It's a presentation about the waste products which are produced during spinning process.

1. Submitted by:
Tanmoy Choudhury
ID: 181-240-801
Dept. of Textile Engineering
Submitted to:
Ms. Mahmuda Chowdhury
Lecturer, BUFT

2. Wastage Produced
in
Spinning Process

3. What is Spinning?
• Spinning is the twisting together of drawn-out
strands of fibers to form yarn, and is a major
part of the textile industry
• The yarn produced then used to
create textiles, which are then used to
make clothing and many other products

4. Wastage:
• The action or process of losing or destroying something by using it
carelessly or extravagantly. Waste includes all items that people no
longer have any use for, which they either intend to get rid of or have
already discarded.
• In practical,
Input – Output = Wastage

5. Types of Wastage:
• Blow room wastages
• Carding wastages
• Draw Frame wastages
• Wastage in Combing
• Wastages in Simplex
• Wastages in Ring Frame

6. List of Blow room wastages:
• Droping-1
• Droping-2
• Seeds
• Leafs
• Dust
• Lapcut
• Filter waste
• Filter dust
• Floor sweep

7. List of Carding wastages:
• Modes & flyer
• Flat strip
• Taker in waste
• Sliver cut
• Filter waste
• Filter dust
• Floor sweep

8. Draw Frame wastages:
• Filter waste
• Bonda
• Sliver cut

9. List of Wastage in Combing:
• Noil: As per desired & quality of the
end product to be produced.
• Minilap Wastage: 0.25%
• Sliver Wastage : 0.25%
• Roller Wastage : 0.25%
• Fly Dust: 0.10%
• Sweeping: 0.20%

10. Wastages in Simplex:
• Sliver
• Roller Waste/Bonda
• Pneumaphil Waste
• Roving Waste
• Sweeping Waste
• Clearer waste
• Invisible Waste
• Note: Above 0.50% of total amount of
wastage is not acceptable

11. Wastages in Ring Frame:
• Pneomaphil: 0.20-0.30%
• Bonda: 0.20-0.30%
• Roving waste: 0.10-0.20%
• Thread waste: 0.10-below
• Fly dust: 0.20%
• Sweeping waste: 0.20%
• Note: Total wastage is not more than
1%

12. Concept of Wastage:
• Wastage Control(Previous
Concept) = Wastage
Production+Wastage
Reduction
• Wastage Management
(Present concept) = Wastage
Production+Wastage
Utilization

13. Wastage Reduction Procedure:
• Raw materials selection
• Spindle speed
• Setting(Rollers, R/T, Traveller cleaner
etc)
• Twist of yarn
• Machinery condition
• RH% and Temperature
• Proper material handling
• Adequate supervision