Automatic bending machine

Details Automatic bending machine Automatic bending machine

1981-01-08

1983-06-07

Crosby, Gene

Metal deforming

With means to drive tool

Including yieldable connection in drive train to movable tool

72450, 100254, 100282, B21J 910

Patent

active

043865160

ABSTRACT:
In an automatic bending machine, a plurality of bending tools are arranged around a central working station. Each bending tool is fastened at a slide unit which is operated for reciprocating motion by a driving device. All driving devices are provided with a driving shaft respectively and all driving shafts are in gear engagement with a common central wheel. Each driving device comprises a sealed housing filled with oil and the driving shaft is a crankshaft co-operating with a reciprocating slide via a connecting rod. The slide consists of a pair of slide pieces connected with one another by a lost motion arrangement, the stroke of which can be adjusted from the outside of the housing. The driving device can be used in high speed machines making for example 8,000 strokes per minute and more.

REFERENCES:
patent: 2550064 (1951-04-01), Ward
patent: 2562643 (1951-07-01), Saxer
patent: 2562644 (1951-07-01), Saxer
patent: 3052277 (1962-09-01), Stegmann
patent: 4026207 (1977-05-01), Gailus

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