Controller of injection molding machine

Details Controller of injection molding machine Controller of injection molding machine

2006-12-19

2006-12-19

Mackey, James P. (Department: 1722)

Plastic article or earthenware shaping or treating: apparatus

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

Molding pressure control means responsive to pressure at...

C425S150000, C425S169000, C425S593000

Reexamination Certificate

active

07150619

ABSTRACT:
A crosshead position Cf for obtaining a set mold clamping force is obtained based on a mold touch position Ct obtained in mold clamping process in immediately preceding molding cycle, and a crosshead is allowed to move to the position Cf. During that time, it is determined whether a load La of a servomotor for mold clamping operation which drives a toggle mechanism exceeds a judgment load Ls, and a crosshead position Ca when the load La exceeds the judgment load Ls is stored as a mold touch position. In the next molding cycle, a crosshead position Cf where the set mold clamping force is obtained is obtained based on this stored mold touch position.

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EP Search Report for corresponding application EP 05 25 2584.7-2307 dated Sep. 9, 2005.

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