Device and method for detecting position of edge of cutting tool

Details Device and method for detecting position of edge of cutting tool Device and method for detecting position of edge of cutting tool

1992-03-27

1994-07-12

Smith, Jerry

Boots, shoes, and leggings

36447417, G06F 1546

Patent

active

053294580

ABSTRACT:
A device for detecting a position of an edge of a cutting tool includes a reference plate positioned to form a slit between the edge of the cutting tool and the reference plate. The slit extends in a direction transverse to the longitudinal direction of the cutting tool. A laser light source is provided to irradiate a laser light to the slit. A detecting device detects a diffraction pattern created through diffraction of the laser light by the slit. A processing device is provided to determine the position of the edge of the cutting tool based on an output signal of the detecting device.

REFERENCES:
patent: 3812376 (1974-05-01), Takeyama et al.
patent: 4601581 (1986-07-01), Covey et al.
patent: 4854707 (1989-08-01), Ring et al.
patent: 5024527 (1991-06-01), Harrison
patent: 5070250 (1991-12-01), Komatsu et al.
patent: 5171999 (1992-12-01), Komatsu et al.
Precision Engineering, Oct. 1989 vol. 11 No. 4, "Computer vision based station for tool setting and tool form measurement", T. D. Doiron, pp. 231-238.

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