1. To open the tuft of fibers
2. To make the fiber parallel & straight
3. To remove remaining trash particles
4. To remove short fibers
5. To remove naps
6. To produce a rove like fiber called silver, which is uniform in per unit length
Main actions of carding machine
1. Action between fee roller & taker in
2. Action between taker in and cylinder
3. Action between cylinder and flat
4. Action between cylinder and doffer
Useful sliver hanks of different counts:
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Description
|
Counts
|
|
Count of yarns
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10s
|
20s
|
32s
|
40s
|
60s
|
80s
|
|
Hank of carded sliver
|
0.125
|
0.125
|
0.13
|
0.135
|
0.145
|
0.165
|
Wastage in carding:
1. Taker in waste
2. Flat strip
3. Motes &flies
4. Sliver cut
5. Filter waste