Apparatus for correcting slide bottom dead center position of me

Details Apparatus for correcting slide bottom dead center position of me Apparatus for correcting slide bottom dead center position of me

1994-08-18

1996-02-27

Gerrity, Stephen F.

Presses

Automatic or material triggered control

72446, 83530, 100257, B30B 1514

Patent

active

054939593

ABSTRACT:
An apparatus for rapidly and accurately correcting the bottom dead center position of the slide of a mechanical press during the operation of the press. The apparatus includes a hollow cylindrical member, disposed between a slide and a die-height adjusting screw mechanism, that can be expanded or contracted along its axis. Also provided are a bottom dead center position setter, a bottom dead center position detector for detecting a bottom dead center position of the slide, and a force applying unit which supplies a contraction force to the hollow cylindrical member. A correction control unit controls the force applying unit to expand or contract the hollow cylindrical member in order to correct the slide bottom dead center position, so that a detected bottom dead center position coincides with the set bottom dead center position.

REFERENCES:
patent: 4377084 (1983-03-01), Kaminski

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