Operating time analyzing apparatus for an injection molding machine

Abstract

An operating time analyzing apparatus capable of automatically determining, storing, and analyzing the operating time of an injection molding machine for each operating condition. This apparatus detects the operating conditions of the injection molding machine through internal processing with a PMCCPU 14 for the sequence control of the injection molding machine. While specific operating conditions are detected, fine times .DELTA.t, execution cycles of the internal processing, are added in succession. By doing this, integrated time for each operating condition, that is, operating time for each operating condition, is calculated. This operating time is stored in a nonvolatile RAM 8 for each operating condition of the injection molding machine through the processing by the PMCCPU 14. The respective time-based ratios of the individual operating states and the like are calculated on the basis of the correlation between the operating times stored for the individual operating conditions, and displayed, along with the operating times for the individual operating conditions, with a CRT display unit of a manual data input device 18 corresponding to the operating conditions of the injection molding machine.

Dependencies are inferred from the claim text.