SlideShare ist ein Scribd-Unternehmen logo
1 von 27
Downloaden Sie, um offline zu lesen
1 | P a g e E t h i o p i a
Engr Mizanur Rahman. Fabrics Finishing Expert.
MAA Garment & Textiles Factory
(Kebire Enterprises PLC)
PO Box 1976, Quiha, Mekelle, Ethiopia.
Year of 2015-2017
Reporting Date: 5th
September 2017
Mohammad Mizanur Rahman
Fabrics Finishing Expert (Manager)
Cell: +251 962 600 055
Email: mizan5379@yahoo.com
Skype: mizan_mehben
2 | P a g e E t h i o p i a
Engr Mizanur Rahman. Fabrics Finishing Expert.
Basic information of Reporter:-
1. Qualification –
A. SSC (Science)- 1st Class
B. HSC (Science)- 1st Class
C. Diploma in Textile Engineering (Textile Chemistry)- 1st Class
D. BSS (Political Science)- 2nd Class
E. B Sc in Textile Engineering (Textile Chemistry)- GPA-3.05 out of 4
F. MBA (Management)- 2nd year Study
2. Working Skills: Top of the Ten in the Bangladesh this three Factory
& Modern Technology with software basis,
A. Fakir knitwear’s Ltd
Asst Manager (Dyeing & Finishing)
Working duration: 9 years
Capacity: 45 tons
Machines: Dyeing- Thies, Fongs, Acme, PMM,
Finishing- Bruckner, ACC, Lafer, Ferraro
Brush, Peach Finish, Sharing, Shinging M/c Available
B. Epyllion Knitex Ltd
Manager (Finishing & Quality)
Working duration: 3 years
Capacity: 35 tons
Machines: Dyeing- Thies, Canlar, TDM
Finishing- LK&LH, Monforts, ACC, Tubetex, Ferraro, Lafer,
Suntex, Corino,
Brush, Peach Finish, Sharing, Shinging M/c Available
C. Chaity Composite Ltd
Senior Manager (Fabrics Finishing)
Working duration: 5 years
Capacity: 45 tons
Machines: Dyeing- Then, Thies
Finishing- Bruckner, LK&LH, Ferraro
Brush, Peach Finish, Sharing, Combing, Tumble dryer M/c
3 | P a g e E t h i o p i a
Engr Mizanur Rahman. Fabrics Finishing Expert.
Selection for Ethiopia:
DBL Group (Bangladesh)
(Top of the ten in Bangladesh)
4 | P a g e E t h i o p i a
Engr Mizanur Rahman. Fabrics Finishing Expert.
Follow up report:
 Knitting
 Batch Preparation
 Dyeing
 Fabrics Finishing
 Fabrics Quality
 Cutting
 Sample
5 | P a g e E t h i o p i a
Engr Mizanur Rahman. Fabrics Finishing Expert.
 Follow up report of Knitting:
A. Count Selection
B. Drop Needle/ Stitch
C. Barriness/ Patta
D. Broken Ends
E. Yarn Missing
F. Count Maxing
G. Jumping
H. Contamination
I. Lycra Missing
J. Oil Line/Stain
K. M/c Dia selection
L. Stitch length
M. Folder/ Dia Mark
N. Yarn Streaks
O. Sinker Line
P. Pin Hole/Knitting Hole
Q. Spirality
 Follow up report of Batch Preparation:
A. Lot Maxing
B. Dia Maxing
C. Wrong information
D. Weight Not right
E. Proper Stitch
F. Follow Needle drop/Slitting Mark
Note: About the mansion that is
common problems in textile sector,
so we mansion also how to solve
easily.
6 | P a g e E t h i o p i a
Engr Mizanur Rahman. Fabrics Finishing Expert.
 Follow up report of Dyeing:
A. Wrong Shade unload
B. Uneven
C. Dark Mark
D. Dyeing patches
E. Running shade/ Shade Variation
F. Roll to Roll Shade Variation
G. Tonal Variation/ Batch to Batch Variation
H. Body to Rib not Match
I. Crease / Rope Mark
J. Hole
K. Color fastness
L. Rubbing
M. Surface Hairiness
N. Entanglement
O. GSM Effect
P. Curling
Q.Strength Less/ fabrics Damage
 Follow up report of Fabrics Finishing:
A. Wrong Slitting
B. Crease Mark
C. Width Variation
D. Middle Loose
E. Pin Hole in selvedge
F. Hole
G. White Mark
H. Softener Mark
I. Shrinkage
J. Spirality
K. Skewing
L. Dirty Spots
M. GSM Variation with in roll
N. Shade Variation
O. Bowing
7 | P a g e E t h i o p i a
Engr Mizanur Rahman. Fabrics Finishing Expert.
P. Elephants Skin
Q. Lycra Fabrics
i. GSM Variation with in roll
ii. Within roll 1st & last GSM variation
iii. GSM low after dyeing
iv. Roll to roll GSM variation
v. GSM up down after Finish
R. Stenter M/c Speed
 Follow up report of Fabrics Quality:
A. Inspection Reports
B. Dirty Spots
C. Hole
D. Running Shade
E. Online inspection
F. Off Line inspection
G. Grouping Delivery
H. County wise delivery
 Follow up report of Cutting:
A. QC reports follow
B. Group pattern
C. Wastage reduce
D. Width wise marker
8 | P a g e E t h i o p i a
Engr Mizanur Rahman. Fabrics Finishing Expert.
Defect, Causes & Remedies:-
1. Crease Mark:
A. Causes:
i. From Padder (If proper not open uncurler Roller)
ii. Pin out from stenter m/c
iii. If not use leading cloth in time in stenter m/c rather than ropes
iv. From Dyeing (If ropes stage dyeing)
v. High Yarn Tension & More tied Knitting
vi. If edges not proper stitch and knots pass from corino
B. Remedies:
i. Slitting, Stenter & Compacting starting time reject fabrics Stitch.
ii. Operator all time actively follow up
iii. Dyeing time up to mark use Anti-Creasing Agent
iv. Yarn tension less from knitting
2. Width Variation.
A. Causes:
i. Stenter M/c setup change within one batch
ii. Grey fabric of the same lot, knitted on different makes of Knitting
Machines, having varying number of Needles in the Cylinder.
iii. Pin selvedge controller auto not proper work
iv. If not proper stitch before stenter m/c
B. Remedies:
i. Same setup width Full batch Finish
ii. The whole lot of the grey fabric should be knitted on the same
make of knitting machines
iii. selvedge controller should work auto
iv. proper stitch each rolls
v. Stenter m/c running time must be actively work
9 | P a g e E t h i o p i a
Engr Mizanur Rahman. Fabrics Finishing Expert.
3. Wrong Slitting.
A. Causes-
i. If auto cutter sensor not proper work
ii. Proper Not sewing
iii. If drop needle not visible
iv. Operator not active
B. Remedies-
i. Auto cutter sensor should be in proper Working condition
ii. Proper Stitching with drop needle
iii. Operator carefully M/c operating
4. Folder/ Dia Mark.
A. Causes-
i. Mainly Lycra & High GSM fabrics
ii. High pressure of the fabric Take Down rollers of the Knitting machine
on the grey fabric is one of the main causes
B. Remedies-
i. Adjust the gap between the two rolls as per the thickness of the
fabric sheet
ii. Fabrics cutting/open from knitting (option)
iii. After knitting fabrics keeping relax stage
5. Middle Fabric Loose.
A. Causes-
i. If actual width not finish
ii. Adjust Fan pressure bottom and top
iii. Delivery tension not adjusted
B. Remedies-
i. Should be Actual with finish
ii. Adjusted delivery tension
10 | P a g e E t h i o p i a
Engr Mizanur Rahman. Fabrics Finishing Expert.
6. Pin Hole in selvedge.
A. Causes-
i. Selvedge Auto controller not proper work
ii. Operator not active
iii. Needle ledge (pins) damage
B. Remedies-
i. Selvedge Auto controller proper work
ii. Operator carefully M/c operating
iii. Needle ledges should be inspected regularly and replace if
damage
7. Hole (GSM & Shade Check)
A. Causes-
i. More cutting for GSM & Shade samples
ii. Chemical dosing not proper (Peroxide & Caustic)
iii. More Enzyme
iv. Operator not active
B. Remedies-
i. Near of sewing GSM & Shade cutting
ii. Every step check pH & Control
iii. Proper chemical dosing
8. Pin hole/Knitting Hole
A. Causes-
i. Uneven yarn/ More Thick & Thin
ii. More Naps
iii. Uneven twist
iv. TPI less from Standard
v. Knitting m/c not properly clean
vi. M/c speed more from standard
vii. Brocken needle
viii. Uneven tension
B. Remedies-
i. Control Thick & Thin
ii. Even twist
iii. Make standard TPI
iv. Knitting m/c properly Clean
11 | P a g e E t h i o p i a
Engr Mizanur Rahman. Fabrics Finishing Expert.
v. Speed control
vi. Check Brocken Needle
9. Hole from dyeing
A. Causes-
i. Improper Caustic solution/ dosing
ii. H2O2 improper dosing
iii. In bath more time keeping
B. Remedies-
i. Properly solution & time dosing
ii. In bath not keep more time
iii. pH control
iv. H2O2 properly dosing
10.Shrinkage.
A. Causes-
i. If Actual width not finish
ii. High Stresses & strains exerted on the fabric, during Knitting, Dyeing
&Processing & the fabric not being allowed to relax properly
iii. Not Proper Count Use
iv. Not Right Stitch Length
v. Tension on fabric during finishing
B. Remedies-
i. Should be Actual width finish
ii. Give maximum overfeed to the fabric, during the processing, on the
Stenter,& Compactor
iii. Proper Count Use
iv. Right Stitch Length
v. Minimize tension during processes (corino, stenter)
11.Spirality.
A. Causes-
i. Need proper Angle.
ii. Appropriate Yarn TPI/ High TPI. of the Yarn
iii. Knitting more feeder use
iv. Uneven Fabric tension on the Knitting machine
v. Unequal rate of Fabric feed on the Stenter & Compactor
vi. If not actual width finish
12 | P a g e E t h i o p i a
Engr Mizanur Rahman. Fabrics Finishing Expert.
B. Remedies-
i. Auto use Weft straightener (Mahlo)
ii. Use the yarns of the recommended TPI level for Knitting
iii. Ensure uniform rate of feed of the dyed fabric on both the edges
while feeding the fabric to the Stenter & Compactor machines
iv. Actual width finish
v. Knitting feeder use less
12.M/c down time. (Finishing)
A. Causes-
i. Color wise not setup
ii. Clean time take more time
iii. If before stenter not proper prepare batch
B. Remedies-
i. Color wise batch setup
ii. Batch to batch prepare before end the batch
iii. Maximum people engage people
13.White Mark.
A. Causes-
i. If any friction.
ii. After slitting if selvedge dry.
iii. If not proper wash in dyeing.
iv. pH not control
v. Hard water / More iron in water
vi. Soda Effect
vii. Salt effect
B. Remedies-
I. After slitting urgently dry
II. pH proper control
III. proper wash in dyeing
IV. Control water hardness
14.Dirty Spot.
A. Causes-
i. Before unload from dyeing m/c trolley not properly clean
ii. M/c properly not clean (slitting, stenter, compactor)
iii. Fabrics handle not carefully
13 | P a g e E t h i o p i a
Engr Mizanur Rahman. Fabrics Finishing Expert.
B. Remedies-
i. Trolley should be clean before unload
ii. Fabrics handle carefully
iii. M/c properly clean
15.Color Variation in Finishing.
A. Causes-
i. Stenter M/c not same speed runs
ii. If Suddenly m/c Stop
iii. Squeeze Roller Pick up % side to side Different
iv. If Stenter m/c side to side Temperature Difference
v. Stenter m/c Circulation not proper
B. Remedies-
i. Should be m/c run same speed
ii. Stenter m/c Circulation proper
iii. Check pickup %
16.Color Variation from Dyeing.
A. Causes-
i. Not Proper color dosing
ii. Wrong Dyes Selection
iii. Color Combination wrong
iv. Pre-treatment not good/ Absorbency not good
v. Entanglement in Machine
vi. pH not control
vii. Nozzle to nozzle length Variation
B. Remedies-
i. Proper color dosing
ii. pH control
iii. Rope length same every nozzle
iv. Real Speed should be same
14 | P a g e E t h i o p i a
Engr Mizanur Rahman. Fabrics Finishing Expert.
17.Drop Stitches (Holes):
A. Causes-
i. High Yarn Tension
ii. Yarn Overfeed or Underfeed
iii. High Fabric Take Down Tension
iv. Defects like Slubs, Naps, and Knots etc.
v. Incorrect gap between the Dial & Cylinder rings.
B. Remedies-
i. Ensure uniform yarn tension on all the feeders with a Tension
Meter.
ii. Rate of yarn feed should be strictly regulated as per the required
Stitch Length.
iii. The fabric tube should be just like a fully inflated balloon, not too
tight or too slack.
iv. The yarn being used should have no imperfections like; Slubs,
Naps & big knots etc.
v. The gap between the Cylinder & the Dial should be correctly
adjusted as per the knitted loop size.
18.Barriness /Patta/ Yarn Variation-
A. Causes-
i. High Yarn Tension
ii. Count Variation
iii. Mixing of the yarn lots
iv. Package hardness variation
B. Remedies-
i. Ensure uniform Yarn Tension on all the feeders
ii. The average Count variation in the lot should not be more than
+ 0.3
iii. Ensure that the yarn being used for Knitting is of the same Lot.
iv. Ensure that the hardness of all the yarn packages is uniform using
a hardness tester.
15 | P a g e E t h i o p i a
Engr Mizanur Rahman. Fabrics Finishing Expert.
19.Contamination:
A. Causes-
i. Presence of dead fibers & other foreign materials, such as; dyed
fibers, husk &synthetic fibers etc.
ii. Dyed & other types of fibers flying from the adjacent Knitting
machines cling to the yarn being used for knitting & get
embedded in the Grey Fabric.
B. Remedies-
i. Use rich fiber mixing for the yarns to be used for knitting in order
to have less dead fibers appearing in the fabric.
ii. Rigid control measures in the Blow Room to prevent the mixing of
foreign matters in the Cotton mixing
iii. Segregate the Spinning & Knitting Machines, with Plastic Curtains
or Mosquito
iv. Nets, to prevent the fibers flying from the neighboring machines,
from getting embedded in the yarn / fabric.
20.Needle Line:
A. Causes-
i. Bent Latches, Needle Hooks & Needle stems
ii. Wrong Needle selection (Wrong sequence of needles, put in the
Cylinder or Dial)
B. Remedies-
i. Inspect the grey fabric on the knitting machine for any Needle
lines
ii. Check the Needle filling sequence in the Cylinder / Dial grooves
(tricks).
21.Broken Needles/ Laddering:
A. Causes-
i. High Yarn Tension
ii. Bad Setting of the Yarn Feeders
iii. Old & Worn out Needle set
iv. Cylinder Grooves are too tight restricting needle movement
v. Breakage of hook or butt in needle.
B. Remedies-
16 | P a g e E t h i o p i a
Engr Mizanur Rahman. Fabrics Finishing Expert.
