Wheel-body forming apparatus
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United States of America Patent
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-
Apr 25, 1989
Grant Date -
N/A
app pub date -
Oct 22, 1987
filing date -
Oct 22, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention relates to a wheel-body forming apparatus which is capable of forming up a high-precision wheel body having the perfect roundness, more partiuclarly, to an apparatus used for forming any of those wheel bodies such as the inner-and-outer races or pillow of bearing, or automotive gauges or sleeves for example, by applying a rolling process before eventually forming the objective material into the predetermined configuration. The apparatus related to the invention is mainly comprised of three rotative members including a shape-forming roller, a mandrel, and a supporting roller, which are respectively installed on a plane in parallel with each other. Of these, the shape-forming roller and the supporting roller are independently driven, and yet, the apparatus related to the invention is further comprised of means for numerically controlling the number of the rotation of the supporting roller relative to the number of the rotation of the shape-forming roller in accordance with the variation of the diameter of the wheel body being formed.
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