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Title: Mechanics of 1×1 rib loop formation on a dial and cylinder machine: Part I- Modelling of the 1×1 rib loop formation process
Authors: Ray, Sadhan Chandra
Banerjee, P K
Keywords: Cam force;Cylinder knitting point;Cylinder needle;Dial knitting point;Dial needle;Knitting zone;Loop length;2-Needle delayed timing;Yarn tension
Issue Date: Jun-2003
Publisher: NISCAIR-CSIR, India
Abstract: The simulation of the 1×1 rib loop formation process on a dial and cylinder machine has been dealt with. Various concepts such as geometry of knitting zone, wrap angles, loop arm configurations under various stages of loop formation, etc. of the 1×1 rib loop formation have been developed. Six different types of loop arm configuration have been observed under both synchronised and two-needle delayed timings. The number of segments in each loop arm varies from 3 to 7 depending upon the stage of loop formation. The conditions of yarn flow, both forward and backward (robbing back), during loop formation have been derived.Finally, the whole process of loop formation under both synchronised and two-needle delayed timings has been modelled with the help of computer using PROFORT. The developed model can predict loop length and yarn tension profile inside knitting zone for any combination of input parameters.
Page(s): 185-196
ISSN: 0975-1025 (Online); 0971-0426 (Print)
Appears in Collections:IJFTR Vol.28(2) [June 2003]

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