|
|
|

|
|
|
|
|
|
  |
|

|
|
Our booklet is available as PDF file. To view, you require Adobe
Acrobat Reader. |
|
|
|
HIGH NEP COUNT |
|

|
|
|
|
- Incorrect settings between cylinder
and tops, doffer, back plate and lickerin.Refer setting chart.
- Dull cylinder and doffer wire.
- Dull or damaged tops.
- Blunt or damaged lickerin wire.
- Incorrect relative humidity
We recommend a relative humidity of 45% to 55% for cottons at
700 to 800 F and 55% to 65% for synthetics
at 800 to 900 F.
- For good carding action we recommend
30,000 to 33,000 fibres in the sliver cross section.The hank of
sliver should be chosen accordingly.
- Loading of cylinder.
|
|
|
|
DISAPPEARING WEB |
|

|
|
|
|
- Nose of undercasing too long for material being processed.
- Undercasing set too close to the cylinder. Refer setting
chart.
- Damaged or dull doffer wires.
|
|
|
|
Cloudy Web |
|

|
|
|
|
- Incorrect setting of lickerin/lickerin under-easing. Refer
setting chart.
- Damaged or blunt lickerin wire.
|
|
|
|
Excessive
Blow out at cylinder |
|

|
|
|
|
- Incorrect setting of undercasing and front cylinder plates.
Refer setting chart.
- Incorrect setting of cylinder bends.
- Correct lap width to suit card width.
|
|
|
|
flat
Strips too heavy |
|

|
|
|
|
- Wide settings of front top plate and back plate. Refer
setting chart.
- Loading of cylinder.
- Lickerin undercasing too close to lickerin.
|
|
|
|
lint
loss at lickerin |
|

|
|
|
|
- Close setting of lickerin undercasing.
- Dull or damaged lickerin wire.
|
|
|
|
web sticking |
|

|
|
|
|
- Worn out or damaged scraper blades.
- Insufficient tension on scraper blades.
- Insufficient draft between crush rolls and calender rolls.
- High crush roll pressure.
- High relative humidity.
|
|
|
|
loss in
yarn strength |
|

|
|
|
|
- High crush roll pressure.
- Incorrect choice of lickerin wire.
- Close setting of feed plate and lickerin. Refer setting
chart.
- High speed of lickerin roller.
|
|
|
|
holes in web |
|

|
|
|
|
- Accumulation of fibres on doffer end screen.
- Flocking on frame side between cylinder and doffer.
- Damaged doffer wire.
|
| |
|