Method of controlling the restarting of injection molding machin

Details Method of controlling the restarting of injection molding machin Method of controlling the restarting of injection molding machin

1990-10-18

1991-07-23

Heitbrink, Jill L.

Plastic and nonmetallic article shaping or treating: processes

With step of cleaning, polishing, or preconditioning...

264 401, 2643281, 425136, 425170, B29C 4576

Patent

active

050341685

ABSTRACT:
A method of controlling an injection molding machine wherein a purging operation for changing a raw material resin, a warming up operation for warming up the machine until a condition at which a mass producing operation can be started are preset, and metal mold temperatures corresponding to successive operations and metal mold temperatures corresponding to successive purging and warming up operations are preset so as to successively perform the purging and warming up operations and then begin the mass producing operation, characterized in that at the time of restarting the injection molding machine, after removal a trouble which caused a temporal pause of the operation of the machine, a pause time and the metal mold temperature are detected from the warming up operation corresponding to the set mold temperature, the restarting being commenced in accordance with the set metal mold temperatures which vary depending upon a length of the pause time.

REFERENCES:
patent: 4421467 (1983-12-01), Richmond
patent: 4808355 (1989-02-01), Kamiyama et al.
patent: 4826418 (1989-05-01), Kamiguchi

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