Crankshaft working method
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United States of America Patent
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Mar 10, 1998
Grant Date -
N/A
app pub date -
Sep 19, 1995
filing date -
Mar 31, 1993
priority date (Note) -
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Abstract
There is provided a method of working a crankshaft wherein a first cutter for simultaneously working an outer peripheral surface of a pin or journal of the crankshaft and a side surface of a counter weight disposed adjacent to the outer peripheral surface is mounted to one of two cutter heads of a crankshaft mill. A second cutter is provided for forming an R groove on the pin or journal. The second cutter is mounted to the other one of the cutter heads. The outer peripheral surfaces of the pin or the journal and the side surface of the counter weight adjacent to the outer peripheral surface are simultaneously worked by the first cutter, and thereafter, the R groove is formed on the pin or the journal by the second cutter.
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