Metal deforming – By use of roller or roller-like tool-element – With work-forcer offset from – and relatively movable...
Patent
1998-11-13
1999-09-21
Hail, III, Joseph J.
Metal deforming
By use of roller or roller-like tool-element
With work-forcer offset from, and relatively movable...
72207, 72208, 2989332, B21D 908, B21B 1710
Patent
active
059539470
ABSTRACT:
Hollow cylindrical blanks of tubular stock are transformed into finished work pieces (3) in a single work stroke with a profiling tool (7) equipped with profiling rollers (30) in one tool section (8) and a die matrix (15) in another tool section (6). The two tool sections (6, 8) are coaxially movable relative to each other, for example by a press. Each profiling roller in the one tool section is rotatably mounted in a chamber and all rollers (30) are positioned circularly around a central longitudinal tool axis (34) so that a central plane of each roller extends substantially radially relative to the tool axis. The die matrix (15) in the other tool section (6) is supported on a central mandrel or arbor (14) that also supports the blank. The die matrix (15) has in its outer surface a plurality of grooves (15A) and ridges (15B) that cooperate with grooves and ridges in the profiling rollers.
REFERENCES:
patent: 3729970 (1973-05-01), Propach et al.
patent: 5447048 (1995-09-01), Tanaka et al.
patent: 5709118 (1998-01-01), Ohkubo
Butler Rodney
Fasse W. F.
Fasse W. G.
Hail III Joseph J.
Herzing & Schroth GmbH u. Co. KG
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