Multi-spindle textile machine monitoring process and apparatus

Details Multi-spindle textile machine monitoring process and apparatus Multi-spindle textile machine monitoring process and apparatus

1988-04-11

1990-03-20

Petrakes, John

Textiles: spinning, twisting, and twining

Apparatus and processes

Monitor and control

57 81, 57265, 340677, D01H 1316, D01H 1322, D01H 1332

Patent

active

049090275

ABSTRACT:
Successive groups of thread paths in multi-spindle textile apparatus are equipped with individual monitoring systems. In each system, a joint monitoring element (S,E,L) is provided which has a bundle of rays (L). The latter is moved transversely to the thread running direction, passes thereby over the production points (1-8) arranged in rows and is interrupted or attenuated at each production point by the respective thread. The shading of the bundle of rays caused thereby is assessed as criterion for the presence of the thread concerned.
The process makes possible an on-line production and quality monitoring on multi-spindle textile machines, for example ring spinning frames, with a reasonable expenditure.

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