i. Ensure uniform & the right Yarn tension on all the feeders.
ii. Keep the recommended gap between the Yarn Feeders & the
Needles.
iii. Periodically change the complete set of needles.
iv. Remove fly or blockage from groove.
v. Replace defective needle.
22.Sinker Line:
A. Causes-
i. Bent or Worn out Sinkers
ii. Sinkers being tight in the Sinker Ring grooves
B. Remedies-
i. Replace all the worn out or bent sinkers causing Sinker lines in the
fabric.
ii. Sinker lines are very fine & feeble vertical lines appearing in the
fabric
iii. Remove the fibers clogging the Sinker tricks
23.Oil Line/Stain:
A. Causes-
i. Fibers & fluff accumulated in the needle tricks which remain
soaked with oil.
ii. Excessive oiling of the needle beds.
B. Remedies-
i. Fibers accumulated in the needle tricks cause the oil to seep into
the Fabric
ii. Some lubricating oils are not washable & cannot be removed
during Scouring
iii. Remove all the Needles & the Sinkers of the machine
periodically
iv. Clean the grooves of the Cylinder & Dial of the machine
thoroughly with petrol.
v. Blow the grooves of the Cylinder Dial & Sinker ring with dry air
after cleaning.
17 | P a g e E t h i o p i a
Engr Mizanur Rahman. Fabrics Finishing Expert.
24.Broken Ends:
A. Causes-
i. High Yarn Tension
ii. Yarn exhausted on the Cones.
B. Remedies-
i. Ensure correct yarn tension on all the feeders.
ii. Ensure that the Yarn detectors on all the feeders are working
properly.
iii. Depute a skilled & alert machine operator on the knitting
machine.
25.Yarn Variation:
A. Causes-
i. Yarn lot mix-up
ii. Count mix-up
iii. Tension variation
B. Remedies-
i. Conform yarn lot & Count
ii. Every Feeder should be same tension
26.Bowing:
A. Causes-
i. Uneven distribution of tensions across the fabric width while
dyeing or finishing the fabric.
B. Remedies-
i. Bowing can be corrected by reprocessing the fabric by feeding
it from the opposite end.
ii. A special machine (MAHLO) is also available for correcting the
bowing in the knitted fabrics.
27.Dyeing Patches:
A. Causes-
i. Inadequate Scouring of the grey fabric is one of the primary
causes of the dyeing patches.
ii. Improper leveling agent is also one of the causes of dyeing
patches.
iii. Correct pH value not maintained.
18 | P a g e E t h i o p i a
Engr Mizanur Rahman. Fabrics Finishing Expert.
iv. Dyeing machine stoppage due to power failure or the fabric
entanglement in the dyeing machine is a major cause of the
dyeing patches.
B. Remedies-
i. Scour the grey fabric thoroughly to remove all the impurities from
the fabric before dyeing
ii. Use appropriate leveling agents to prevent patchy dyeing.
iii. Maintain the correct pH value during the course of dyeing.
iv. Use a power back up (Inverter) for the dyeing operation to be
completed uninterrupted.
28.Softener Mark:
A. Causes-
i. Softener not being uniformly dissolved in water
ii. If pH not control
B. Remedies-
i. Scour the grey fabric thoroughly to remove all the impurities from
the fabric before dying.
ii. Ensure that the softener is uniformly dissolved in the water &
doesn’t remain dissolved as lumps or suspension
iii. Use the right softener & the correct procedure for the
application.
iv. Maintain the correct pH value of the softener before
application.
29.Stains:
A. Causes-
i. Dyeing Machine not cleaned thoroughly after dyeing a lot.
ii. Grease & Oil stains from the unguarded moving machine parts
like; Gears Shafts Driving Pulleys & Trolley wheels etc.
iii. Fabric touching the floors & other soiled places during
transportation, in the rolleys.
iv. Handling of the fabric with soiled hands & stepping onto the
stored fabric with dirty feet or shoes on.
19 | P a g e E t h i o p i a
Engr Mizanur Rahman. Fabrics Finishing Expert.
B. Remedies-
i. Wash & clean the dyeing machine thoroughly after dyeing every
dye lot.
ii. Follow the dyeing cycle of Light- Medium- Dark shades & then
the reverse the cycle while dyeing the fabric
iii. All the lubricated moving machine parts should be protected
with safety guards
iv. Make sure that the fabric is neatly packed in or covered with
Polythene sheets while transporting or in storage.
v. Handle the fabric carefully with clean hands & do not let
anyone step onto the stored fabric.
30.Poor Color Fastness:
A. Causes-
i. Dyeing recipe i.e. the poor fixing of the dyes is a major cause of
color fading.
ii. Using the wrong combination of colors in a secondary or tertiary
shade.
iii. Use of strong detergents & the quality of water are also the
common causes for color fading
iv. Prolonged exposure to strong light will also cause the colors to
fade.
v. High level of acidity or alkalinity in the perspiration of individuals
also causes color fading.
B. Remedies-
i. Use the correct dyeing recipe i.e. the appropriate leveling, fixing
agents & the correct combination of dyes.
ii. Follow the wash care instructions rigidly.
iii. Use mild detergents & soft water for washing the garments
iv. Don’t soak the garments for more than 10- 15 minutes in the
detergent prior to washing
v. Turn the wet garments inside out while drying.
vi. Dry in shade & not in direct sunlight.
vii. Protect the garments against prolonged direct exposure to
strong lights (showrooms or exhibitions etc.
20 | P a g e E t h i o p i a
Engr Mizanur Rahman. Fabrics Finishing Expert.
31.Shade Variation:
A. Causes-
i. Shade variation can be as a result of mixing of the, fabrics of two
different lots.
ii. Shade variation is also caused, by the variation in the process
parameters i.e. Time, Temperature & Speed etc. from one fabric
roll, to the other.
iii. Shade variation can appear to be, in fabrics with GSM variation,
caused due to the uneven stretching, unequal fabric overfeed
% etc.
B. Remedies-
i. Ensure that the grey fabric used for one shade is knitted from the
same lot of the yarn.
ii. Ensure that the same process parameters (Width, Overfeed,
Temperature &Machine Speed etc.) are used for each roll of a
Dye lot.
32.Tonal Variation:
A. Causes-
i. Wrong Dyeing recipe
ii. Wrong leveling agent selection or wrong dyes combinations
iii. Improper fabric Scouring
iv. Impurities like Oil & Wax etc. not being completely removed in
Scouring
v. Level dyeing not being done due to the inappropriate leveling
agents
vi. Variation in the process parameters, e.g. Temperature, Time &
Speed etc.
B. Remedies-
i. Use appropriate leveling agents to ensure uniform & level dyeing
ii. Scour the grey fabric thoroughly to ensure the removal of all the
impurities.
iii. Ensure that the whole lot of the dyed fabric is processed under
uniform process parameters.
21 | P a g e E t h i o p i a
Engr Mizanur Rahman. Fabrics Finishing Expert.
33.GSM Variation :
A. Causes-
i. Roll to roll variation in the, process parameters, of the fabric, like;
Overfeed &Width wise stretching of the dyed fabric, on the
Stenter & Compactor Machine.
ii. Roll to roll variation in the fabric stitch length.
B. Remedies-
i. Make sure that all the fabric rolls in a lot, are processed under
the same process parameters.
ii. The Knitting Machine settings, like; the Quality Pulley diameter
etc. should never be disturbed.
34.Dark Mark:
A. Causes-
i. Mainly crease mark is the dark Color fabrics showing dark line.
ii. Dark Shade mainly showing
iii. If not properly use anti Creasing & Wetting agent.
iv. If fabrics not properly open stage in the dyeing nozzle.
v. Rope stage in dyeing.
B. Remedies-
i. Up to mark use anti crease & wetting agent.
ii. Ensure the open stage dyeing & not rope.
35.Elephants Skin:
A. Causes-
i. Mainly coming from compactor machine.
ii. If over compaction.
iii. If taplon/ Glass fiber not proper setting
B. Remedies--
i. Before compactor m/c run then everything checks.
ii. Up to mark feed the over feed.
iii. Taplon/ Glass fiber properly set.
iv. Again compactor under overfeed.
22 | P a g e E t h i o p i a
Engr Mizanur Rahman. Fabrics Finishing Expert.
36.Carling:
A. Causes-
i. Mainly that type of problem in dyeing.
ii. If not grading temperature up down.
iii. Mainly CVC & PC fabrics, Polyester fabrics that happen.
B. Remedies-
i. Proper grading system follows.
ii. Again dyeing load & grading maintain
iii. High temperature Finish
iv. Minimum overfeed finishing time.
37.Running Shade/ Meter to meter Variation:
A. Causes-
i. Not properly color dosing
ii. Not properly wash
iii. Pretreatment not good
B. Remedies-
i. After Pretreatment check, absorbency check
ii. After treatment need to good
iii. Up to mark use anti crease & wetting agent.
38.GSM Effect from Dyeing:
A. Causes-
i. If yarn quality not good.
ii. More Enzymes.
iii. Long time dyeing
iv. Reprocess
B. Remedies-
i. Hardly try for one time dyeing
ii. About reprocess
iii. Enzyme up to mark
39. Rubbing Problem:
A. Causes-
i. Dyes not good
ii. Yarn not good
iii. After dyeing not good wash
iv. Enzyme dust in the fabrics
23 | P a g e E t h i o p i a
Engr Mizanur Rahman. Fabrics Finishing Expert.
B. Remedies-
i. Good band dyes use
ii. Quality yarn use
iii. Good after treatment
iv. Hydrophilic softener use
40.Body to Rib Not Match:
A. Causes-
i. Yarn lot not same
ii. Yarn count not same
iii. Dyeing Ratio not accurate
iv. If rib separate one nozzle in dyeing
B. Remedies-
i. Must be Yarn lot & Count same
ii. Every nozzle fabrics ratio same
iii. Separate dyeing & Match body
41.Entanglements –
A. Causes-
i. Liquor Ratio More
ii. More Fabrics Loaded
iii. Unbalances Fabrics Loaded
iv. Nozzle to Nozzle Real speed Difference
v. Nozzle Gap & With knots use
vi. More Foam
B. Remedies-
i. Liquor Ratio As required
ii. Up to mark fabrics Loaded with balances Every nozzle
iii. Nozzle gap as fabrics GSM wise
iv. Roll to roll Joint with sewing
v. Anti-foam use
24 | P a g e E t h i o p i a
Engr Mizanur Rahman. Fabrics Finishing Expert.
42. Stenter M/c Speed-
A. Causes-
i. Deffand of Fabrics Types
ii. Color Shade %
iii. Shade Adjustment
iv. Moisture Control
v. Filter Not proper Clean
vi. Exhaust need to be adjust
vii. More Overfeed
B. Remedies-
i. Fabrics Type & Color wise Speed adjust
ii. Required wise Moisture adjust
iii. Properly filter Clean
iv. Fabrics Squeezer up to Mark
25 | P a g e E t h i o p i a
Engr Mizanur Rahman. Fabrics Finishing Expert.
Quality Reports
1. Quality Policy:
A. Inspection-( Standard )
i. Grad –A (100% OK fabrics) (Points up to 40)
ii. Grad-B (80% OK Fabrics)(40 to 60 Points)
iii. Grad-C (Return to production)
iv. Grad-R (Reject)(60 up points)
B. Return-(For Re-process)
i. Width variation
ii. GSM Low
iii. GSM High
iv. Elephants Scan/ Crumple mark
v. Crease Mark
vi. Color Spot
vii. Hairiness
viii. Running shade
C. Reject-
i. Barriness/ Patta/ Yarn Variation
ii. Needle drop / Wrong Slitting
iii. Thick & Thin
iv. Lycra out
D. GSM Check
i. Near of Stitch
ii. Within one meter
iii. GSM average Required
iv. GSM less than 5 to 7% in fabrics stages
E. Shade Check
i. Near of Stitch
ii. Within one meter
iii. Running shade check
v. Tolerance’s Group A & B
vi. Group wise Cutting to Packing separate
vii. Shade Compare with Spectrophotometer/ grey Scales
26 | P a g e E t h i o p i a
Engr Mizanur Rahman. Fabrics Finishing Expert.
Sample Make & Submit
2. Sample Policy:
A. Knitting
i. Proper Count use
ii. Proper Stitch Length
iii. Dia & Gauge Select
B. Dyeing
i. Branded Dyes & Chemical use
ii. Proper wash
iii. Enzyme
iv. Good Hand Feel
v. Fastness
vi. Rubbing
vii. Light Fastness
viii. pH Control
C. Finishing
i. Shrinkage Control
ii. Spirality Control
iii. GSM Control
iv. Bowing /Angle
D. Quality Check
i. Wash Fastness
ii. Shrinkage & Spirality
iii. GSM
iv. Hairiness
v. pH Check
vi. Buyer Requirement
E. Cutting
i. Pattern Adjust against of Shrinkage
ii. Before cutting need steam iron
iii. After Sewing need tumble than steam iron
27 | P a g e E t h i o p i a
Engr Mizanur Rahman. Fabrics Finishing Expert.
F. Tasting
i. Test of Garments Stage
ii. Again Lab test before delivery to Customer
iii. Keep Every Test Report
G. Submit
i. Cross check & Conform Everything ok
ii. Two picas Sample Keep in store for References
Note: After sample submit If any problem fully take Responsibility Sample
department because should be everything Re-Check before submit If Result ok
then Send to Buyer, Otherwise correction in department because Tasting Cost is
so much High also time bindings from Customer.
Suggestions:
1. Proper follow-up for every instruction given
2. Database development for all articles in order to avoid batch to batch
setting change
3. Proper information should be in the order sheet/ Planning sheet (Yarn
Count, knitting m/c Dia, Gauge, Stitch Length & Required width, GSM)
4. Before start knitting production must be conform from fabrics finishing
department width & GSM/ Make sample
5. Proper count use according to the Finish fabric requirement
6. All Pique Fabrics should be knitting m/c Dia 30” & Gauge 24 instant of 34”
7. Make availability of all the required spares
8. Need Proper training operators & Workers
9. Fabrics Quality Check need to policy change
10.Dyeing Batch Card/Information Card should be fulfil every requirement
11.Rejection Percentage more than 5% Re-check by senior person
Thanks

