Control method for a tufting machine

Details Control method for a tufting machine Control method for a tufting machine

1980-04-16

1981-05-19

Hunter, H. Hampton

Sewing

Elements

Frames

112 79R, 112272, 112277, D05C 1520

Patent

active

042677874

ABSTRACT:
A method of controlling a tufting machine including preestablishing a selected stitch number and a selected yarn feed length for a predetermined unit feed length of ground fabric, determining stitch number and yarn feed length for the unit feed length of ground fabric by means of measured values respectively obtained from a ground fabric feed detector, a yarn feed detector and a stitch number detector, comparing the measured values with the preestablished stitch number and the preestablished yarn feed length, and automatically controlling the rotation speeds of a spiked roller and a yarn roller respectively to correct the ground fabric feed and the yarn feed to the preestablished values whenever the measured values depart from a predetermined tolerance from the selected values.

REFERENCES:
patent: 3459143 (1969-08-01), Ellison et al.
patent: 3550543 (1970-12-01), Crawford
patent: 4123985 (1978-11-01), Fentress
patent: 4166423 (1979-09-01), Brienza et al.

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