
Distinguish between carding action & stripping action
Carding action |
Stripping action |
1. Two surfaces wire point are inclined in opposite direction. | 1. Two surfaces wire point are inclined in same direction. |
2. Their speed direction is opposite. | 2. Their speed direction is same. |
3. It occurs between flat & cylinder. | 3. It occurs between taker-in& cylinder. |
4. As in this action two surfaces are in opposite direction. So minimum amount of fibre stay in lower speed surface. | 4. As in this action two surfaces are in same direction. So no amounts of fibre stay in lower speed surface. |
5. Fibres are mainly individualized by this action. | 5. Cleaning is done by this action. |
Distinguish between carding action & Doffing action
Carding action |
Doffing action |
1. Two surfaces wire point are inclined in opposite direction & their speed direction is also opposite. | 1. Two surfaces wire point are inclined in opposite direction but Their speed direction is same. |
2. The speed difference between two surfaces is more. | 2.The speed difference between two surfaces is less then carding. |
3. It occurs between flat & cylinder. | 3. It occurs between cylinder & doffer. |
4. Minimum amount of fibre stay in lower speedy surface. | 4. Some fibres stay in lower speedy surface. |
5. Fibres are mainly individualized by this action. | 5. Sliver formation is done by this action. |