Weitere ähnliche Inhalte

Was ist angesagt?

Garments & garment defects zubair lahore
Garments & garment defects zubair lahoreGarments & garment defects zubair lahore
Garments & garment defects zubair lahorezubairtex90
 
4 point system for Fabric Inspection
4 point system for Fabric Inspection4 point system for Fabric Inspection
4 point system for Fabric InspectionRaNa ALi HaiDer
 
Needle broken procedure sample
Needle broken procedure sampleNeedle broken procedure sample
Needle broken procedure sampleKien Ly
 
Defects of garment(print, fabric & sewing)
Defects of garment(print, fabric & sewing)Defects of garment(print, fabric & sewing)
Defects of garment(print, fabric & sewing)Rupak Barua,
 
Stenter machine process
Stenter machine processStenter machine process
Stenter machine processJayed Hassan
 
An investigation on the inspection of grey & finished knit fabric in wet proc...
An investigation on the inspection of grey & finished knit fabric in wet proc...An investigation on the inspection of grey & finished knit fabric in wet proc...
An investigation on the inspection of grey & finished knit fabric in wet proc...Md. Mazadul Hasan Shishir
 
4-Point-Fabric-Inspection
4-Point-Fabric-Inspection4-Point-Fabric-Inspection
4-Point-Fabric-InspectionHu Horace
 
Production Process of garments industry (knitwear)
Production Process of garments industry (knitwear)Production Process of garments industry (knitwear)
Production Process of garments industry (knitwear)Muzammel Hossain Ananda
 
Seams And Stitching Problems And Causes
Seams And Stitching Problems And CausesSeams And Stitching Problems And Causes
Seams And Stitching Problems And Causesg l
 
Yarn manufacturing (yarn faults)
Yarn manufacturing (yarn faults)Yarn manufacturing (yarn faults)
Yarn manufacturing (yarn faults)Asif Ahmed TONMOY
 
Thread And Seam Construction
Thread And Seam ConstructionThread And Seam Construction
Thread And Seam ConstructionMackenzie Walton
 
Uster evenness tester
Uster evenness testerUster evenness tester
Uster evenness testerpollobks
 
Fabric relaxation procedure
Fabric relaxation procedureFabric relaxation procedure
Fabric relaxation procedureMazharul Islam
 

Was ist angesagt? (20)

Sop (stenter)
Sop (stenter)Sop (stenter)
Sop (stenter)
 
Training
TrainingTraining
Training
 
Garments & garment defects zubair lahore
Garments & garment defects zubair lahoreGarments & garment defects zubair lahore
Garments & garment defects zubair lahore
 
4 point system for Fabric Inspection
4 point system for Fabric Inspection4 point system for Fabric Inspection
4 point system for Fabric Inspection
 
Needle broken procedure sample
Needle broken procedure sampleNeedle broken procedure sample
Needle broken procedure sample
 
Dyeing machine
Dyeing machineDyeing machine
Dyeing machine
 
Defects of garment(print, fabric & sewing)
Defects of garment(print, fabric & sewing)Defects of garment(print, fabric & sewing)
Defects of garment(print, fabric & sewing)
 
Stenter machine process
Stenter machine processStenter machine process
Stenter machine process
 
An investigation on the inspection of grey & finished knit fabric in wet proc...
An investigation on the inspection of grey & finished knit fabric in wet proc...An investigation on the inspection of grey & finished knit fabric in wet proc...
An investigation on the inspection of grey & finished knit fabric in wet proc...
 
