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Cards reduce sliver evenness

Author:Xinjinlong Machinery-Fabric Recycling Machine Manufacturer

(A) The small roll configuration is drawn correctly under tension to avoid the barrel volume prior to mentioning that the drafting tension between the roll and the lap roller should be kept to a minimum. Carding machines are used to process cotton fibers and chemical fibers and belong to textile machinery. According to the spinning process, carding is an important process.

The front process of the carding machine is the opening and cleaning machine, and the latter process is the drawing frame (carding process) or the sliver coiler (combing process). Grinder A spinning machine that turns fiber strands into rovings. The main function is to draft and twist, and to wind the roving into a certain package to meet the processing requirements of the spinning frame.

The structure of the double twisting unit of the double twisting machine mainly includes the spindle braking device, the spindle part of the double twisting machine, the yarn winding device, and the special device of the double twisting unit. The lap tension change gear selection should be quantified with a small volume, the size and severity of the pressure roller to the cotton belt, and the note when the ratchet rack is out of control, so the drain support. (2) Adjusting the tension of the cotton web for drafting The tension of the cotton web increases the size of the drafting system, which should be determined according to the quantitative analysis of the cotton timidity and the small volume.

The size of the horn head on the car surface is related to the tension and distribution between the cotton net and the car noodles. If the diameter of the loudspeaker keeps decreasing, the tension of the cotton net will be loose, while the tension of the car sliver will be tight. On the contrary, the tension of the cotton net will be large. However, the tension of the sliver gradually decreased. In the case of no wrinkling, the different drafts of the cotton web should be as small as possible to improve the uniformity of the tampon. (3) Control the tension of the sliver on the surface of the carding locomotive to draw the sliver on the surface. Under the principle of no sliver, a relatively small tension is used to draw the sliver, which is beneficial to the sliver.

The car surface tension is adjusted by the rear roller head gear, and the appropriate diameter of the car surface horn head is selected to reasonably and effectively distribute the tension between the cotton net and the car surface sliver. (4) Correctly select the gap between the pressure of the top roller of the carding machine and the pulling middle roller. When the heavy-quantity small roll and long feeding process are used, the drafting system part has a large drafting force, and the pressure of the top roller must be continuously increased. . In this case, it is advisable to press 16-18 kg at each end of the front and rear leather rollers, and the pressure of the rear leather should be heavier than that of the front leather reel, because the rear leather reel must be responsive to the ointment periodically. The sliver must have a sufficient grip so that it will not be dragged away by the front spokes and cause another sliver to deteriorate.

The distance between the drawing rollers of the carding machine should be determined in accordance with the fiber length, the pressurization of the top rollers and the quantitative feeding of the brocade. When the amount is large, the carding degree is poor, and the sliver pressure is light, the distance between the idlers can be appropriately increased to avoid uneven traction. (5) Adjust the separation time of the separation roller according to the fiber length, and correct the separation joint time.

For example, when processing long cotton, choose an earlier timing of the forward transfer to avoid hooks on the fiber head, and when processing short fibers, the timing of the forward transfer can be slightly farther to increase the length of the joint and improve the quality of the cotton web. Properly adjust the closing time of the forceps lip implantation so that the forceps lip does not affect the movement of the barbel plexus. (6) The lap strips form a single garden comber belt, due to the increased number and the proximity of the car return strips, the combing strips can remove all the sentences have been significantly improved, and the Samin uniformity without general sentences can be made by about 20 % reduction, in addition, a single PO strip is combed, whereby the increased rear shape of the grounded float facilitates the action of the gear joint, the disadvantage is that it increases the OH number with the article briefly LA, and must use an adaptive means of phase supply, such as an overhead pole or Formula bar formula internet.

(7) Correctly use the state of mechanical equipment to eliminate rollers, bending, eccentricity and leather brocade bending, concave and insufficient elasticity, and the drafting gear should be prevented from being indelible, defective and poorly fitting.


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