SHERP

Analysis of the Dimensionless Torque in Cone Drum False Twisting Mechanism

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Authors
Lee, Choon Gil; Kang, Tae Jin
Issue Date
2003
Publisher
The Korean Fiber Society
Citation
Fibers and Polymers, v.4(4), pp.161-168
Keywords
Dimensionless torqueRelative velocity of friction surfaceDrag angleCone drum twisterOuter surface contactingConical angleProjected wrapping angle
Abstract
An investigation of the dimensionless torque in the newly developed cone drum twister texturing mechanism is
reported. The cone drum twister is one of the outer surface contacting friction-twisting devices in false-twist texturing. In this
cone drum twister, a filament yarn passes over the surface of the cone drum that rotates by the passing yarn without a special
driving device. This research is composed of the theoretical analysis of the false twisting mechanism and the experimental
analysis at room temperature. The equations have been derived which shows interrelationship of the conical angle of cone
drum, the wrapping angle, the drag angle, and the yarn helix angle. Theoretical values of dimensionless torque were calculated
and were compared with the experimental results. It is shown that, as the conical angle and the projected wrapping angle
increased, the dimensionless torque also increased. But the conical angle was reached to 30.75 o, the dimensionless torque
decreased.
ISSN
1229-9197
Language
English
URI
http://hdl.handle.net/10371/19116
DOI
https://doi.org/10.1007/BF02908273
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College of Engineering/Engineering Practice School (공과대학/대학원)Dept. of Material Science and Engineering (재료공학부) Journal Papers (저널논문_재료공학부)
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