4-Point-Fabric-Inspection
4-Point-Fabric-Inspection4-Point-Fabric-Inspection
4-Point-Fabric-Inspection
 
Production Process of garments industry (knitwear)
Production Process of garments industry (knitwear)Production Process of garments industry (knitwear)
Production Process of garments industry (knitwear)
 
Seams And Stitching Problems And Causes
Seams And Stitching Problems And CausesSeams And Stitching Problems And Causes
Seams And Stitching Problems And Causes
 
Presentation on cutting section
Presentation on cutting sectionPresentation on cutting section
Presentation on cutting section
 
Yarn manufacturing (yarn faults)
Yarn manufacturing (yarn faults)Yarn manufacturing (yarn faults)
Yarn manufacturing (yarn faults)
 
4 point system
4 point system4 point system
4 point system
 
Thread And Seam Construction
Thread And Seam ConstructionThread And Seam Construction
Thread And Seam Construction
 
Garment washing
Garment washingGarment washing
Garment washing
 
Stich n sesm types with description
Stich n sesm types with descriptionStich n sesm types with description
Stich n sesm types with description
 
Uster evenness tester
Uster evenness testerUster evenness tester
Uster evenness tester
 
Fabric relaxation procedure
Fabric relaxation procedureFabric relaxation procedure
Fabric relaxation procedure
 

Ähnlich wie Problems analyes & corrective action

Trining for quality improvement
Trining  for quality improvementTrining  for quality improvement
Trining for quality improvementMizan Rahman
 
Trining for quality improvement
Trining  for quality improvementTrining  for quality improvement
Trining for quality improvementMizan Rahman
 
Fabric wastage and sewing fault analysis
Fabric wastage and sewing fault analysisFabric wastage and sewing fault analysis
Fabric wastage and sewing fault analysisRumman Samrat
 
Fundamentals of denim & faults in rope dyeing
Fundamentals of denim & faults in rope dyeingFundamentals of denim & faults in rope dyeing
Fundamentals of denim & faults in rope dyeingMd. Mazadul Hasan Shishir
 
Industrial Attachment of Square Knit Fabrics Limited by Milon, Mamun ,Plabon ...
Industrial Attachment of Square Knit Fabrics Limited by Milon, Mamun ,Plabon ...Industrial Attachment of Square Knit Fabrics Limited by Milon, Mamun ,Plabon ...
Industrial Attachment of Square Knit Fabrics Limited by Milon, Mamun ,Plabon ...Bangladesh University of Textiles (BUTEX)
 
Internship presentation in knit composite garments
Internship presentation in knit composite garmentsInternship presentation in knit composite garments
Internship presentation in knit composite garmentsNoorul Islam Saiful
 
Training for operatore of finishing
Training for operatore of finishingTraining for operatore of finishing
Training for operatore of finishingMizan Rahman
 
He module 5
He module 5He module 5
He module 5none
 
Production and Faults in Cutting, Sewing & Finishing in a Knit Garment Industry
Production and Faults in Cutting, Sewing & Finishing in a Knit Garment IndustryProduction and Faults in Cutting, Sewing & Finishing in a Knit Garment Industry
Production and Faults in Cutting, Sewing & Finishing in a Knit Garment IndustryMd.Abdullah Al Faruk
 
Training for quality in chaity
Training for quality in chaityTraining for quality in chaity
Training for quality in chaityMizan Rahman
 
faults of fabric woven and knitting
faults of fabric woven and knittingfaults of fabric woven and knitting
faults of fabric woven and knittingOmar Faruk
 
Auro textile Trainning report
Auro textile Trainning reportAuro textile Trainning report
Auro textile Trainning reportJAGMOHAN Raj
 
He module 6
He module 6He module 6
He module 6none
 

Ähnlich wie Problems analyes & corrective action (20)

Trining for quality improvement
Trining  for quality improvementTrining  for quality improvement
Trining for quality improvement
 
Trining for quality improvement
Trining  for quality improvementTrining  for quality improvement
Trining for quality improvement
 
Fabric wastage and sewing fault analysis
Fabric wastage and sewing fault analysisFabric wastage and sewing fault analysis
Fabric wastage and sewing fault analysis
 
Fundamentals of denim & faults in rope dyeing
Fundamentals of denim & faults in rope dyeingFundamentals of denim & faults in rope dyeing
Fundamentals of denim & faults in rope dyeing
 
Industrial Attachment of Square Knit Fabrics Limited by Milon, Mamun ,Plabon ...
Industrial Attachment of Square Knit Fabrics Limited by Milon, Mamun ,Plabon ...Industrial Attachment of Square Knit Fabrics Limited by Milon, Mamun ,Plabon ...
Industrial Attachment of Square Knit Fabrics Limited by Milon, Mamun ,Plabon ...
 
Different faults of fabric
Different faults of fabricDifferent faults of fabric
Different faults of fabric
 
Internship presentation in knit composite garments
Internship presentation in knit composite garmentsInternship presentation in knit composite garments
Internship presentation in knit composite garments
 
Training for operatore of finishing
Training for operatore of finishingTraining for operatore of finishing
Training for operatore of finishing
 
FINISHING
FINISHINGFINISHING
FINISHING
 
QC in Fabric.pptx
QC in Fabric.pptxQC in Fabric.pptx
QC in Fabric.pptx
 
He module 5
He module 5He module 5
He module 5
 
Production and Faults in Cutting, Sewing & Finishing in a Knit Garment Industry
Production and Faults in Cutting, Sewing & Finishing in a Knit Garment IndustryProduction and Faults in Cutting, Sewing & Finishing in a Knit Garment Industry
Production and Faults in Cutting, Sewing & Finishing in a Knit Garment Industry
 
Different faults of fabric
Different faults of fabricDifferent faults of fabric
Different faults of fabric
 
Training for quality in chaity
Training for quality in chaityTraining for quality in chaity
Training for quality in chaity
 
faults of fabric woven and knitting
faults of fabric woven and knittingfaults of fabric woven and knitting
faults of fabric woven and knitting
 
INDUSTRIAL ATTACHMENT OF GTA SPORTS LTD
INDUSTRIAL ATTACHMENT OF GTA SPORTS LTD INDUSTRIAL ATTACHMENT OF GTA SPORTS LTD
INDUSTRIAL ATTACHMENT OF GTA SPORTS LTD
 
Industrial Attachment of GTA Sports Ltd.
Industrial Attachment of GTA Sports Ltd. Industrial Attachment of GTA Sports Ltd.
Industrial Attachment of GTA Sports Ltd.
 
Auro textile Trainning report
Auro textile Trainning reportAuro textile Trainning report
Auro textile Trainning report
 
Problems analyses
Problems analysesProblems analyses
Problems analyses
 
He module 6
He module 6He module 6
He module 6
 

Mehr von Mizan Rahman

Fabrics Finishing Manual ( Arkey Knit Dyeing Mills Ltd)
Fabrics Finishing Manual ( Arkey Knit Dyeing Mills Ltd)Fabrics Finishing Manual ( Arkey Knit Dyeing Mills Ltd)
Fabrics Finishing Manual ( Arkey Knit Dyeing Mills Ltd)Mizan Rahman
 
Finishing Manual Chaity Group.pdf
Finishing Manual Chaity Group.pdfFinishing Manual Chaity Group.pdf
Finishing Manual Chaity Group.pdfMizan Rahman
 
Quality Manual Chaity Group.pdf
Quality Manual Chaity Group.pdfQuality Manual Chaity Group.pdf
Quality Manual Chaity Group.pdfMizan Rahman
 
Quality Manual Chaity.pdf
Quality Manual Chaity.pdfQuality Manual Chaity.pdf
Quality Manual Chaity.pdfMizan Rahman
 
Important issue 2023.pdf
Important issue 2023.pdfImportant issue 2023.pdf
Important issue 2023.pdfMizan Rahman
 
Finishing Manual Chaity Group.pdf
Finishing Manual Chaity Group.pdfFinishing Manual Chaity Group.pdf
Finishing Manual Chaity Group.pdfMizan Rahman
 
Quality Manual Chaity Group.pdf
Quality Manual Chaity Group.pdfQuality Manual Chaity Group.pdf
Quality Manual Chaity Group.pdfMizan Rahman
 
Quality Manual Chaity Group.pdf
Quality Manual Chaity Group.pdfQuality Manual Chaity Group.pdf
Quality Manual Chaity Group.pdfMizan Rahman
 
Finishing Manual Chaity Group.pdf
Finishing Manual Chaity Group.pdfFinishing Manual Chaity Group.pdf
Finishing Manual Chaity Group.pdfMizan Rahman
 
Finishing Manual Lithe Group.pdf
Finishing Manual Lithe Group.pdfFinishing Manual Lithe Group.pdf
Finishing Manual Lithe Group.pdfMizan Rahman
 
Finishing Manual Lithe Group.pdf
Finishing Manual Lithe Group.pdfFinishing Manual Lithe Group.pdf
Finishing Manual Lithe Group.pdfMizan Rahman
 
Quality Policy.pdf
Quality Policy.pdfQuality Policy.pdf
Quality Policy.pdfMizan Rahman
 
