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Technical information: Flexible card clothing erection instruction

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Technical information: Flexible card clothing erection instruction
Technical information: Flexible card clothing erection instruction

The following instructions are approximate as the mounting of flexible card clothing is greatly influenced by the experience of the technician in charge, by the type of mounting device, the environmental conditions and other factors. Below are some general recommendations on the fitting and mounting of flexible card clothing.

We would also like to remind all our customers that our company is available to give a mounting and flexible card clothing maintenance service (top and side grinding and brush polishing) with our specialized technicians with competitive conditions.

Generally speaking in order to erect new flexible card clothing the main operations are as follows:

  1. Remove the existing card clothing;
  2. Carefully clean the surface of the naked roller with some emery band paper, by turning it at normal speed;
  3. Check that all the mechanical parts, such as bearings, bushes, rings, etc. are in good working conditions;
  4. Fit the mounting device on the carding set or on the bench (the technician has to be sure that the equipment is in good mechanical working condition, that the mounting tension bar flexibility is acceptable, that the tension measuring device of the mounting tension bar gives correct information, and that the winch is correctly functioning);
  5. Carefully spread the surface of the cylinder with a very thin film of linseed oil. It is important that the oil amount is uniformly distributed on all the surface of the cylinder. In order to achieve this target every erector has his own system, we suggest to use a piece of nylon fabric ( e.g. about 1 meter wide and 2 meters long for swift and doffer) and cover partially the roller after dropping the oil on its surface. Then the roller should turn and the nylon will help to achieve uniform oil distribution. It is important to let the roller turn until the very beginning of the mounting operation, otherwise the oil will pour downwards and there will be parts with different oil thickness;
  6. Begin to mount the card clothing according to the technician's experience, we have reported at the end the list of our suggested erection tensions;
  7. In order to achieve a good result it is important not to stop the winding of the card clothing on the roller until completion, in order that it is as regular as possible.
  8. As soon as the fillet is fitted, clean it with a cleaning card (take special care during this operation if the fillet is on felt foundation);
  9. Make a grinding operation very softly by hand, with a hand grinding stone in order to equalize the various spirals of the fillet ;
  10. Clean one more time the fillet teeth with a vegetable brush.

Suggested erection fillet tension (this also depends on the mounting device available ):

  • Foundation on 9 ply felt or rubber (swift of the 1st carding group): approx. 4/4.5 Kgs. per each mm. of fillet width. For example if the fillet is 60 mm. wide, the erection tension should be approx. 270 kgs.
  • Foundation on 7 ply felt or rubber (if swift): approx. 3,5/3,8 Kgs. per each mm. of fillet width.
  • Foundation on 7 ply felt or rubber (for all the other rollers, besides the swifts): approx. 3.2/3.5 Kgs. per each mm. of fillet width.
  • Foundation on 5 ply rubber (for fancy rollers): approx. 2.5 Kgs. per each mm. of fillet width.
Pub Time : 2018-08-28 15:38:18 >> News list
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Nantong Rotex

Contact Person: Mr. Tony Wu

Tel: 86-183-6216-4511

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