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Influence of Machine Variables on Two-Strand Yarn Spinning Geometry

Department of Mechanical Engineering, China Textile University, Shanghai, 200051, People's Republic of China

Zhijie Cai

Department of Mechanical Engineering, China Textile University, Shanghai, 200051, People's Republic of China

Yichen Zhang

Department of Mechanical Engineering, China Textile University, Shanghai, 200051, People's Republic of China

Strand convergence angle and strand twist above the convergence point constitute the primary yarn formation condition in two-strand yarn spinning. In order to assess the strand convergence angle and strand twist during spinning, dual-coloured multi filament yarns were fed directly from the front rollers of a ring frame run in a wide range of conditions. A photographic procedure was used to investigate the two-strand yarn spinning geometry and the influences of main machine variables, the spinning tension, the ply yarn twist, and the strand space at the front roller nip.

Textile Research Journal, Vol. 63, No. 2, 116-120 (1993)
DOI: 10.1177/004051759306300208


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