Finishing SOP Fariha.pdf
Finishing SOP Fariha.pdfFinishing SOP Fariha.pdf
Finishing SOP Fariha.pdfMizan Rahman
 
Finishing Manual Lithe Group.pdf
Finishing Manual Lithe Group.pdfFinishing Manual Lithe Group.pdf
Finishing Manual Lithe Group.pdfMizan Rahman
 
Quality Manual.pdf
Quality Manual.pdfQuality Manual.pdf
Quality Manual.pdfMizan Rahman
 
Finishing question 2020
Finishing  question 2020Finishing  question 2020
Finishing question 2020Mizan Rahman
 
Finishing manual fariha knit
Finishing manual fariha knitFinishing manual fariha knit
Finishing manual fariha knitMizan Rahman
 
Finishing manual fariha knit
Finishing manual fariha knitFinishing manual fariha knit
Finishing manual fariha knitMizan Rahman
 

Mehr von Mizan Rahman (20)

Fabrics Finishing Manual ( Arkey Knit Dyeing Mills Ltd)
Fabrics Finishing Manual ( Arkey Knit Dyeing Mills Ltd)Fabrics Finishing Manual ( Arkey Knit Dyeing Mills Ltd)
Fabrics Finishing Manual ( Arkey Knit Dyeing Mills Ltd)
 
Finishing Manual Chaity Group.pdf
Finishing Manual Chaity Group.pdfFinishing Manual Chaity Group.pdf
Finishing Manual Chaity Group.pdf
 
Quality Manual Chaity Group.pdf
Quality Manual Chaity Group.pdfQuality Manual Chaity Group.pdf
Quality Manual Chaity Group.pdf
 
Quality Manual Chaity.pdf
Quality Manual Chaity.pdfQuality Manual Chaity.pdf
Quality Manual Chaity.pdf
 
Important issue 2023.pdf
Important issue 2023.pdfImportant issue 2023.pdf
Important issue 2023.pdf
 
Finishing Manual Chaity Group.pdf
Finishing Manual Chaity Group.pdfFinishing Manual Chaity Group.pdf
Finishing Manual Chaity Group.pdf
 
Quality Manual Chaity Group.pdf
Quality Manual Chaity Group.pdfQuality Manual Chaity Group.pdf
Quality Manual Chaity Group.pdf
 
Quality Manual Chaity Group.pdf
Quality Manual Chaity Group.pdfQuality Manual Chaity Group.pdf
Quality Manual Chaity Group.pdf
 
Finishing Manual Chaity Group.pdf
Finishing Manual Chaity Group.pdfFinishing Manual Chaity Group.pdf
Finishing Manual Chaity Group.pdf
 
Fleece.pdf
Fleece.pdfFleece.pdf
Fleece.pdf
 
Finishing Manual Lithe Group.pdf
Finishing Manual Lithe Group.pdfFinishing Manual Lithe Group.pdf
Finishing Manual Lithe Group.pdf
 
Finishing Manual Lithe Group.pdf
Finishing Manual Lithe Group.pdfFinishing Manual Lithe Group.pdf
Finishing Manual Lithe Group.pdf
 
Quality Policy.pdf
Quality Policy.pdfQuality Policy.pdf
Quality Policy.pdf
 
Finishing SOP Fariha.pdf
Finishing SOP Fariha.pdfFinishing SOP Fariha.pdf
Finishing SOP Fariha.pdf
 
Finishing Manual Lithe Group.pdf
Finishing Manual Lithe Group.pdfFinishing Manual Lithe Group.pdf
Finishing Manual Lithe Group.pdf
 
Quality Manual.pdf
Quality Manual.pdfQuality Manual.pdf
Quality Manual.pdf
 
Finishing question 2020
Finishing  question 2020Finishing  question 2020
Finishing question 2020
 
Finishing manual fariha knit
Finishing manual fariha knitFinishing manual fariha knit
Finishing manual fariha knit
 
Finishing manual fariha knit
Finishing manual fariha knitFinishing manual fariha knit
Finishing manual fariha knit
 
Training
TrainingTraining
Training
 

Kürzlich hochgeladen

Turn leadership mistakes into a better future.pptx
Turn leadership mistakes into a better future.pptxTurn leadership mistakes into a better future.pptx
Turn leadership mistakes into a better future.pptxStephen Sitton
 
Paper Tube : Shigeru Ban projects and Case Study of Cardboard Cathedral .pdf
Paper Tube : Shigeru Ban projects and Case Study of Cardboard Cathedral .pdfPaper Tube : Shigeru Ban projects and Case Study of Cardboard Cathedral .pdf
Paper Tube : Shigeru Ban projects and Case Study of Cardboard Cathedral .pdfNainaShrivastava14
 
Virtual memory management in Operating System
Virtual memory management in Operating SystemVirtual memory management in Operating System
Virtual memory management in Operating SystemRashmi Bhat
 
DEVICE DRIVERS AND INTERRUPTS SERVICE MECHANISM.pdf
DEVICE DRIVERS AND INTERRUPTS  SERVICE MECHANISM.pdfDEVICE DRIVERS AND INTERRUPTS  SERVICE MECHANISM.pdf
DEVICE DRIVERS AND INTERRUPTS SERVICE MECHANISM.pdfAkritiPradhan2
 
Main Memory Management in Operating System
Main Memory Management in Operating SystemMain Memory Management in Operating System
Main Memory Management in Operating SystemRashmi Bhat
 
Immutable Image-Based Operating Systems - EW2024.pdf
Immutable Image-Based Operating Systems - EW2024.pdfImmutable Image-Based Operating Systems - EW2024.pdf
Immutable Image-Based Operating Systems - EW2024.pdfDrew Moseley
 
TEST CASE GENERATION GENERATION BLOCK BOX APPROACH
TEST CASE GENERATION GENERATION BLOCK BOX APPROACHTEST CASE GENERATION GENERATION BLOCK BOX APPROACH
TEST CASE GENERATION GENERATION BLOCK BOX APPROACHSneha Padhiar
 
THE SENDAI FRAMEWORK FOR DISASTER RISK REDUCTION
THE SENDAI FRAMEWORK FOR DISASTER RISK REDUCTIONTHE SENDAI FRAMEWORK FOR DISASTER RISK REDUCTION
THE SENDAI FRAMEWORK FOR DISASTER RISK REDUCTIONjhunlian
 
Earthing details of Electrical Substation
Earthing details of Electrical SubstationEarthing details of Electrical Substation
Earthing details of Electrical Substationstephanwindworld
 
Stork Webinar | APM Transformational planning, Tool Selection & Performance T...
Stork Webinar | APM Transformational planning, Tool Selection & Performance T...Stork Webinar | APM Transformational planning, Tool Selection & Performance T...
Stork Webinar | APM Transformational planning, Tool Selection & Performance T...Stork
 
SOFTWARE ESTIMATION COCOMO AND FP CALCULATION
SOFTWARE ESTIMATION COCOMO AND FP CALCULATIONSOFTWARE ESTIMATION COCOMO AND FP CALCULATION
SOFTWARE ESTIMATION COCOMO AND FP CALCULATIONSneha Padhiar
 
Katarzyna Lipka-Sidor - BIM School Course
Katarzyna Lipka-Sidor - BIM School CourseKatarzyna Lipka-Sidor - BIM School Course
Katarzyna Lipka-Sidor - BIM School Coursebim.edu.pl
 
High Voltage Engineering- OVER VOLTAGES IN ELECTRICAL POWER SYSTEMS
High Voltage Engineering- OVER VOLTAGES IN ELECTRICAL POWER SYSTEMSHigh Voltage Engineering- OVER VOLTAGES IN ELECTRICAL POWER SYSTEMS
High Voltage Engineering- OVER VOLTAGES IN ELECTRICAL POWER SYSTEMSsandhya757531
 
CS 3251 Programming in c all unit notes pdf
CS 3251 Programming in c all unit notes pdfCS 3251 Programming in c all unit notes pdf
CS 3251 Programming in c all unit notes pdfBalamuruganV28
 
Industrial Applications of Centrifugal Compressors
Industrial Applications of Centrifugal CompressorsIndustrial Applications of Centrifugal Compressors
Industrial Applications of Centrifugal CompressorsAlirezaBagherian3
 
Gravity concentration_MI20612MI_________
Gravity concentration_MI20612MI_________Gravity concentration_MI20612MI_________
Gravity concentration_MI20612MI_________Romil Mishra
 
Cost estimation approach: FP to COCOMO scenario based question
Cost estimation approach: FP to COCOMO scenario based questionCost estimation approach: FP to COCOMO scenario based question
Cost estimation approach: FP to COCOMO scenario based questionSneha Padhiar
 
Levelling - Rise and fall - Height of instrument method
Levelling - Rise and fall - Height of instrument methodLevelling - Rise and fall - Height of instrument method
Levelling - Rise and fall - Height of instrument methodManicka Mamallan Andavar
 
Engineering Drawing section of solid
Engineering Drawing     section of solidEngineering Drawing     section of solid
Engineering Drawing section of solidnamansinghjarodiya
 

Kürzlich hochgeladen (20)

Turn leadership mistakes into a better future.pptx
Turn leadership mistakes into a better future.pptxTurn leadership mistakes into a better future.pptx
Turn leadership mistakes into a better future.pptx
 
Paper Tube : Shigeru Ban projects and Case Study of Cardboard Cathedral .pdf
Paper Tube : Shigeru Ban projects and Case Study of Cardboard Cathedral .pdfPaper Tube : Shigeru Ban projects and Case Study of Cardboard Cathedral .pdf
Paper Tube : Shigeru Ban projects and Case Study of Cardboard Cathedral .pdf
 
Virtual memory management in Operating System
Virtual memory management in Operating SystemVirtual memory management in Operating System
Virtual memory management in Operating System
 
DEVICE DRIVERS AND INTERRUPTS SERVICE MECHANISM.pdf
DEVICE DRIVERS AND INTERRUPTS  SERVICE MECHANISM.pdfDEVICE DRIVERS AND INTERRUPTS  SERVICE MECHANISM.pdf
DEVICE DRIVERS AND INTERRUPTS SERVICE MECHANISM.pdf
 
Main Memory Management in Operating System
Main Memory Management in Operating SystemMain Memory Management in Operating System
Main Memory Management in Operating System
 
Designing pile caps according to ACI 318-19.pptx
Designing pile caps according to ACI 318-19.pptxDesigning pile caps according to ACI 318-19.pptx
Designing pile caps according to ACI 318-19.pptx
 
Immutable Image-Based Operating Systems - EW2024.pdf
Immutable Image-Based Operating Systems - EW2024.pdfImmutable Image-Based Operating Systems - EW2024.pdf
Immutable Image-Based Operating Systems - EW2024.pdf
 
TEST CASE GENERATION GENERATION BLOCK BOX APPROACH
TEST CASE GENERATION GENERATION BLOCK BOX APPROACHTEST CASE GENERATION GENERATION BLOCK BOX APPROACH
TEST CASE GENERATION GENERATION BLOCK BOX APPROACH
 
THE SENDAI FRAMEWORK FOR DISASTER RISK REDUCTION
THE SENDAI FRAMEWORK FOR DISASTER RISK REDUCTIONTHE SENDAI FRAMEWORK FOR DISASTER RISK REDUCTION
THE SENDAI FRAMEWORK FOR DISASTER RISK REDUCTION
 
Earthing details of Electrical Substation
Earthing details of Electrical SubstationEarthing details of Electrical Substation
Earthing details of Electrical Substation
 
Stork Webinar | APM Transformational planning, Tool Selection & Performance T...
Stork Webinar | APM Transformational planning, Tool Selection & Performance T...Stork Webinar | APM Transformational planning, Tool Selection & Performance T...
Stork Webinar | APM Transformational planning, Tool Selection & Performance T...
 
