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Operator Training Paper roll handling BOLZONI-AURAMO HOMEWOOD, ILL 1-800-358-5438
Table of contents: Section 1: Paper handling in general. Section 2: Damage prevention Click on your choice Forest products, pulp bales and paper rolls in particular, are one of the most demanding cargo commodities requiring specialized lift truck attachments and skilled drivers. Our education will help paper producers in the aim to deliver their products without damages.
Table of contents Paper handling in general Paper handling in general  Daily inspection Safety rules and capacity  Contact pad guide Choosing lift truck and clamps  Select the correct clamping force Click on your choice
Table of contents Damage prevention Damage prevention in general End damage Edge damage Belly damage Out-of-roundness  damage Click on your choice
The paper rolls may be handled up to 15 times before delivery to the customer ! The transport chain of forest products is often very long. A paper roll may require as many as 15 handling stages on its way from paper machine to the printing machine. This makes it essential to use well-chosen,  well-maintained equipment dedicated to forest products handling. Paper handling in general
Reducing damage is our mission  and the customer’s vision Paper handling in general  Delivery from paper mill to customer
Newsprint ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Paper handling in general
Magazine paper ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Paper handling in general
Tissue paper ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Paper handling in general
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Paperboard Paper handling in general
Safety rules and capacity
[object Object],[object Object],[object Object],[object Object],Safety rules and capacity
[object Object],Safety rules and capacity
Do not stand under the load Safety rules and capacity
[object Object],Safety rules and capacity
[object Object],Safety rules and capacity
[object Object],Safety rules and capacity
[object Object],[object Object],Safety rules and capacity
[object Object],Safety rules and capacity
[object Object],Safety rules and capacity
[object Object],[object Object],Safety rules and capacity
[object Object],Safety rules and capacity
[object Object],Safety rules and capacity
[object Object],Safety rules and capacity
[object Object],Safety rules and capacity
[object Object],[object Object],Safety rules and capacity
[object Object],[object Object],Safety rules and capacity
[object Object],[object Object],Safety rules and capacity
[object Object],[object Object],Safety rules and capacity
[object Object],Intelligent clamps DON’T FORGET TO FOLLOW LOCAL SAFETY REGULATIONS!  Safety rules and capacity
Lift truck’s center of gravity ,[object Object],Safety rules and capacity • An unloaded lift truck has a fixed center of gravity • Lift truck, attachment and load have a combined center of gravity point. It moves forward the heavier the load is and the more forward the load is situated. Never exceed the rated capacity of the attachment & lift truck combination !
Net capacity rating ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Safety rules and capacity
The effect of loading 1 ,[object Object],[object Object],[object Object],[object Object],Safety rules and capacity 5000 kg / 600 mm (11,000 lbs / 24”) 5000 kg / 1200 mm (11,000 lbs / 47”)
The effect of loading 2 ,[object Object],[object Object],Safety rules and capacity
The effect of loading 3 ,[object Object],[object Object],[object Object],Safety rules and capacity
Lifting a paper roll on a horizontal position ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Safety rules and capacity
Choosing truck and clamps
Check list for the right clamp: •  Weight of the paper roll  •  Max- and min diameter  •  Roll width  •  Paper quality/rec clamping force  •  Type of wrapping •  Storage and stowage pattern  •  Number of rolls per handling  •  Rotation Check list for the right lift truck: •  Type of clamp  •  Secured lifting capacity  •  Height of stowage  •  Hydraulic functions, pressure and flows •  Tilting functions  •  Clamp mounting  Choosing truck and clamps
[object Object],[object Object],[object Object],[object Object],Choosing truck and clamps
[object Object],[object Object],[object Object],[object Object],[object Object],Single and multiple vertical and horizontal rolls Choosing truck and clamps
Non-split or split arm  ? Choosing truck and clamps
Always use the correct clamp Choosing truck and clamps
Non-split or split arm ,[object Object],[object Object],[object Object],[object Object],[object Object],Choosing truck and clamps
[object Object],[object Object],[object Object],[object Object],[object Object],Why 2, 3 or 4 arms? Choosing truck and clamps
[object Object],Why 2, 3 or 4 arms? Choosing truck and clamps   1250 kp 1250 kp 1250 kp 1250 kp 1250 kp 1250 kp 3750 kp
[object Object],[object Object],[object Object],Choosing truck and clamps   Avoid edge damage ! 4,500LBF 4,500LBF
20 + 20 = 40 kN 20 + 0 = 20 kN When handling a single roll, special attention must be paid to the total clamping pressure 20 = 20 kN Why 2, 3 or 4 arms? Choosing truck and clamps   20kn=4,480lbf 4,480+4,480=8,960lbf 4,480+0=4,480 4,480+4,480=8960lbf
Target is to give each roll their own clamping force Normal handling Big risk for accidents and out of roundness damge due to high clamping force on lowe rolls.
