The weight of Tianmen D8 1s drawing frame is unstable.

There are many reasons for uneven and unstable weight.

Some of them are similar or related to the causes of uniformity, but others are different.

The function of drawing frame is to improve the internal structure of sliver, so as to improve its long-section uniformity, reduce uneven weight, make the fibers in sliver straight and parallel, reduce hooks and make the fineness meet the requirements. Mix different kinds or qualities of raw materials evenly to achieve the specified mixing ratio. Drawing frames are divided into two categories according to the form of drafting mechanism: roller drafting drawing frames and needle punching machines. There are many kinds of cotton drawing frames, including single eye, double eyes and four eyes.