Metal deforming – By use of tool acting during relative rotation between tool... – During rotation of work
Patent
1983-12-27
1985-10-08
Larson, Lowell A.
Metal deforming
By use of tool acting during relative rotation between tool...
During rotation of work
72244, 72462, B21B 3104
Patent
active
045452300
ABSTRACT:
A rotary forming machine assembly including a lower base (12) and a pair of spindle housings (14) including front (16) and rear (18) walls. The housings (14) are movably mounted on the base (12) for movement toward and away from one another. A tool spindle (20) is rotatably mounted between the front (16) and rear (18) walls of each of the housings (14) for rotation about spaced axes (B) to form a workpiece therebetween. The invention includes a deflection control bar (26) extending between and interconnecting the front walls (16) of the spindle housings (14). The control bar (26) limits the distance apart the (B) axes of the tool spindles (20) may move at the front walls (16) in response to the forming of a workpiece (22) between the tool spindles. The control bar is adjustably supported on the front walls (16) for selective movement in a direction parallel to a plane intersecting the axes (B). A dual thickness adjuster member (118 ) includes a rectangular thickness (148) slidably disposed within a rectangular groove (114) formed in the front walls (10) and a trapezoidal thickness (154) slidably disposed within a recess (112) formed in the control bar.
REFERENCES:
patent: 2932996 (1960-04-01), Yamamoto
patent: 3516276 (1970-06-01), Bond
patent: 4045988 (1977-09-01), Anderson
patent: 4322961 (1982-04-01), Greis
Anderson-Cook Inc.
Larson Lowell A.
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