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Patent Searching and Data


Title:
METHOD AND DEVICE FOR PREPARING ERROR MAP AND NUMERICALLY CONTROLLED MACHINE TOOL HAVING ERROR MAP PREPARATION FUNCTION
Document Type and Number:
WIPO Patent Application WO/2009/057229
Kind Code:
A1
Abstract:
In a numerically controlled machine tool which has a linear feed rod and a rotational feed rod and in which a main shaft and a table are movable relative to each other, the errors in position and attitude caused by the actions of the linear feed rod and the rotational feed rod are measured at plural measurement points set within the movable ranges of the linear feed rod and the rotational feed rod, and then, the errors in its position and attitude are stored as an error map corresponding to the position of the linear feed rod and the rotation angle of the rotational feed rod.

Inventors:
MORI NORIO (JP)
KASAHARA TADASHI (JP)
NISHIGUCHI TADAHIRO (JP)
Application Number:
PCT/JP2007/071750
Publication Date:
May 07, 2009
Filing Date:
November 02, 2007
Export Citation:
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Assignee:
MAKINO MILLING MACHINE (JP)
MORI NORIO (JP)
KASAHARA TADASHI (JP)
NISHIGUCHI TADAHIRO (JP)
International Classes:
B23Q17/22; B23Q15/00; G05B19/404
Domestic Patent References:
WO2004034164A12004-04-22
Foreign References:
JP2003121134A2003-04-23
JPH0688192B21994-11-09
JPH09237112A1997-09-09
JPH0688192B21994-11-09
JP2004272887A2004-09-30
JPH09237112A1997-09-09
Other References:
See also references of EP 2208572A4
Attorney, Agent or Firm:
AOKI, Atsushi et al. (Toranomon 37 Mori Bldg. 5-1,Toranomon 3-chome, Minato-k, Tokyo 23, JP)
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