Back to results
US 12,168,317 B2Granted
Control device for injection molding machine
AssigneeSumitomo Heavy Industries, Ltd.
InventorHajime Ono
Life of this patent
Estimating the term…
Abstract
The present disclosure prevents load from being produced in an injection molding machine. The control device for an injection molding machine according to one embodiment of the present disclosure has a determining part that is configured to determine, based on information detected in accordance with a movement of a measurement motor provided in the injection molding machine, whether or not an operation of removing or attaching a screw that rotates in accordance with the measurement motor has been performed.
Claims7
A control device for an injection molding machine, the control device comprising:
- a detecting part configured to detect a rotation position of a measurement motor,
- a storage part configured to store a first rotational position indicating a rotational position of the measurement motor when control of the measurement motor is stopped,
- a determining part configured to determine, based on the first rotational position and a second rotational position indicating the position of the measurement motor when the control of the metering motor is turned on, whether or not an operation of removing or attaching a screw that rotates in accordance with the measurement motor has been performed between a time when the control of the measurement motor is stopped and the time when the control of the measurement motor is turned on.
Dependencies are inferred from the claim text.