Method for machining crankshaft, apparatus for machining crankshaft, control apparatus and program
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United States of America Patent
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Jul 10, 2012
Grant Date -
Feb 28, 2008
app pub date -
Aug 10, 2007
filing date -
Aug 22, 2006
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Abstract
To increase precision in straightness on a journal thrust surface relative to an outer peripheral surface of a journal in a crankshaft, a control system is provided for controlling movement of a cutter in axial directions by running a control program transferred from an automatic programming apparatus. The automatic programming apparatus corrects machining data on the basis of data for correcting the straightness gained through a comparison between results of a measurement of machining dimensions of the journal thrust surface in the workpiece on which a cutting process has been carried out and target machining dimensions for the journal thrust surface. A control program is prepared on the basis of the corrected machining data after correction of the machining data.
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