Method for determining the size of the stitch loops in sock-prod

Details Method for determining the size of the stitch loops in sock-prod Method for determining the size of the stitch loops in sock-prod

1991-11-01

1995-08-15

Envall, Jr., Roy N.

Boots, shoes, and leggings

66 54, 66232, D04B 946

Patent

active

054425646

ABSTRACT:
A method for determining the size of the stitch loops in sock-production machines by means of a control unit which stores three pairs of values for each of a plurality of different types of yarns with which each of a plurality of machine zones is to be produced. Each pair of values includes the relative height and the corresponding width of the knitted product, the specific length and corresponding width of the knitted product, and the height of the stitch-formation triangles and corresponding specific length of the knitted product. The width and type of yarn is selected for each zone to be produced, and the relative height corresponding to the selected width and type of yarn for each zone is determined by the control unit by means of an equation which represents a straight line. The rotational speed and angular position of the machine cylinder is measured and fed to the control unit, which then sends signals to step motors. The value for the width stored in the control unit is derived by an autocalibration procedure which utilizes an equation which represents a straight line.

REFERENCES:
patent: 4527402 (1985-07-01), Swallow et al.
patent: 4567737 (1986-02-01), Lonati
patent: 4712390 (1987-12-01), Lonati
patent: 4934161 (1990-06-01), Guell
patent: 5016449 (1991-05-01), Negri
patent: 5174132 (1992-12-01), Brandani

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