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Warp knitting machine: core manufacturing equipment in textile field

In the large and complex system of the textile industry, the warp knitting machine occupies a vital position and is the key to the production of high-quality fabrics. Next, let us analyze the many key points of the warp knitting machine in a comprehensive and in-depth manner.

2024

What is the working process of cotton baler?

Check whether the appearance of the cotton baler equipment is abnormal and whether there is a safety hazard around (do not put intestinal convection items or other foreign objects near the machine). After confirming that it is normal, turn on the load switch of the electric control box, turn the key switch to the open gear, and release the emergency stop button. The electrical control box power indicator lights up.

2024

Common weaving equipment in weaving mills

Woven fabric weaving flow chart: the whole warp yarn, and axis of the overall pass through the reed adjustment machine, weaving blank cloth test (some fabrics yarn also need to twist, before weaving, yarn to get the twist on the twisting machine)

2024

Test and control method for quantitative sliver

The control of the cotton (or chemical fiber blended) strip ration, I .e. the average dry weight (g/5m) of the spun sliver, is an important measure to ensure the quality of the yarn and reduce the breakage rate. There are two kinds of control and adjustment range of sliver ration: one is the control of sliver ration of each eye sliver of a single machine, and the other is the control of sliver ration of all machines spinning the same linear density.

2024

Causes of card cloth injury and management measures

The main reason is that there is wire in the cotton roll or cotton layer, which is hard and miscellaneous;

2024

Guidelines for the configuration of the number of process lanes in the parallel, roving and spinning processes.

In the general combing system, the number of process lanes for merging and roving shall follow the "odd number criterion", I .e. the number of equipment lanes between carding and roving processes shall be configured according to odd numbers, such as "two parallel lanes and one roving". Since the back hook fibers are mostly in the carding sliver (about 50%), many back hook fibers can be straightened during drafting on the spinning frame after adopting the "odd number criterion. Rotor spinning generally uses two parallel process. In order to improve the quality of polyester-cotton blended yarn, a polyester pre-drawing is often used to reduce the unevenness of the weight of the polyester strip, improve the accuracy of the blending ratio, and improve the straightening parallelism of the fibers in the polyester strip. After combing, the cotton sliver can remove lint and knots, straighten the fibers, and make the yarn smooth and clean. Then mix the polyester sliver and the cotton sliver three times to ensure sufficient mixing. Sometimes, in order to mix well, the process of "three parallel strips and one roving" is also used.

2024

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