Metal deforming – By use of tool acting during relative rotation between tool... – During rotation of work
Patent
1982-07-08
1984-08-28
Crane, Daniel C.
Metal deforming
By use of tool acting during relative rotation between tool...
During rotation of work
72420, 72426, 279 2A, B21D 1704
Patent
active
044676310
ABSTRACT:
Thin-wall sleeve splining apparatus (10) is disclosed as including a loader (22) having a radially expandable mandrel (24) which is inserted within a dual ended thin-wall sleeve (14) to secure the sleeve in preparation for splining one of its ends (12,16). A rotatable loading spindle (26) supports the expandable mandrel (24) and is moved by an actuator (28) to position the sleeve over a toothed mandrel (20) whereupon a pair of toothed dies (18) are moved in opposite directions to mesh die and mandrel teeth with the sleeve therebetween to form the thin-wall splines. After the splining, the actuator (28) moves the loading spindle (26) away from the toothed mandrel (20) for unloading of the splined sleeve. In the preferred construction of the apparatus, the toothed forming dies are embodied by elongated die racks (18) that are slidably mounted by upper and lower bases (32,34) of a splining machine (30). An external collet (110) of the expandable mandrel (24) is radially expanded and contracted by a hydraulic operator (118) to provide clamping and unclamping of the sleeve. Two expandable mandrels (24,24') are disclosed to provide splining of both ends of the sleeve (14).
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patent: 4383428 (1983-05-01), Jungesjo
Anderson-Cook Inc.
Crane Daniel C.
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