Electric heating – Metal heating – By arc
Patent
1982-09-20
1985-05-14
Albritton, C. L.
Electric heating
Metal heating
By arc
242 755, B23K 2700
Patent
active
045174369
ABSTRACT:
A machine for marking articles of manufacture such as electronic components is disclosed. The machine has a plate like frame disclosed generally in a vertical plane. The articles to be marked are supported on a backing strip and a cover strip is attached to the backing strip. The strip assembly is wound on a feed roll supported on the machine and as the strip assembly unwinds from the feed roll the backing strip and components are separated from the cover strip by two spaced rolls. The cover strip then passes around another idler roll to the take-up roll. The backing strip and components pass under a dancer roll and then under a laser where they are marked, then under another dancer roll back to the cover strip where the backing strip and cover strip are joined and re-rolled on a take-up roll. The feed reel and take-up reel are both driven by individual motors and a potentiometer is supported on the back of the machine and the dancer rolls are connected to the potentiometer so that as the motors increase tension on the strip the dancer rolls are lifted moving the movable contact of the potentiometer on it and connecting more resistance into the motor circuit whereby the motors are slowed down and thereby even tension is maintained on the strip as the strip assembly is fed off of the feed reel and wound onto the take-up reel thereby increasing the diameter of the strips rolled on the take-up reel. A micrometer adjustment is provided for adjusting the position of the strip and articles under the laser.
REFERENCES:
patent: 2259242 (1941-10-01), Cook
patent: 2990484 (1961-06-01), Jones
patent: 3318546 (1967-05-01), Bejack
patent: 3424392 (1969-01-01), Veto et al.
patent: 3535441 (1970-10-01), Grace
patent: 3672600 (1972-06-01), Carlson et al.
patent: 4030131 (1977-06-01), Beiter et al.
patent: 4307282 (1981-12-01), Gappa
patent: 4370542 (1983-01-01), Mills et al.
Albritton C. L.
Automated Industrial Systems
Lovercheck Charles L.
Lovercheck Dale R.
Lovercheck Wayne L.
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