Oveloading / Wrong loading ,[object Object],[object Object],[object Object],[object Object],3,360lbf 10,080lbf 6,600lbf 13,440lbf
Handling of jumbo rolls - Why 2, 3 or 4 arms? Choosing truck and clamps   F c F n F n F c ROLL A ROLL B F c /3 F c /3 F c /3 F c /3 F c /3 F c /3 F n /3 F n /3 F m F m F m F m F m F m F m F m F n /3 F n /3 Micro and macro friction F n /3 F n /3
Short arm should be against the floor while lifting a roll from the ground Short arm  makes handling in tight spaces easier and minimizes the risk of roll damage Short and long arm Choosing truck and clamps   Short arm  inside Long arm  outside
Daily inspection
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Never use a defective or damaged equipment ! Daily inspection
Contact Pads - Friction surface service ,[object Object],[object Object],[object Object],Daily inspection 
Contact Pads - Sharp edge removal ,[object Object],[object Object],[object Object],[object Object],Daily inspection 
Contribute to everyone’s safety: If you find anything wrong with the lift truck or the attachment, the service staff should be notified at once ! Daily inspection Don´t drive like this ! This is perfect !
Contact pads  guide
Paper roll clamp contact pads ,[object Object],[object Object],[object Object],Contact pads  guide
Contact Pad features ,[object Object],[object Object],[object Object],[object Object],Contact pads  guide
[object Object],Contact pads  guide
Contact Pad Friction Properties Friction Coefficient μ Contact pads  guide
[object Object],Contact pads  guide
With worn out pads, the required clamping force can be up to three times higher ! Worn out pad Good pad Contact pads  guide Rubber-faced Cross grooved Cast pad Worn out pad Theoretical clamping force  with 1000 kg (2,200 lbs) paper roll Clamping force kp Steel sprayed
Selecting the correct  clamping force
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Selecting the correct clamping force
[object Object],[object Object],[object Object],Selecting the correct clamping force 4,480lb
Max clamping force according to weight of the roll: Paper quality Clamping factor Newsprint 1.0-1.4 Kraftliner 1.5-1.8 SC Printing paper 1.6-1.8 LWC print.paper/KCB Kemiart 1.7-2.0 Roll Tissue/Fluff Paper 1.1-1.3 For example:   Total paper weight 6,000lb x factor 1.3 = total pressure = 7,800lbf   What is correct clamping force ? Measuring and control of clamping force Selecting the correct clamping force
Always follow the paper mill’s instructions! Selecting the correct clamping force
Measuring and controlling the clamping force Exampel from newprint, SC and LWC producers Selecting the correct clamping force
Equipment for adjusting the clamping force Completely automatically with the CTX-series intelligent  paper roll clamp Manually with the four stage pressure relief valve Selecting the correct clamping force
Damage prevention
[object Object],Damage prevention
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Damage prevention 100% QUALITY RELIABILITY DAMAGE REDUCTION EFFICIENCY OPERATION UPTIME TARGETS
Waste percentage in a damaged reel of 100 cm (40”) diameter Damage prevention 100mm=3.9” 70mm  =2.8” 40mm  =1.6” 20mm  =.8”
Damage prevention Training •  Bolzoni Auramo has excellent knowledge about handling paper.  We can offer complete training programs.
