Method for the diameter confirmation of drills in a PWB machine

Details Method for the diameter confirmation of drills in a PWB machine Method for the diameter confirmation of drills in a PWB machine

1991-01-07

1993-05-04

Smith, Jerry

Boots, shoes, and leggings

36447437, 36455102, 483 12, 483 10, G01B 712

Patent

active

052087611

ABSTRACT:
A method is provided for the confirmation of the diameters of plural drills of different diameters in a PWB working machine in which the drills are interchangeably mounted to perform drilling. The method comprises storing, with respect to each of the drills, data on whether or not the drill has already been used, checking the data of one of the drills upon drill replacement, and measuring the diameter of the drill only where the drill has not previously been used.

REFERENCES:
patent: 4404506 (1983-09-01), Nishimura et al.
patent: 4567659 (1986-02-01), Kitamura
patent: 4616322 (1986-10-01), Niwa et al.
patent: 4809426 (1989-03-01), Takeuchi et al.
patent: 5046014 (1991-09-01), Anjo

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