CONTROL DEVICE AND MACHINE TOOL PROVIDED WITH SAME

WIPO Patent Application WO/2023/148870

A1

A control device (20) comprises an eccentric cutting control unit (270 for machining an eccentric body. The eccentric cutting control unit (27), in cooperation with a control unit (23), causes a main shaft to rotate to position the center position of the eccentric body so as to be on an X-axis, and then causes a tool to move relatively in a Z-axis direction while causing relative movement of the tool, in synchronization with rotation of the main shaft, so as to describe an arcuate trajectory in which the X-axis-direction position X = Rcosθ and the Y-axis-direction position Y = Rsinθ, where R is the eccentricity which is the distance from the center of a base part of a workpiece to the center of the eccentric body, and θ is the rotation angle about a main shaft axis with reference to the X-axis through the center of the eccentric body.

JPH1043901	CHIP CUTTING MACHINING METHOD AND MACHINING DEVICE THEREFOR
JP2023552875	metal cutting turning method

KATO YUTA (JP)
UEHARA MASAYA (JP)
TANEMOTO MINORU (JP)
IIYAMA KOJI (JP)
OGAWA TETSUO (JP)
TADA ATSUSHI (JP)
NAKAHIGASHI TSUNEHITO (JP)

PCT/JP2022/004194

August 10, 2023

February 03, 2022

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MITSUBISHI ELECTRIC CORP (JP)
DMG MORI CO LTD (JP)

B23B1/00; B23B5/18

JP2003266202A	2003-09-24
JPH05185303A	1993-07-27
JP2017209779A	2017-11-30
US4375670A	1983-03-01
JPH05305501A	1993-11-19

TAKAMURA, Jun (JP)

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