Several types of wastage are found during the processing of row cotton in spinning mill 12-13% wastage are produced for card process and 25-30% wastage are produced for combed process. The names of different wastage are given below,
1. Blow-room of waste = [3%]
i. Droppings-2
ii. Lap waste.
2. Carding of waste = [3-5%]
i. Droppings-1
ii. Sliver waste
iii. Vaccum waste.
3. Draw frame of waste = [0.5%]
i. Sliver waste.
4. Lap former of waste = [0.5%]
i. Lap waste
ii. Sliver waste
iii. Vaccum waste.
5. Comber of waste = [12-18%]
i. Lap waste
ii. Noils
iii. Vaccum waste.
6. Simplex of waste = [0.5%]
i. Roving waste
ii. Sliver waste
7. Ring frame of waste = [2-3%]
i. Pneumafil
ii. Hard waste
iii. Roller lapping
iv. Sweeping
v. Vaccum waste
8. Winding section of waste = [1%]
i. Hard waste.
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We know Card process waste %(15-17).
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