Injection molding machine having selectively controllable motors

Details Injection molding machine having selectively controllable motors Injection molding machine having selectively controllable motors

1988-12-14

1989-11-07

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

Control means responsive to or actuated by means sensing or...

Article ejector or stripper control

264 405, 425145, 425150, B29C 4580

Patent

active

048788244

ABSTRACT:
In an injection molding machine having at least four motors (18 to 21) and a control section (22) for controlling the four motors to carry out a predetermined injection molding process divided into a plurality of steps, the four motors are grouped into first and second groups so that the motors of each group have driving durations which are not overlapped with one another and which may be overlapped with those of the motors of another group. The control section has first and second control unit (24 and 25) coupled to the first-group motors and the second-group motors for individually and selectively controlling the first-group motors and the second-group motors.

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