Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Kiyokazu Kainuma0
Noriyasu Hayashi0
Norio Naganuma0
Masaki Hibino0
Date of Patent
July 29, 2008
0Patent Application Number
113647340
Date Filed
February 28, 2006
0Patent Primary Examiner
Patent abstract
A working device of a noncircular workpiece, such as a piston of an internal combustion engine, is improved. A workpiece 10 is held by a work spindle and rotated. A noncircular working device 100 has a noncircular working unit base 110 and is provided with a servo motor 104. A noncircular working unit 120 is positioned along a Y axis, and an arbitrary cutting tool 133 is selected from a cutting tool group 130. A servo motor 112 reciprocates the noncircular working unit 120 on an X2 axis in synchronization with the rotation of the work spindle and performs noncircular working of the workpiece 10.
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