Objectives of carding
Objectives of carding
- To open the tuft of fibers
- To make the fiber parallel & straight
- To remove remaining trash particles
- To remove short fibers
- To remove naps
- To produce a rove like fiber called silver, which is uniform in per unit length
Main actions of the carding machine
- Action between fee roller & taker in
- Action between taker in and cylinder
- Action between the cylinder and flat
- Action between cylinder and doffer
Useful sliver hanks of different counts:
Description |
Counts |
Count of yarns |
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:
- Taker in waste
- Flat strip
- Motes &flies
- Sliver cut
- Filter waste