Computer controlled tufting machine and a process of controlling

Details Computer controlled tufting machine and a process of controlling Computer controlled tufting machine and a process of controlling

1989-08-01

1991-01-01

Schroeder, Werner H.

Sewing

Special machines

Embroidering

112 8073, 1122662, D05C 1514

Patent

active

049810910

ABSTRACT:
A tufting machine is provided with separate motors which drive the main drive shaft, control the feed of the backing material and control the bedrail height. A computer is electrically connected to these motors and to the yarn feed controls. The software indicates patterns to be produced, informing the computer to control the number of stitches per inch of backing, the weight of face yarn per square yard, the pile height, the amount of yarn fed to the needles and the linear length of carpeting produced. The computer also dictates the schedule by which prescribed lengths of additional patterns are produced by the tufting machine and can control a number of such tufting machines. When the pile height is to be changed, the computer automatically controls the main motors for rocking the main shaft, to reciprocate the needles while controlling the yarn feed controls and the motor to the bedrail.

REFERENCES:
patent: 2818037 (1957-12-01), McNutt
patent: 2840019 (1957-12-01), Beasley
patent: 2932181 (1960-04-01), MacCaffray
patent: 4267787 (1981-05-01), Fukuda
patent: 4430870 (1984-02-01), Winter et al.
patent: 4682554 (1987-07-01), Goto et al.
patent: 4722288 (1988-02-01), Nomura et al.
patent: 4738209 (1988-04-01), Yanage et al.

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