Forging press with independent hammer-position adjustment and ov

Details Forging press with independent hammer-position adjustment and ov Forging press with independent hammer-position adjustment and ov

1975-03-05

1976-04-06

Lanham, C. W.

Metal deforming

With means to drive tool

Including yieldable connection in drive train to movable tool

72441, 72450, 100 53, B21J 1300

Patent

active

039480771

ABSTRACT:
The forging press has a horizontal drive shaft on which is carried an eccentric body linked to a vertical force-transmitting block whose lower surface lies at an angle to the horizontal and flushly engages the top of a horizontally reciprocal wedge whose bottom surface lies on the hammer. Interfitting ridges and grooves interconnect the wedge, the force-transmission block, and the hammer so that the hammer hangs from the wedge and the wedge from the force-transmission block. A spindle threaded into the wedge is rotatable to establish its horizontal position, and, therefore, to set the relative position of the force-transmission block in the hammer. At its other end this spindle is provided with a piston reciprocal in a horizontally extending hydraulic chamber which is maintained under a predetermined pressure. The threshold at which the wedge may slip to the side and protect the hammer from overloading is established by the pressure in this hydraulic cylinder.

REFERENCES:
patent: 2232889 (1941-02-01), Spencer
patent: 2522452 (1950-09-01), Johansen
patent: 2979975 (1961-04-01), Schloz
patent: 3041899 (1962-07-01), Benninghoff
patent: 3521475 (1970-07-01), Bothe

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