Long forging machine for the forging of round or sharp-edged bars
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United States of America Patent
Stats
-
Mar 19, 1991
Issued Date -
N/A
app pub date -
Dec 8, 1989
filing date -
Jan 7, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
To permit round and sharp-edged bars to be forged down to the smallest sizes on a long forging machine without the need for tool changes, swivelling steering levers (30) with guide rams (29) carrying tools (31) are actuated at the ram ends when the steering levers (30) are in a freely movable state and the rams (29) are positively locked inside the steering levers. When the steering levers (30) are locked to the machine frame (6) and the rams (29) are guided linearly, material preforged to rounds may be finish-forged to sharp-edged bars, in which case the pairs of oppositely positioned ram-end tools (31) function as two free forging presses arranged on different vertical planes. Each tool (31) is mounted on a plate (36) movable transversely with respect to the direction of movement of ram (29) by piston and cylinder units (32, 33, 34) on the end of the ram.
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