Method for rolling a shaft or tenon having cross-bored holes
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United States of America Patent
Stats
-
Nov 8, 1988
Grant Date -
N/A
app pub date -
May 13, 1987
filing date -
Jul 19, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The milling of work pieces having at least one bore in the surface to be milled by roller action, is performed by controlling the size of the force applied to the work piece surface in accordance with the rotation of the work piece and in accordance with the location of the bore. The control is such that the rolling force or pressure applied when the roller contacts the bore is smaller than the rolling force or pressure when the roller contacts the work piece surface outside the bore. The rolling force may even be applied in a pulsating manner in the zone of a bore. A minimum of the applied rolling force is reached at the latest when the roller passes over the bore diameter. In this manner undesirable deformations of the work piece surface, especially in a ring zone around the bore, are avoided.
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