The technological process of spandex coated silk and yarn
Time of Release：
2022-11-21 10:02
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The whole machine is divided into three parts: feeding spandex wire, stretching coating and loose winding. When the spindle is working, the upper and lower sets of hollow spindle are driven by the dragon belt and are transmitted back in opposite directions. The outer covering wire of the hollow spindle is drawn, twisted, and covered with the spandex core wire from the hollow spindle. The covered yarn is wound into parallel bobbin through the lead roller and the reciprocating guide.
Spandex - drafting - winding - parallel bobbin
Nylon filament - drop - twist - roll - parallel bobbin
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Spandex coated yarn is spandex cored yarn. Spandex has good elasticity, but poor wear resistance, so it is used as core yarn, and then spun into core-spun yarn or wrapped yarn with other types of fibers. Other fibers can be cotton, chemical fiber, etc
Spinning process of spandex coated yarn
In the spinning process, SpandexStretch is an important process parameter, which affects the elasticity of CoveredYarn and fabric,
The main classification of spandex
(1) Conventional spandex filament: It is a new type of fiber with many excellent textile properties, with good elasticity and elastic recovery rate, fine size, high strength, small specific proportion, excellent dyeing and fastness, etc.
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