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Process of Lockstitch Tightening and Optimisation of Thread Working Conditions. Part II. The Trial of Optimising the Interlacement Location in the Stitch Link

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Abstract:

The high level of destruction of the sewing thread after the sewing process is the main utility disadvantage of using a thread in a lockstitch sewing machine. Using the stitch tightening model presented in the first part of this paper [1], a procedure for optimisation has been devised which allows the sewing process’ technological conditions to be shaped in such a way as to obtain the lowest possible level of thread destruction in the stitch formation zone. This theoretical modelling of stitch tightening conditions has been verified in sewing trials. As part of the conducted research, the real interlacement location in the stitch link and the degree of the thread’s strength loss related to it after the sewing process were determinated

Tags:

sewing machine, sewing thread, lockstitch, stitch tightening, interlacement

Published in issue no 1 (60) / 2007, pages 62–65.

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