DIE CUSHION DEVICE
First Claim
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1. A die cushion device comprising:
- a cushion pad;
a support section supporting the cushion pad;
a servomotor configured to raise and lower the support section for raising and lowering the cushion pad; and
a shock absorber device configured to relieve a shock between the cushion pad and the support section, the shock absorber device including a damping section configured to generate a reaction force in accordance with a relative speed of the cushion pad with respect to the support section.
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Abstract
A die cushion device includes a cushion pad, a support section, a servomotor, and a shock absorber device. The support section supports the cushion pad. The servomotor raises and lowers the support section for raising and lowering the cushion pad. The shock absorber device includes a damping section and relieves shock between the cushion pad and the support section. The damping section generates reaction force in accordance with the relative speed of the cushion pad with respect to the support section.
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Citations
4 Claims
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1. A die cushion device comprising:
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a cushion pad; a support section supporting the cushion pad; a servomotor configured to raise and lower the support section for raising and lowering the cushion pad; and a shock absorber device configured to relieve a shock between the cushion pad and the support section, the shock absorber device including a damping section configured to generate a reaction force in accordance with a relative speed of the cushion pad with respect to the support section. - View Dependent Claims (2, 3, 4)
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Specification