Abstract
In this work the yarn tension was measured during withdrawing the yarn from stationary cops. The value of yarn tension was measured under the effect of the following parameters: - Distance between cops and yarn guide (without using balloon breaker) - Type of balloon breaker - Linear density of yarn The value of yarn tension during direct unwinding from cops can be reduced by varying the distance between cops and yarns guide. It was found that the small distance between cops and yarn guide is suitable, since the level of yarn tension is low. In case of using balloon breaker the value of yarn tension can be reduced by using a balloon breaker with triangular cross section.
Highlights
In this work the yarn lenSlOn wa5 measured durin~ wllndrawlrtg tne yarn trom stationary cups" Tht: value of yarn tension ""as measured under the e !fect of the !ellOWlng parameters :
The ~a!ue of yarn tension during direct unwinding Irom cops can be reduced by varyir,g tne di~!anc:e bel"ween cop,> lind yarn guide. [t was found that the small dis(ance between cops and y.:lrn £uide i~ 5.1itiilble, since the level ot yarn lension is low
In case of using balloon breaker the value of yarn tension can be reduced by using a balloon breaker '4i\f!"l Irlangular c:ro~s section
Summary
In this work the yarn lenSlOn wa5 measured durin~ wllndrawlrtg tne yarn trom stationary cups" Tht: value of yarn tension ""as measured under the e !fect of the !ellOWlng parameters :. The y.:lrn pas.'!es through the balloon breaker to reduce Ihe value of yarn tension. Ne 20 Ne )0 Ne 50 maximum value 01 yarn tenSion a t the base of cops (eN)
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