Parts mounting apparatus

Details Parts mounting apparatus Parts mounting apparatus

1992-09-23

1994-05-03

Vo, Peter Dungba

Metal working

Means to assemble or disassemble

With control means energized in response to activator...

29739, 29743, 29DIG44, B23P 2100, B23P 1904

Patent

active

053075587

ABSTRACT:
In a parts mounting apparatus, suction nozzles are mounted on a rotating carrier driven by a motor. With rotation of the rotating carrier, parts are sucked by the nozzles at a feed station and carried to a mounting station where the parts such as electronic parts are mounted on substrates, for example. A counter counts output pulses from an encoder mounted in the motor driving the rotating carrier. A microcomputer determines the rotational speed and rotational position of the rotating carrier from the count value of the counter. Based on the result of the determination, the microcomputer calculates a timing for delivering a signal for switching the nozzles between two different pneumatic states.

REFERENCES:
patent: 4793707 (1988-12-01), Hata et al.
patent: 4951383 (1990-08-01), Amao et al.
patent: 5033185 (1991-07-01), Hidese
patent: 5060366 (1991-10-01), Asai et al.
patent: 5234304 (1993-08-01), Okumoto et al.

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