Stepped precision winding process

Details Stepped precision winding process Stepped precision winding process

1986-03-05

1987-05-26

Gilreath, Stanley N.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

B65H 5438

Patent

active

046678891

ABSTRACT:
A method and apparatus for producing ribbon free wound yarn packages is disclosed. In accordance with the method, a textile yarn is wound into a core supported package while the yarn is guided onto the core by a traversing yarn guide. The speed of the traversing yarn guide is proportional to the rotational speed of the package to define a substantially constant winding ratio during each of a series of sequential steps of the winding operation. The speed of the traversing yarn guide rapidly increases at the beginning of each of the sequential steps to produce a stepped precision wind. During at least some of the steps of the precision wind process, the winding ratio is varied from a predetermined ideal winding ratio by a series of recurring deviations, thereby avoiding the formation of undesirable patterns on the surface of the package.

REFERENCES:
patent: 4504021 (1985-03-01), Schippers et al.
patent: 4504024 (1985-03-01), Gerhartz

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