Injection molding machine diagnostic system

Details Injection molding machine diagnostic system Injection molding machine diagnostic system

1982-03-11

1983-12-20

Czaja, Donald E.

Plastic article or earthenware shaping or treating: apparatus

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

Means responsive to abnormal condition completely stop...

425138, 425150, 425169, 425170, 425171, 425173, B29G 500

Patent

active

044214677

ABSTRACT:
A system for diagnosing fault conditions in an automatic or semiautomatic machines, such as injection molding machines. The diagnostic system comprises a display panel having a plurality of lights or other visual indicators grouped in sets for the respective subsequences of the machine cycle, and if no fault conditions occur and the machine cycles properly, the sets of lights will be energized in succession so that the operator is continuously apprised of the condition of the machine. If a fault condition should occur, one or more of the lights in the set corresponding to the subsequence that the machine is presently implementing will not be energized, and the pattern of energized lights in that set is coded to the particular fault condition that has occurred. By correlating the code with a fault code listing, the operator can quickly identify the location and nature of the malfunction.

REFERENCES:
patent: 2340673 (1944-02-01), Lotz
patent: 2786234 (1957-03-01), Beyer
patent: 3454990 (1969-07-01), Collins
patent: 3553786 (1971-01-01), Bentley
patent: 3628901 (1971-12-01), Paulson
patent: 3647309 (1972-03-01), Thompson
patent: 4146601 (1979-03-01), Bishop
HPM Tech. Data, Injection Molding MACO IV Control Brochure.

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