SOFTWARE ESTIMATION COCOMO AND FP CALCULATION
SOFTWARE ESTIMATION COCOMO AND FP CALCULATIONSOFTWARE ESTIMATION COCOMO AND FP CALCULATION
SOFTWARE ESTIMATION COCOMO AND FP CALCULATION
 
Katarzyna Lipka-Sidor - BIM School Course
Katarzyna Lipka-Sidor - BIM School CourseKatarzyna Lipka-Sidor - BIM School Course
Katarzyna Lipka-Sidor - BIM School Course
 
High Voltage Engineering- OVER VOLTAGES IN ELECTRICAL POWER SYSTEMS
High Voltage Engineering- OVER VOLTAGES IN ELECTRICAL POWER SYSTEMSHigh Voltage Engineering- OVER VOLTAGES IN ELECTRICAL POWER SYSTEMS
High Voltage Engineering- OVER VOLTAGES IN ELECTRICAL POWER SYSTEMS
 
CS 3251 Programming in c all unit notes pdf
CS 3251 Programming in c all unit notes pdfCS 3251 Programming in c all unit notes pdf
CS 3251 Programming in c all unit notes pdf
 
Industrial Applications of Centrifugal Compressors
Industrial Applications of Centrifugal CompressorsIndustrial Applications of Centrifugal Compressors
Industrial Applications of Centrifugal Compressors
 
Gravity concentration_MI20612MI_________
Gravity concentration_MI20612MI_________Gravity concentration_MI20612MI_________
Gravity concentration_MI20612MI_________
 
Cost estimation approach: FP to COCOMO scenario based question
Cost estimation approach: FP to COCOMO scenario based questionCost estimation approach: FP to COCOMO scenario based question
Cost estimation approach: FP to COCOMO scenario based question
 
Levelling - Rise and fall - Height of instrument method
Levelling - Rise and fall - Height of instrument methodLevelling - Rise and fall - Height of instrument method
Levelling - Rise and fall - Height of instrument method
 
Engineering Drawing section of solid
Engineering Drawing     section of solidEngineering Drawing     section of solid
Engineering Drawing section of solid
 

