Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Kazukane Kunii0
Date of Patent
September 19, 2006
0Patent Application Number
109509800
Date Filed
September 27, 2004
0Patent Primary Examiner
Patent abstract
An end surface 820 of a work 80 gripped by a chuck 50 equipped to a main spindle of a lathe-type machine tool is machined, and at the same time has a screw hole 830 formed thereto. The jig plate 60 is provided with a main body 600 having a fixing surface 630 and an inverse tapered portion 610. The jig plate 60 is provided with a bolt 620, and is fixed to the work 80 by a torque wrench tool 70. A chuck claw 122 of a chuck 120 of the second main spindle grips the inverse tapered portion 610 and processes the remaining surfaces of the work.
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