Clamping force measurements ,[object Object],[object Object],Damage prevention
Out-of-roundness measurements ,[object Object],[object Object],[object Object],[object Object],Damage prevention
Out-of-roundness measurements ,[object Object],[object Object],[object Object],Damage prevention
Out-of-roundness measurements ,[object Object],[object Object],Damage prevention
Accelerations measurements ,[object Object],[object Object],Damage prevention
Load protection ,[object Object],Damage prevention
Edge damage Damage prevention
Stacking with too low lift height Damage prevention Edge damage Wrong tilt angle Wrong clamping Oblique stacking
[object Object],[object Object],[object Object],Damage prevention Edge damage
Stacking ”off-line” High risk for edge damage when lifting the paper roll Correct stacking Damage prevention Edge damage
[object Object],[object Object],Damage prevention Edge damage
Incorrect clamping can cause edge damage Damage prevention Edge damage
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Damage prevention Edge damage
End damage Damage prevention
NAIL Damage prevention End damage CLEAN STORAGE AND TRAILER FLOORS BEFORE LOADING ROLL ONTO THEM. REMOVE ALL PROTRUDING OBJECTS, NAILS, ETC. FROM THE LOADING AREA. DO NOT PUSH THE ROLL ON THE FLOOR.
Use hydraulic extension ! Damage prevention End damage Do not push the roll!
Belly damage Damage prevention
Use the correct clamp size according to roll dimensions ! The clamp is designed for a larger roll. The clamp is correct for the roll diameter. Open the clamping arms sufficiently when clamping a roll. Damage prevention Belly damage
Clamping too deep • Clamp pad corners press the roll •   Clamping arms press the roll •   Pad corners and arm frame cause local deformations on the roll surface  •   Risk for dropping the roll due to incorrect clamping Tip clamping •   Rolls may drop or “spit” out when braking Pivot arm clamps •   Rolls with diameters varying from 90% to maximum should be clamped against the clamp frame. Clamp smaller rolls with contact pads only – no contact against the frame. Sliding arm clamps •   Clamp rolls against the push plates. Damage prevention Belly damage
Wrong tilt angle ,[object Object],[object Object],[object Object],[object Object],Damage prevention Belly damage – Lift mast position during clamping
Damage prevention Belly damage – Not lifting high enough
Incorrect clamping distributes  the weight unevenly ! Damage prevention Belly damage • Clamping the rolls at the bottom exposes the roll wrapper to stress
Do not use the clamp to push the rolls ! Damage prevention Belly damage
Incorrect Correct - the long arm is positioned on the outside of stack Short arm inside ! Damage prevention Belly damage
[object Object],[object Object],[object Object],Damage prevention Belly damage Do not drive like this... … but like this! … and not like this
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Damage prevention Belly damage – How to prevent it?
Out-of-roundness
What does out-of-roundess mean to end customer  ? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Damage prevention Out-of-roundness
Correct handling  ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Out of roundness diagram Damage prevention Out-of-roundness
• Out-of-roundness is measured by the difference of radius • Measured in millimeters (mm) • Depending of the amount of handling times it gives different shape of damage Damage prevention Out-of-roundness
Most common incorrect handling: clamping over paper roll edge Damage prevention Out-of-roundness
Damage prevention Out-of-roundness – Wrapping as a load carrier F t F t F n F n F r F r Wrapper F c F c Wrapper carries approx 30 % of roll weight
Damage prevention Out-of-roundness
[object Object],[object Object],[object Object],[object Object],3,360lbf 10,080lbf 6,600lbf 13,440lbf Out-of-roundness – Overloading / Wrong loading
Damage prevention Out-of-roundness – Overloading / Wrong loading STOP
Incorrect clamp placement Correct clamp placement Overclamping can cause out of roundness ! Damage prevention Out-of-roundness
OUR GOAL IS TO DELIVER HAPPY PAPER ROLLS ! I need  a new wrapping! I am useless! I am  perfect!

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Operator Training Paper Roll Handling General

  • 1. Operator Training Paper roll handling BOLZONI-AURAMO HOMEWOOD, ILL 1-800-358-5438
  • 2. Table of contents: Section 1: Paper handling in general. Section 2: Damage prevention Click on your choice Forest products, pulp bales and paper rolls in particular, are one of the most demanding cargo commodities requiring specialized lift truck attachments and skilled drivers. Our education will help paper producers in the aim to deliver their products without damages.
