Inching drive system for a mechanical punch press

Details Inching drive system for a mechanical punch press Inching drive system for a mechanical punch press

1995-04-19

1997-02-18

Jones, David

Metal deforming

With means to drive tool

With means to selectably control movement of tool

72449, 100257, B21J 732, B21J 918

Patent

active

056032374

ABSTRACT:
An inching drive system for a mechanical press including a hydraulic motor and gear mechanism, that engages the flywheel of the press. The hydraulic motor is mounted for rectilinear movement toward and away from the flywheel for selective engagement therewith and includes a gear that meshes with teeth on the periphery of the flywheel. A separate hydraulic piston/cylinder arrangement moves the inching drive system into and out of engagement with the flywheel.

REFERENCES:
patent: 2755687 (1956-07-01), Danly
patent: 3687069 (1972-08-01), Helrigel
patent: 3720296 (1973-03-01), Ohno
patent: 3797623 (1974-03-01), Gregorovich et al.
patent: 3841140 (1974-10-01), Hryc
patent: 3859863 (1975-01-01), Howlett
patent: 4039060 (1977-08-01), Williams
patent: 4790174 (1988-12-01), Wendland
patent: 5199290 (1993-04-01), Kashiwagi
Eary and Reed, "Techniques of Pressworking", second edition, pp. 238 and 239 1974.

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