Method for vibration damping of workpiece transport device drive

Details Method for vibration damping of workpiece transport device drive Method for vibration damping of workpiece transport device drive

1995-07-21

1997-12-02

Poon, Peter M.

Spring devices

Resilient shock or vibration absorber

Tool movement dampening

B23Q 700

Patent

active

056927363

ABSTRACT:
A method serves to actively perform vibration damping of driven elements of workpiece transport devices in and on shaping machines, especially presses and punches. A measured state value of the driven element or one reconstructed by an observer is determined. The state value is then entered into a damping regulator which affects the drive of the driven elements. A damping regulating circuit is provided in addition to a position regulating circuit.

REFERENCES:
patent: 3552271 (1971-01-01), Suggs
patent: 4101009 (1978-07-01), Hehl et al.
patent: 4198845 (1980-04-01), Sofy
patent: 4858459 (1989-08-01), Takahashi
patent: 5020781 (1991-06-01), Huang
patent: 5255764 (1993-10-01), Kurabayashi et al.
patent: 5374025 (1994-12-01), Whelpley et al.

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