Problems analyes & corrective action

  • 1. 1 | P a g e E t h i o p i a Engr Mizanur Rahman. Fabrics Finishing Expert. MAA Garment & Textiles Factory (Kebire Enterprises PLC) PO Box 1976, Quiha, Mekelle, Ethiopia. Year of 2015-2017 Reporting Date: 5th September 2017 Mohammad Mizanur Rahman Fabrics Finishing Expert (Manager) Cell: +251 962 600 055 Email: mizan5379@yahoo.com Skype: mizan_mehben
  • 2. 2 | P a g e E t h i o p i a Engr Mizanur Rahman. Fabrics Finishing Expert. Basic information of Reporter:- 1. Qualification – A. SSC (Science)- 1st Class B. HSC (Science)- 1st Class C. Diploma in Textile Engineering (Textile Chemistry)- 1st Class D. BSS (Political Science)- 2nd Class E. B Sc in Textile Engineering (Textile Chemistry)- GPA-3.05 out of 4 F. MBA (Management)- 2nd year Study 2. Working Skills: Top of the Ten in the Bangladesh this three Factory & Modern Technology with software basis, A. Fakir knitwear’s Ltd Asst Manager (Dyeing & Finishing) Working duration: 9 years Capacity: 45 tons Machines: Dyeing- Thies, Fongs, Acme, PMM, Finishing- Bruckner, ACC, Lafer, Ferraro Brush, Peach Finish, Sharing, Shinging M/c Available B. Epyllion Knitex Ltd Manager (Finishing & Quality) Working duration: 3 years Capacity: 35 tons Machines: Dyeing- Thies, Canlar, TDM Finishing- LK&LH, Monforts, ACC, Tubetex, Ferraro, Lafer, Suntex, Corino, Brush, Peach Finish, Sharing, Shinging M/c Available C. Chaity Composite Ltd Senior Manager (Fabrics Finishing) Working duration: 5 years Capacity: 45 tons Machines: Dyeing- Then, Thies Finishing- Bruckner, LK&LH, Ferraro Brush, Peach Finish, Sharing, Combing, Tumble dryer M/c
  • 3. 3 | P a g e E t h i o p i a Engr Mizanur Rahman. Fabrics Finishing Expert. Selection for Ethiopia: DBL Group (Bangladesh) (Top of the ten in Bangladesh)
  • 4. 4 | P a g e E t h i o p i a Engr Mizanur Rahman. Fabrics Finishing Expert. Follow up report:  Knitting  Batch Preparation  Dyeing  Fabrics Finishing  Fabrics Quality  Cutting  Sample
  • 5. 5 | P a g e E t h i o p i a Engr Mizanur Rahman. Fabrics Finishing Expert.  Follow up report of Knitting: A. Count Selection B. Drop Needle/ Stitch C. Barriness/ Patta D. Broken Ends E. Yarn Missing F. Count Maxing G. Jumping H. Contamination I. Lycra Missing J. Oil Line/Stain K. M/c Dia selection L. Stitch length M. Folder/ Dia Mark N. Yarn Streaks O. Sinker Line P. Pin Hole/Knitting Hole Q. Spirality  Follow up report of Batch Preparation: A. Lot Maxing B. Dia Maxing C. Wrong information D. Weight Not right E. Proper Stitch F. Follow Needle drop/Slitting Mark Note: About the mansion that is common problems in textile sector, so we mansion also how to solve easily.
  • 6. 6 | P a g e E t h i o p i a Engr Mizanur Rahman. Fabrics Finishing Expert.  Follow up report of Dyeing: A. Wrong Shade unload B. Uneven C. Dark Mark D. Dyeing patches E. Running shade/ Shade Variation F. Roll to Roll Shade Variation G. Tonal Variation/ Batch to Batch Variation H. Body to Rib not Match I. Crease / Rope Mark J. Hole K. Color fastness L. Rubbing M. Surface Hairiness N. Entanglement O. GSM Effect P. Curling Q.Strength Less/ fabrics Damage  Follow up report of Fabrics Finishing: A. Wrong Slitting B. Crease Mark C. Width Variation D. Middle Loose E. Pin Hole in selvedge F. Hole G. White Mark H. Softener Mark I. Shrinkage J. Spirality K. Skewing L. Dirty Spots M. GSM Variation with in roll N. Shade Variation O. Bowing
  • 7. 7 | P a g e E t h i o p i a Engr Mizanur Rahman. Fabrics Finishing Expert. P. Elephants Skin Q. Lycra Fabrics i. GSM Variation with in roll ii. Within roll 1st & last GSM variation iii. GSM low after dyeing iv. Roll to roll GSM variation v. GSM up down after Finish R. Stenter M/c Speed  Follow up report of Fabrics Quality: A. Inspection Reports B. Dirty Spots C. Hole D. Running Shade E. Online inspection F. Off Line inspection G. Grouping Delivery H. County wise delivery  Follow up report of Cutting: A. QC reports follow B. Group pattern C. Wastage reduce D. Width wise marker
  • 8. 8 | P a g e E t h i o p i a Engr Mizanur Rahman. Fabrics Finishing Expert. Defect, Causes & Remedies:- 1. Crease Mark: A. Causes: i. From Padder (If proper not open uncurler Roller) ii. Pin out from stenter m/c iii. If not use leading cloth in time in stenter m/c rather than ropes iv. From Dyeing (If ropes stage dyeing) v. High Yarn Tension & More tied Knitting vi. If edges not proper stitch and knots pass from corino B. Remedies: i. Slitting, Stenter & Compacting starting time reject fabrics Stitch. ii. Operator all time actively follow up iii. Dyeing time up to mark use Anti-Creasing Agent iv. Yarn tension less from knitting 2. Width Variation. A. Causes: i. Stenter M/c setup change within one batch ii. Grey fabric of the same lot, knitted on different makes of Knitting Machines, having varying number of Needles in the Cylinder. iii. Pin selvedge controller auto not proper work iv. If not proper stitch before stenter m/c B. Remedies: i. Same setup width Full batch Finish ii. The whole lot of the grey fabric should be knitted on the same make of knitting machines iii. selvedge controller should work auto iv. proper stitch each rolls v. Stenter m/c running time must be actively work
  • 9. 9 | P a g e E t h i o p i a Engr Mizanur Rahman. Fabrics Finishing Expert. 3. Wrong Slitting. A. Causes- i. If auto cutter sensor not proper work ii. Proper Not sewing iii. If drop needle not visible iv. Operator not active B. Remedies- i. Auto cutter sensor should be in proper Working condition ii. Proper Stitching with drop needle iii. Operator carefully M/c operating 4. Folder/ Dia Mark. A. Causes- i. Mainly Lycra & High GSM fabrics ii. High pressure of the fabric Take Down rollers of the Knitting machine on the grey fabric is one of the main causes B. Remedies- i. Adjust the gap between the two rolls as per the thickness of the fabric sheet ii. Fabrics cutting/open from knitting (option) iii. After knitting fabrics keeping relax stage 5. Middle Fabric Loose. A. Causes- i. If actual width not finish ii. Adjust Fan pressure bottom and top iii. Delivery tension not adjusted B. Remedies- i. Should be Actual with finish ii. Adjusted delivery tension
  • 10. 10 | P a g e E t h i o p i a Engr Mizanur Rahman. Fabrics Finishing Expert. 6. Pin Hole in selvedge. A. Causes- i. Selvedge Auto controller not proper work ii. Operator not active iii. Needle ledge (pins) damage B. Remedies- i. Selvedge Auto controller proper work ii. Operator carefully M/c operating iii. Needle ledges should be inspected regularly and replace if damage 7. Hole (GSM & Shade Check) A. Causes- i. More cutting for GSM & Shade samples ii. Chemical dosing not proper (Peroxide & Caustic) iii. More Enzyme iv. Operator not active B. Remedies- i. Near of sewing GSM & Shade cutting ii. Every step check pH & Control iii. Proper chemical dosing 8. Pin hole/Knitting Hole A. Causes- i. Uneven yarn/ More Thick & Thin ii. More Naps iii. Uneven twist iv. TPI less from Standard v. Knitting m/c not properly clean vi. M/c speed more from standard vii. Brocken needle viii. Uneven tension B. Remedies- i. Control Thick & Thin ii. Even twist iii. Make standard TPI iv. Knitting m/c properly Clean
  • 11. 11 | P a g e E t h i o p i a Engr Mizanur Rahman. Fabrics Finishing Expert. v. Speed control vi. Check Brocken Needle 9. Hole from dyeing A. Causes- i. Improper Caustic solution/ dosing ii. H2O2 improper dosing iii. In bath more time keeping B. Remedies- i. Properly solution & time dosing ii. In bath not keep more time iii. pH control iv. H2O2 properly dosing 10.Shrinkage. A. Causes- i. If Actual width not finish ii. High Stresses & strains exerted on the fabric, during Knitting, Dyeing &Processing & the fabric not being allowed to relax properly iii. Not Proper Count Use iv. Not Right Stitch Length v. Tension on fabric during finishing B. Remedies- i. Should be Actual width finish ii. Give maximum overfeed to the fabric, during the processing, on the Stenter,& Compactor iii. Proper Count Use iv. Right Stitch Length v. Minimize tension during processes (corino, stenter) 11.Spirality. A. Causes- i. Need proper Angle. ii. Appropriate Yarn TPI/ High TPI. of the Yarn iii. Knitting more feeder use iv. Uneven Fabric tension on the Knitting machine v. Unequal rate of Fabric feed on the Stenter & Compactor vi. If not actual width finish
  • 12. 12 | P a g e E t h i o p i a Engr Mizanur Rahman. Fabrics Finishing Expert. B. Remedies- i. Auto use Weft straightener (Mahlo) ii. Use the yarns of the recommended TPI level for Knitting iii. Ensure uniform rate of feed of the dyed fabric on both the edges while feeding the fabric to the Stenter & Compactor machines iv. Actual width finish v. Knitting feeder use less 12.M/c down time. (Finishing) A. Causes- i. Color wise not setup ii. Clean time take more time iii. If before stenter not proper prepare batch B. Remedies- i. Color wise batch setup ii. Batch to batch prepare before end the batch iii. Maximum people engage people 13.White Mark. A. Causes- i. If any friction. ii. After slitting if selvedge dry. iii. If not proper wash in dyeing. iv. pH not control v. Hard water / More iron in water vi. Soda Effect vii. Salt effect B. Remedies- I. After slitting urgently dry II. pH proper control III. proper wash in dyeing IV. Control water hardness 14.Dirty Spot. A. Causes- i. Before unload from dyeing m/c trolley not properly clean ii. M/c properly not clean (slitting, stenter, compactor) iii. Fabrics handle not carefully
  • 13. 13 | P a g e E t h i o p i a Engr Mizanur Rahman. Fabrics Finishing Expert. B. Remedies- i. Trolley should be clean before unload ii. Fabrics handle carefully iii. M/c properly clean 15.Color Variation in Finishing. A. Causes- i. Stenter M/c not same speed runs ii. If Suddenly m/c Stop iii. Squeeze Roller Pick up % side to side Different iv. If Stenter m/c side to side Temperature Difference v. Stenter m/c Circulation not proper B. Remedies- i. Should be m/c run same speed ii. Stenter m/c Circulation proper iii. Check pickup % 16.Color Variation from Dyeing. A. Causes- i. Not Proper color dosing ii. Wrong Dyes Selection iii. Color Combination wrong iv. Pre-treatment not good/ Absorbency not good v. Entanglement in Machine vi. pH not control vii. Nozzle to nozzle length Variation B. Remedies- i. Proper color dosing ii. pH control iii. Rope length same every nozzle iv. Real Speed should be same
  • 14. 14 | P a g e E t h i o p i a Engr Mizanur Rahman. Fabrics Finishing Expert. 17.Drop Stitches (Holes): A. Causes- i. High Yarn Tension ii. Yarn Overfeed or Underfeed iii. High Fabric Take Down Tension iv. Defects like Slubs, Naps, and Knots etc. v. Incorrect gap between the Dial & Cylinder rings. B. Remedies- i. Ensure uniform yarn tension on all the feeders with a Tension Meter. ii. Rate of yarn feed should be strictly regulated as per the required Stitch Length. iii. The fabric tube should be just like a fully inflated balloon, not too tight or too slack. iv. The yarn being used should have no imperfections like; Slubs, Naps & big knots etc. v. The gap between the Cylinder & the Dial should be correctly adjusted as per the knitted loop size. 18.Barriness /Patta/ Yarn Variation- A. Causes- i. High Yarn Tension ii. Count Variation iii. Mixing of the yarn lots iv. Package hardness variation B. Remedies- i. Ensure uniform Yarn Tension on all the feeders ii. The average Count variation in the lot should not be more than + 0.3 iii. Ensure that the yarn being used for Knitting is of the same Lot. iv. Ensure that the hardness of all the yarn packages is uniform using a hardness tester.
  • 15. 15 | P a g e E t h i o p i a Engr Mizanur Rahman. Fabrics Finishing Expert. 19.Contamination: A. Causes- i. Presence of dead fibers & other foreign materials, such as; dyed fibers, husk &synthetic fibers etc. ii. Dyed & other types of fibers flying from the adjacent Knitting machines cling to the yarn being used for knitting & get embedded in the Grey Fabric. B. Remedies- i. Use rich fiber mixing for the yarns to be used for knitting in order to have less dead fibers appearing in the fabric. ii. Rigid control measures in the Blow Room to prevent the mixing of foreign matters in the Cotton mixing iii. Segregate the Spinning & Knitting Machines, with Plastic Curtains or Mosquito iv. Nets, to prevent the fibers flying from the neighboring machines, from getting embedded in the yarn / fabric. 20.Needle Line: A. Causes- i. Bent Latches, Needle Hooks & Needle stems ii. Wrong Needle selection (Wrong sequence of needles, put in the Cylinder or Dial) B. Remedies- i. Inspect the grey fabric on the knitting machine for any Needle lines ii. Check the Needle filling sequence in the Cylinder / Dial grooves (tricks). 21.Broken Needles/ Laddering: A. Causes- i. High Yarn Tension ii. Bad Setting of the Yarn Feeders iii. Old & Worn out Needle set iv. Cylinder Grooves are too tight restricting needle movement v. Breakage of hook or butt in needle. B. Remedies-
