The circular knitting machine consists three major sections viz, yarn supply, knitting element and fabric take down.The needles are the most important stitch forming elements. They are displaced vertically up and down and are mounted into the tricks or cuts of the knitting cylinder. The sinker is the second primary knitting element. It is a thin metal plate with an individual or a collective action operating approximately at right angles from the hook side of the needle bed, between adjacent needles.The knitting cams are hardened steels and they are the assembly of different cam plates so that a track for butt can be arranged. Each needle movement is obtained by means of cams acting on the needle butts.

1. MD.AZMERI LATIF BEG
M. Sc in Textile Engineering
Specialized in Apparel Manufacturing,
Processing and Designing

3. 1.Needle:
a. The bearded needle.
b. The latch needle.
c. The compound needle.
2.Cylinder Trick
3.Needle Detector
4.Sinker:
5.Sinker Ring
6.Cylinder
7.Cylinder Balancer:
8.Cam:
i. Engineering cams.
ii. Knitting cams.
a) Knit cam
b) Tuck cam
c) Miss cam
9.Cam Box

4. 10. Creel
11. VDQ Pulley
12. Pulley Belt
13. Brush
14. Tension Disk
15. Inlet and Outlet Stop Motion
16. Yarn Guide
17. MNF Wheel
18. Feeder Ring
19. Positive Feeder
20. Lycra Attachment Device
21. Lycra Stop Motion
22. Uniwave Lubrication
23. Adjustable Fan
24. Spreader
25. Air Gun Nozzle

5. The standard version G0 is designed to withstand
the normal hook stress levels and is recommended in
cases where excessive stress occurs only rarely.
The special version G00 is a more favourite
alternative in case where frequent needle overloading
is anticipated or when a slightly open needle leads to
unacceptable striping in the fabric.

6. “The patented design reduces machine temperature and
energy consumption,increases needle life and is extremely
suitable for high machine speeds.”
• Substantially reduced carbon footprint.
• Energy consumption and machine temperature reduced by
up to 20 %.
• Significant increase in performance.
• Reduced oil consumption due to optimized lubrication.
Main characteristic features of a litespeed needle:
• Optimized needle shank geometry due to partial reduction
of the needle shank thickness in circular knitting needles.
• Reduced needle weight Shank geometry.

7. •Reduced friction
against the trick walls
•Less energy required
for needle movement
• Less oil fogging
•Reduced oil
requirement due to
optimized lubrication
•Up to 20 % lower
energy consumption
of the machine
•Less energy required
to lower the room
temperature
Benefits of LS(lite speed) Needles
Needle oil
Fig: Conventional needle
Improved oil
distribution
Reduced oil
resistance
Fig: litespeed needle

9. For example: Vota 78.60 G.02
 The capital letter at the beginning of the word ( “V”), identifies
the number of butts and the type of tail.
 The first part (78 in the example) indicates the whole length
rounded off to the mm
 The second (.60 in the example) part indicates the gauge of the
needle in hundredths of mm (width of the needle).
 The first capital letter indicates the needle manufacturer (G for
Groz-Beckert).
 The next number is used to distinguish a specific needle among
all the needles produced by the same manufacturer.
 For other needles, the latch fixing method is indicated by a “0”
before the last number.
 A “0” indicates that the latch has been fixed with a standard
pressed pin; no “0” means that the latch has been fixed with a
screw pin.

10. The sinker is the second primary knitting element (the needle
being the first). It is a thin metal plate with an individual or
a collective action operating approximately at right angles
from the hook side of the needle bed, between adjacent
needles.
Functions:
It may perform one or more of the following functions,
dependent upon the machine’s knitting action and
consequent sinker shape and movement:
 Loop formation
 Holding-down
 Knocking-over

12. Cam is the second primary knitting element. The cams
are the mechanical devices which convert the rotary
machine drive into suitable reciprocating action for
the needles or other elements. Because all needles
have a reciprocating action either serially or seriatim,
except on the bearded needle sinker wheel and loop
wheel frames where the fixed needle circle merely
revolves. The cams are carefully profiled to produce
precisely-timed movement and dwell periods and are
of two types:
i. Engineering cams.
ii. Knitting cams.
a) Knit cam
b) Tuck cam
c) Miss cam Fig: Knit,Tuck & Miss Cam

13. Power Supply 24V (20-33 V) 50/60 Hz
Run signal (machine is running) 10 – 30 V AC
Max. power 72 VA
Displacement per pump stroke 4.2 – 25 mm³
Adjustable oil dose per lubrication point: 0.3 – 24 ml/h
Max. oil consumption (with all nozzles operating):
Pulsonic (12 oil outlets) 288 ml/h
Pulsonic (24 oil outlets) 576 ml/h
Oil reservoir capacity: 3.5 litre
Weight: 3 kg (approx.)
With optional NKS needle head lubrication the following
are also required:
Compressed air supply 3 bar (max.) (dry - no condensate)
Compressed air consumption at 1.5 bar 0.5 N m³/h for 3 NKS nozzles
Technical data

15. Effect of knitting elements on different types of fabrics

16. Effect of knitting elements on different types of fabrics

17. Effect of knitting elements on different types of fabrics

18. Effect of knitting elements on different types of fabrics

19. Effect of knitting elements on different types of fabrics

20. Effect of knitting elements on different types of fabrics

21. Effect of knitting elements on different types of fabrics

22. Effect of knitting elements on different types of fabrics

23. Effect of knitting elements on different types of fabrics

24. Effect of knitting elements on different types of fabrics

25. Effect of knitting elements on different types of fabrics

26. Effect of knitting elements on different types of fabrics

27. Effect of knitting elements on different types of fabrics

28. Effect of knitting elements on different types of fabrics

29. Effect of knitting elements on different types of fabrics

30. Effect of knitting elements on different types of fabrics

31. Effect of knitting elements on different types of fabrics