Method of setting up apparatus for handling electrical or electr

Details Method of setting up apparatus for handling electrical or electr Method of setting up apparatus for handling electrical or electr

1989-01-11

1991-03-12

Smith, Jerry

Boots, shoes, and leggings

358101, G05B 106

Patent

active

049997645

ABSTRACT:
A setting-up plate is mounted on an X-Y table of a component placement machine. The plate has an array of fiducial marks thereon whose positions are accurately known. A control system drives the table by an amount which should bring each mark in turn to a reference point of a detecting device. The detecting device detects the actual position of the mark relative to the reference point. Errors in the table drive are thereby detected and can be allowed for.

REFERENCES:
patent: 3988535 (1967-10-01), Hickman et al.
patent: 4233625 (1980-11-01), Altman
patent: 4342090 (1982-07-01), Caccoma et al.
patent: 4638232 (1987-01-01), Stridsberg et al.
patent: 4651203 (1987-03-01), Peterson

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