  • 16. 16 | P a g e E t h i o p i a Engr Mizanur Rahman. Fabrics Finishing Expert. i. Ensure uniform & the right Yarn tension on all the feeders. ii. Keep the recommended gap between the Yarn Feeders & the Needles. iii. Periodically change the complete set of needles. iv. Remove fly or blockage from groove. v. Replace defective needle. 22.Sinker Line: A. Causes- i. Bent or Worn out Sinkers ii. Sinkers being tight in the Sinker Ring grooves B. Remedies- i. Replace all the worn out or bent sinkers causing Sinker lines in the fabric. ii. Sinker lines are very fine & feeble vertical lines appearing in the fabric iii. Remove the fibers clogging the Sinker tricks 23.Oil Line/Stain: A. Causes- i. Fibers & fluff accumulated in the needle tricks which remain soaked with oil. ii. Excessive oiling of the needle beds. B. Remedies- i. Fibers accumulated in the needle tricks cause the oil to seep into the Fabric ii. Some lubricating oils are not washable & cannot be removed during Scouring iii. Remove all the Needles & the Sinkers of the machine periodically iv. Clean the grooves of the Cylinder & Dial of the machine thoroughly with petrol. v. Blow the grooves of the Cylinder Dial & Sinker ring with dry air after cleaning.
  • 17. 17 | P a g e E t h i o p i a Engr Mizanur Rahman. Fabrics Finishing Expert. 24.Broken Ends: A. Causes- i. High Yarn Tension ii. Yarn exhausted on the Cones. B. Remedies- i. Ensure correct yarn tension on all the feeders. ii. Ensure that the Yarn detectors on all the feeders are working properly. iii. Depute a skilled & alert machine operator on the knitting machine. 25.Yarn Variation: A. Causes- i. Yarn lot mix-up ii. Count mix-up iii. Tension variation B. Remedies- i. Conform yarn lot & Count ii. Every Feeder should be same tension 26.Bowing: A. Causes- i. Uneven distribution of tensions across the fabric width while dyeing or finishing the fabric. B. Remedies- i. Bowing can be corrected by reprocessing the fabric by feeding it from the opposite end. ii. A special machine (MAHLO) is also available for correcting the bowing in the knitted fabrics. 27.Dyeing Patches: A. Causes- i. Inadequate Scouring of the grey fabric is one of the primary causes of the dyeing patches. ii. Improper leveling agent is also one of the causes of dyeing patches. iii. Correct pH value not maintained.
  • 18. 18 | P a g e E t h i o p i a Engr Mizanur Rahman. Fabrics Finishing Expert. iv. Dyeing machine stoppage due to power failure or the fabric entanglement in the dyeing machine is a major cause of the dyeing patches. B. Remedies- i. Scour the grey fabric thoroughly to remove all the impurities from the fabric before dyeing ii. Use appropriate leveling agents to prevent patchy dyeing. iii. Maintain the correct pH value during the course of dyeing. iv. Use a power back up (Inverter) for the dyeing operation to be completed uninterrupted. 28.Softener Mark: A. Causes- i. Softener not being uniformly dissolved in water ii. If pH not control B. Remedies- i. Scour the grey fabric thoroughly to remove all the impurities from the fabric before dying. ii. Ensure that the softener is uniformly dissolved in the water & doesn’t remain dissolved as lumps or suspension iii. Use the right softener & the correct procedure for the application. iv. Maintain the correct pH value of the softener before application. 29.Stains: A. Causes- i. Dyeing Machine not cleaned thoroughly after dyeing a lot. ii. Grease & Oil stains from the unguarded moving machine parts like; Gears Shafts Driving Pulleys & Trolley wheels etc. iii. Fabric touching the floors & other soiled places during transportation, in the rolleys. iv. Handling of the fabric with soiled hands & stepping onto the stored fabric with dirty feet or shoes on.
  • 19. 19 | P a g e E t h i o p i a Engr Mizanur Rahman. Fabrics Finishing Expert. B. Remedies- i. Wash & clean the dyeing machine thoroughly after dyeing every dye lot. ii. Follow the dyeing cycle of Light- Medium- Dark shades & then the reverse the cycle while dyeing the fabric iii. All the lubricated moving machine parts should be protected with safety guards iv. Make sure that the fabric is neatly packed in or covered with Polythene sheets while transporting or in storage. v. Handle the fabric carefully with clean hands & do not let anyone step onto the stored fabric. 30.Poor Color Fastness: A. Causes- i. Dyeing recipe i.e. the poor fixing of the dyes is a major cause of color fading. ii. Using the wrong combination of colors in a secondary or tertiary shade. iii. Use of strong detergents & the quality of water are also the common causes for color fading iv. Prolonged exposure to strong light will also cause the colors to fade. v. High level of acidity or alkalinity in the perspiration of individuals also causes color fading. B. Remedies- i. Use the correct dyeing recipe i.e. the appropriate leveling, fixing agents & the correct combination of dyes. ii. Follow the wash care instructions rigidly. iii. Use mild detergents & soft water for washing the garments iv. Don’t soak the garments for more than 10- 15 minutes in the detergent prior to washing v. Turn the wet garments inside out while drying. vi. Dry in shade & not in direct sunlight. vii. Protect the garments against prolonged direct exposure to strong lights (showrooms or exhibitions etc.
  • 20. 20 | P a g e E t h i o p i a Engr Mizanur Rahman. Fabrics Finishing Expert. 31.Shade Variation: A. Causes- i. Shade variation can be as a result of mixing of the, fabrics of two different lots. ii. Shade variation is also caused, by the variation in the process parameters i.e. Time, Temperature & Speed etc. from one fabric roll, to the other. iii. Shade variation can appear to be, in fabrics with GSM variation, caused due to the uneven stretching, unequal fabric overfeed % etc. B. Remedies- i. Ensure that the grey fabric used for one shade is knitted from the same lot of the yarn. ii. Ensure that the same process parameters (Width, Overfeed, Temperature &Machine Speed etc.) are used for each roll of a Dye lot. 32.Tonal Variation: A. Causes- i. Wrong Dyeing recipe ii. Wrong leveling agent selection or wrong dyes combinations iii. Improper fabric Scouring iv. Impurities like Oil & Wax etc. not being completely removed in Scouring v. Level dyeing not being done due to the inappropriate leveling agents vi. Variation in the process parameters, e.g. Temperature, Time & Speed etc. B. Remedies- i. Use appropriate leveling agents to ensure uniform & level dyeing ii. Scour the grey fabric thoroughly to ensure the removal of all the impurities. iii. Ensure that the whole lot of the dyed fabric is processed under uniform process parameters.
  • 21. 21 | P a g e E t h i o p i a Engr Mizanur Rahman. Fabrics Finishing Expert. 33.GSM Variation : A. Causes- i. Roll to roll variation in the, process parameters, of the fabric, like; Overfeed &Width wise stretching of the dyed fabric, on the Stenter & Compactor Machine. ii. Roll to roll variation in the fabric stitch length. B. Remedies- i. Make sure that all the fabric rolls in a lot, are processed under the same process parameters. ii. The Knitting Machine settings, like; the Quality Pulley diameter etc. should never be disturbed. 34.Dark Mark: A. Causes- i. Mainly crease mark is the dark Color fabrics showing dark line. ii. Dark Shade mainly showing iii. If not properly use anti Creasing & Wetting agent. iv. If fabrics not properly open stage in the dyeing nozzle. v. Rope stage in dyeing. B. Remedies- i. Up to mark use anti crease & wetting agent. ii. Ensure the open stage dyeing & not rope. 35.Elephants Skin: A. Causes- i. Mainly coming from compactor machine. ii. If over compaction. iii. If taplon/ Glass fiber not proper setting B. Remedies-- i. Before compactor m/c run then everything checks. ii. Up to mark feed the over feed. iii. Taplon/ Glass fiber properly set. iv. Again compactor under overfeed.
  • 22. 22 | P a g e E t h i o p i a Engr Mizanur Rahman. Fabrics Finishing Expert. 36.Carling: A. Causes- i. Mainly that type of problem in dyeing. ii. If not grading temperature up down. iii. Mainly CVC & PC fabrics, Polyester fabrics that happen. B. Remedies- i. Proper grading system follows. ii. Again dyeing load & grading maintain iii. High temperature Finish iv. Minimum overfeed finishing time. 37.Running Shade/ Meter to meter Variation: A. Causes- i. Not properly color dosing ii. Not properly wash iii. Pretreatment not good B. Remedies- i. After Pretreatment check, absorbency check ii. After treatment need to good iii. Up to mark use anti crease & wetting agent. 38.GSM Effect from Dyeing: A. Causes- i. If yarn quality not good. ii. More Enzymes. iii. Long time dyeing iv. Reprocess B. Remedies- i. Hardly try for one time dyeing ii. About reprocess iii. Enzyme up to mark 39. Rubbing Problem: A. Causes- i. Dyes not good ii. Yarn not good iii. After dyeing not good wash iv. Enzyme dust in the fabrics
  • 23. 23 | P a g e E t h i o p i a Engr Mizanur Rahman. Fabrics Finishing Expert. B. Remedies- i. Good band dyes use ii. Quality yarn use iii. Good after treatment iv. Hydrophilic softener use 40.Body to Rib Not Match: A. Causes- i. Yarn lot not same ii. Yarn count not same iii. Dyeing Ratio not accurate iv. If rib separate one nozzle in dyeing B. Remedies- i. Must be Yarn lot & Count same ii. Every nozzle fabrics ratio same iii. Separate dyeing & Match body 41.Entanglements – A. Causes- i. Liquor Ratio More ii. More Fabrics Loaded iii. Unbalances Fabrics Loaded iv. Nozzle to Nozzle Real speed Difference v. Nozzle Gap & With knots use vi. More Foam B. Remedies- i. Liquor Ratio As required ii. Up to mark fabrics Loaded with balances Every nozzle iii. Nozzle gap as fabrics GSM wise iv. Roll to roll Joint with sewing v. Anti-foam use
  • 24. 24 | P a g e E t h i o p i a Engr Mizanur Rahman. Fabrics Finishing Expert. 42. Stenter M/c Speed- A. Causes- i. Deffand of Fabrics Types ii. Color Shade % iii. Shade Adjustment iv. Moisture Control v. Filter Not proper Clean vi. Exhaust need to be adjust vii. More Overfeed B. Remedies- i. Fabrics Type & Color wise Speed adjust ii. Required wise Moisture adjust iii. Properly filter Clean iv. Fabrics Squeezer up to Mark
  • 25. 25 | P a g e E t h i o p i a Engr Mizanur Rahman. Fabrics Finishing Expert. Quality Reports 1. Quality Policy: A. Inspection-( Standard ) i. Grad –A (100% OK fabrics) (Points up to 40) ii. Grad-B (80% OK Fabrics)(40 to 60 Points) iii. Grad-C (Return to production) iv. Grad-R (Reject)(60 up points) B. Return-(For Re-process) i. Width variation ii. GSM Low iii. GSM High iv. Elephants Scan/ Crumple mark v. Crease Mark vi. Color Spot vii. Hairiness viii. Running shade C. Reject- i. Barriness/ Patta/ Yarn Variation ii. Needle drop / Wrong Slitting iii. Thick & Thin iv. Lycra out D. GSM Check i. Near of Stitch ii. Within one meter iii. GSM average Required iv. GSM less than 5 to 7% in fabrics stages E. Shade Check i. Near of Stitch ii. Within one meter iii. Running shade check v. Tolerance’s Group A & B vi. Group wise Cutting to Packing separate vii. Shade Compare with Spectrophotometer/ grey Scales
  • 26. 26 | P a g e E t h i o p i a Engr Mizanur Rahman. Fabrics Finishing Expert. Sample Make & Submit 2. Sample Policy: A. Knitting i. Proper Count use ii. Proper Stitch Length iii. Dia & Gauge Select B. Dyeing i. Branded Dyes & Chemical use ii. Proper wash iii. Enzyme iv. Good Hand Feel v. Fastness vi. Rubbing vii. Light Fastness viii. pH Control C. Finishing i. Shrinkage Control ii. Spirality Control iii. GSM Control iv. Bowing /Angle D. Quality Check i. Wash Fastness ii. Shrinkage & Spirality iii. GSM iv. Hairiness v. pH Check vi. Buyer Requirement E. Cutting i. Pattern Adjust against of Shrinkage ii. Before cutting need steam iron iii. After Sewing need tumble than steam iron
  • 27. 27 | P a g e E t h i o p i a Engr Mizanur Rahman. Fabrics Finishing Expert. F. Tasting i. Test of Garments Stage ii. Again Lab test before delivery to Customer iii. Keep Every Test Report G. Submit i. Cross check & Conform Everything ok ii. Two picas Sample Keep in store for References Note: After sample submit If any problem fully take Responsibility Sample department because should be everything Re-Check before submit If Result ok then Send to Buyer, Otherwise correction in department because Tasting Cost is so much High also time bindings from Customer. Suggestions: 1. Proper follow-up for every instruction given 2. Database development for all articles in order to avoid batch to batch setting change 3. Proper information should be in the order sheet/ Planning sheet (Yarn Count, knitting m/c Dia, Gauge, Stitch Length & Required width, GSM) 4. Before start knitting production must be conform from fabrics finishing department width & GSM/ Make sample 5. Proper count use according to the Finish fabric requirement 6. All Pique Fabrics should be knitting m/c Dia 30” & Gauge 24 instant of 34” 7. Make availability of all the required spares 8. Need Proper training operators & Workers 9. Fabrics Quality Check need to policy change 10.Dyeing Batch Card/Information Card should be fulfil every requirement 11.Rejection Percentage more than 5% Re-check by senior person Thanks