  • 3. Table of contents Paper handling in general Paper handling in general Daily inspection Safety rules and capacity Contact pad guide Choosing lift truck and clamps Select the correct clamping force Click on your choice
  • 4. Table of contents Damage prevention Damage prevention in general End damage Edge damage Belly damage Out-of-roundness damage Click on your choice
  • 5. The paper rolls may be handled up to 15 times before delivery to the customer ! The transport chain of forest products is often very long. A paper roll may require as many as 15 handling stages on its way from paper machine to the printing machine. This makes it essential to use well-chosen, well-maintained equipment dedicated to forest products handling. Paper handling in general
  • 6. Reducing damage is our mission and the customer’s vision Paper handling in general Delivery from paper mill to customer
  • 7.
  • 8.
  • 9.
  • 10.
  • 11. Safety rules and capacity
  • 12.
  • 13.
  • 14. Do not stand under the load Safety rules and capacity
  • 15.
  • 16.
  • 17.
  • 18.
  • 19.
  • 20.
  • 21.
  • 22.
  • 23.
  • 24.
  • 25.
  • 26.
  • 27.
  • 28.
  • 29.
  • 30.
  • 31.
  • 32.
  • 33.
  • 34.
  • 35.
  • 36.
  • 38. Check list for the right clamp: • Weight of the paper roll • Max- and min diameter • Roll width • Paper quality/rec clamping force • Type of wrapping • Storage and stowage pattern • Number of rolls per handling • Rotation Check list for the right lift truck: • Type of clamp • Secured lifting capacity • Height of stowage • Hydraulic functions, pressure and flows • Tilting functions • Clamp mounting Choosing truck and clamps
  • 39.
  • 40.
  • 41. Non-split or split arm ? Choosing truck and clamps
  • 42. Always use the correct clamp Choosing truck and clamps
  • 43.
  • 44.
  • 45.
  • 46.
  • 47. 20 + 20 = 40 kN 20 + 0 = 20 kN When handling a single roll, special attention must be paid to the total clamping pressure 20 = 20 kN Why 2, 3 or 4 arms? Choosing truck and clamps 20kn=4,480lbf 4,480+4,480=8,960lbf 4,480+0=4,480 4,480+4,480=8960lbf
  • 48. Target is to give each roll their own clamping force Normal handling Big risk for accidents and out of roundness damge due to high clamping force on lowe rolls.
  • 49.
  • 50. Handling of jumbo rolls - Why 2, 3 or 4 arms? Choosing truck and clamps F c F n F n F c ROLL A ROLL B F c /3 F c /3 F c /3 F c /3 F c /3 F c /3 F n /3 F n /3 F m F m F m F m F m F m F m F m F n /3 F n /3 Micro and macro friction F n /3 F n /3
  • 51. Short arm should be against the floor while lifting a roll from the ground Short arm makes handling in tight spaces easier and minimizes the risk of roll damage Short and long arm Choosing truck and clamps Short arm inside Long arm outside
  • 53.
  • 54.
  • 55.
  • 56. Contribute to everyone’s safety: If you find anything wrong with the lift truck or the attachment, the service staff should be notified at once ! Daily inspection Don´t drive like this ! This is perfect !
  • 57. Contact pads guide
  • 58.
  • 59.
  • 60.
  • 61. Contact Pad Friction Properties Friction Coefficient μ Contact pads guide
  • 62.
  • 63. With worn out pads, the required clamping force can be up to three times higher ! Worn out pad Good pad Contact pads guide Rubber-faced Cross grooved Cast pad Worn out pad Theoretical clamping force with 1000 kg (2,200 lbs) paper roll Clamping force kp Steel sprayed
  • 64. Selecting the correct clamping force
  • 65.
  • 66.
