Importance of mechanical operation in leather processing (final)
-
Upload
jawwadsalah -
Category
Technology
-
view
177 -
download
3
description
Transcript of Importance of mechanical operation in leather processing (final)
Innovate to winShafi Reso-Chem
Continue Technical Education(CTE)
“Importance of Mechanical Operation
InLeather Processing”
by
Saeed Akhtar Malik
Presentationon
Profile: SAM
Desalting Machines
4
Objective:1. Eliminate or at least reduce
the concentration of chloride residues.
Specification Steel net drums Different Size or capacity. Controlled RPM
Soaking Paddles
Objective:1. Rehydrated.2. removal of curing agents3. Non-structural proteins and
fats.
Specification Available in Different Size or
capacity. Create agitation in water Not directly move the skins
Drums
Objective:1. Liming ,2. Deliming,3. Bating,4. Degreasing,5. Tanning,
Specification Wood or steel Different size available Inside pegs & shelves
Turbo Mixture for Liming
Objective:1. Liming ,2. Partial deliming3. Less mechanical action
required on sheep4. To get flat and fine grain
Specification Fiber or Steel Drums Vertical shape
Fleshing
Objective:1. Tissue, flesh and fat
remnants are removed by a roller mounted knife
Specification Sharp Knife Cylinder Support Roller Backing roll Transport rolls
Scudding
Objective:1. To remove Hair Roots
Specification Knife curved Slab
Splitting
Objective:1. A band knife is used to split the pelt
horizontally into a grain split and a flesh split.
Specification Sharp Knife Controlled Roller Feed Roller Transport roll Section roll Rubber roll Backing roll
Sammying/Setting
Objective:1. press out a part of the
water under high pressure 2. To get flat grain3. Increase area4. Reduced Wrinkles
Specification Felt sleeves for taking up
water Pressure Roller Swiveling pressure roll Flattening knife cylinder Rubber roll
Vacuum Dryer
Objective:1. To remove moisture2. To get flat grain.3. Specially for upper and
lining4. Fiber are fixed
Specification High vacuum Pressure Temperature Time
Tumble Machine
Specification1. Steam or electrical heated type.2. Temperature controlled.3. Time controlled.
Objective:1. To get tumble effect.2. To specially for veg tanned
leather.
Objective:1. To soften the leather after
drying.
Molissa
Specification Conveyor Pressure Nobs
move up down 2 to 3
Stake Machine
Objective:1. To open or soften the
leather after Drying.
Specification Feed Roller Pressure Roller Bend Knife Roller Supporting Roller
Shaving Machine
Objective:1. To make even thickness
of leather.
Specification Feed Roller Pressure Roller Knife Roller Supporting Roller Grinding Disk Transport Roll
Dry Shaving Machine
Objective:1. To make thickness even.
Specification Feed Roller Pressure Roller Sharp Knife Roller Supporting Roller
Leather Buffing Machine
Objective:1. To remove flesh2. To make flesh side smooth3. To make Nap
Specification through-feed Roller Buffing Roller Brush Rolls
Paper
Size = 180,220,400,600,800,1000.
Milling Drums
Objective:1. is used in last stage of leather tanning
operation to make soft leather soft.2. More drumming more softness
Specification Wooden drums Heating system Dust sucking system Humidifying operations can be don
Toggle Machine
Objective:1. To Flat leather pieces2. To get maximum Area3. To remove wrinkle
Specification Heat controller 10, Net slide Also available Automatic Toggle