Patterning unit of warp knitting machine and control method ther

Details Patterning unit of warp knitting machine and control method ther Patterning unit of warp knitting machine and control method ther

1997-05-28

1999-02-23

Calvert, John J.

Textiles: knitting

United needle machines

Straight

66207, D04B 2300

Patent

active

058732675

ABSTRACT:
The present invention provides a patterning unit of a warp knitting machine having a holding member with a stator of a linear pulse motor disposed thereon and a plurality of moving elements provided at arbitrary intervals on the holding member with parts of the moving elements being constructed as guide points. A control method increases reliability and accuracy of positioning the moving elements and eliminates erroneous operation such as step-out by providing a position sensor related to poles of the stator and by exciting movement of the moving elements on a step by step basis based upon positions of the moving elements. The control method includes providing the moving elements each with a linear motor coil assembly for functioning in conjunction with the stator, defining the poles, to move the moving elements along the holding member.

REFERENCES:
patent: 5295372 (1994-03-01), Kemper et al.
patent: 5307648 (1994-05-01), Forkert et al.
patent: 5311751 (1994-05-01), Winter et al.
patent: 5311752 (1994-05-01), Gille
patent: 5473913 (1995-12-01), Bogucki-Land
patent: 5502987 (1996-04-01), Zorini
patent: 5675993 (1997-10-01), Ono et al.

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