Die height adjusting device for pressing machine
AssigneesKomatsu Ltd., Komatsu Industries Corporation
InventorKenichi Teraoka
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Abstract
A die height adjusting device for a pressing machine, which withstands high vibrations and high impacts during pressing work, and is capable of realizing high precision of a slide position, is provided. For this purpose, the die height adjusting device includes an induction motor (9), which performs die height adjustment of a slide (3), and an inverter (17) which performs a speed control of the induction motor. Voltage is applied to the induction motor for a predetermined period of time, and thereby a predetermined amount of die height adjustment is performed.
Claims14
A die height adjusting device for a pressing machine, comprising:
- an induction motor which performs die height adjustment of a slide;
- and
- an inverter which performs a speed control of said induction motor.
Dependencies are inferred from the claim text.