Method and device for regulating yarn linear density and blending ratio by three-component synchronous drafting
A technology of linear density and blending ratio, which is applied to drafting equipment, yarns, spinning machines, etc., can solve the problems of poor pattern reproducibility and the inability to randomly adjust the yarn blending ratio online
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[0067] Specific embodiments of the present invention will be described below in conjunction with the accompanying drawings.
[0068] Such as Figure 1-5 As shown, a method for regulating yarn linear density and blending ratio by three-component synchronous drafting specifically includes:
[0069] 1) The drafting and twisting system includes a primary drafting unit and a secondary drafting unit arranged in front and rear;
[0070] 2) The primary drafting unit includes a combined rear roller 11 and a middle roller 3; the combined rear roller 11 has three rotational degrees of freedom, including the first rear roller 5, the second rear roller 7 and the second rear roller arranged side by side on the same rear roller shaft. The third rear roller 9; the secondary drafting unit includes the front roller 1 and the middle roller 3. 4 is the top roller corresponding to the middle roller 3, and 6, 8, 10 are the three top rollers corresponding to the three rear rollers. 2 is the top ro...
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