  • 67. Max clamping force according to weight of the roll: Paper quality Clamping factor Newsprint 1.0-1.4 Kraftliner 1.5-1.8 SC Printing paper 1.6-1.8 LWC print.paper/KCB Kemiart 1.7-2.0 Roll Tissue/Fluff Paper 1.1-1.3 For example: Total paper weight 6,000lb x factor 1.3 = total pressure = 7,800lbf What is correct clamping force ? Measuring and control of clamping force Selecting the correct clamping force
  • 68. Always follow the paper mill’s instructions! Selecting the correct clamping force
  • 69. Measuring and controlling the clamping force Exampel from newprint, SC and LWC producers Selecting the correct clamping force
  • 70. Equipment for adjusting the clamping force Completely automatically with the CTX-series intelligent paper roll clamp Manually with the four stage pressure relief valve Selecting the correct clamping force
  • 72.
  • 73.
  • 74. Waste percentage in a damaged reel of 100 cm (40”) diameter Damage prevention 100mm=3.9” 70mm =2.8” 40mm =1.6” 20mm =.8”
  • 75. Damage prevention Training • Bolzoni Auramo has excellent knowledge about handling paper. We can offer complete training programs.
  • 76.
  • 77.
  • 78.
  • 79.
  • 80.
  • 81.
  • 82. Edge damage Damage prevention
  • 83. Stacking with too low lift height Damage prevention Edge damage Wrong tilt angle Wrong clamping Oblique stacking
  • 84.
  • 85. Stacking ”off-line” High risk for edge damage when lifting the paper roll Correct stacking Damage prevention Edge damage
  • 86.
  • 87. Incorrect clamping can cause edge damage Damage prevention Edge damage
  • 88.
  • 89. End damage Damage prevention
  • 90. NAIL Damage prevention End damage CLEAN STORAGE AND TRAILER FLOORS BEFORE LOADING ROLL ONTO THEM. REMOVE ALL PROTRUDING OBJECTS, NAILS, ETC. FROM THE LOADING AREA. DO NOT PUSH THE ROLL ON THE FLOOR.
  • 91. Use hydraulic extension ! Damage prevention End damage Do not push the roll!
  • 92. Belly damage Damage prevention
  • 93. Use the correct clamp size according to roll dimensions ! The clamp is designed for a larger roll. The clamp is correct for the roll diameter. Open the clamping arms sufficiently when clamping a roll. Damage prevention Belly damage
  • 94. Clamping too deep • Clamp pad corners press the roll • Clamping arms press the roll • Pad corners and arm frame cause local deformations on the roll surface • Risk for dropping the roll due to incorrect clamping Tip clamping • Rolls may drop or “spit” out when braking Pivot arm clamps • Rolls with diameters varying from 90% to maximum should be clamped against the clamp frame. Clamp smaller rolls with contact pads only – no contact against the frame. Sliding arm clamps • Clamp rolls against the push plates. Damage prevention Belly damage
  • 95.
  • 96. Damage prevention Belly damage – Not lifting high enough
  • 97. Incorrect clamping distributes the weight unevenly ! Damage prevention Belly damage • Clamping the rolls at the bottom exposes the roll wrapper to stress
  • 98. Do not use the clamp to push the rolls ! Damage prevention Belly damage
  • 99. Incorrect Correct - the long arm is positioned on the outside of stack Short arm inside ! Damage prevention Belly damage
  • 100.
  • 101.
  • 103.
  • 104.
  • 105. • Out-of-roundness is measured by the difference of radius • Measured in millimeters (mm) • Depending of the amount of handling times it gives different shape of damage Damage prevention Out-of-roundness
  • 106. Most common incorrect handling: clamping over paper roll edge Damage prevention Out-of-roundness
  • 107. Damage prevention Out-of-roundness – Wrapping as a load carrier F t F t F n F n F r F r Wrapper F c F c Wrapper carries approx 30 % of roll weight
  • 109.
  • 110. Damage prevention Out-of-roundness – Overloading / Wrong loading STOP
  • 111. Incorrect clamp placement Correct clamp placement Overclamping can cause out of roundness ! Damage prevention Out-of-roundness
  • 112. OUR GOAL IS TO DELIVER HAPPY PAPER ROLLS ! I need a new wrapping! I am useless! I am perfect!

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