Apparatus for controlling the opening and closing of a work clam

Details Apparatus for controlling the opening and closing of a work clam Apparatus for controlling the opening and closing of a work clam

1991-11-25

1994-02-08

Smith, Jerry

Boots, shoes, and leggings

36447402, 36447409, 3644743, 83 13, G05B 1101

Patent

active

052853730

ABSTRACT:
An apparatus for controlling the opening/closing of a mechanism for clamping a work machined by a numerically controlled machine tool, comprising a driver for the clamping mechanism. The apparatus controls the opening/closing of the clamping mechanism on the basis of measured data on the distance of a main shaft provided in the machine body from the origin position of the machine, measured data on the moving speed of the main shaft, coordinate values of a clamp pawl of the clamping mechanism and data on a region where the clamping mechanism is opened.

REFERENCES:
patent: 4471676 (1984-09-01), Mason
patent: 4523749 (1985-06-01), Kindgren et al.
patent: 4651601 (1987-03-01), Sasaki
patent: 4866630 (1989-09-01), Beaman et al.
patent: 5161289 (1992-11-01), Adams et al.

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