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1. WO2011010397 - ERROR CORRECTION METHOD AND MACHINE TOOL

Publication Number WO/2011/010397
Publication Date 27.01.2011
International Application No. PCT/JP2009/063453
International Filing Date 22.07.2009
IPC
G05B 19/404 2006.01
GPHYSICS
05CONTROLLING; REGULATING
BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
19Programme-control systems
02electric
18Numerical control (NC), i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
404characterised by control arrangements for compensation, e.g. for backlash, overshoot, tool offset, tool wear, temperature, machine construction errors, load, inertia
B23Q 15/00 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL, CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
15Automatic control or regulation of feed movement, cutting velocity or position of tool or work
CPC
G05B 19/404
GPHYSICS
05CONTROLLING; REGULATING
BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
19Programme-control systems
02electric
18Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
404characterised by control arrangements for compensation, e.g. for backlash, overshoot, tool offset, tool wear, temperature, machine construction errors, load, inertia
G05B 2219/45161
GPHYSICS
05CONTROLLING; REGULATING
BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
2219Program-control systems
30Nc systems
45Nc applications
45161Grinding machine
G05B 2219/49168
GPHYSICS
05CONTROLLING; REGULATING
BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
2219Program-control systems
30Nc systems
49Nc machine tool, till multiple
49168Compensate feed as function of measured values and manual introduced values
G05B 2219/49181
GPHYSICS
05CONTROLLING; REGULATING
BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
2219Program-control systems
30Nc systems
49Nc machine tool, till multiple
49181Calculation, estimation, creation of error model using measured error values
Applicants
  • 株式会社牧野フライス製作所 MAKINO MILLING MACHINE CO., LTD. [JP]/[JP] (AllExceptUS)
  • 笠原忠 KASAHARA, Tadashi [JP]/[JP] (UsOnly)
  • 石井一成 ISHII, Kazunari [JP]/[JP] (UsOnly)
Inventors
  • 笠原忠 KASAHARA, Tadashi
  • 石井一成 ISHII, Kazunari
Agents
  • 青木篤 AOKI, Atsushi
Priority Data
Publication Language Japanese (JA)
Filing Language Japanese (JA)
Designated States
Title
(EN) ERROR CORRECTION METHOD AND MACHINE TOOL
(FR) PROCÉDÉ DE CORRECTION D'ERREURS ET MACHINE-OUTIL
(JA) 誤差補正方法及び工作機械
Abstract
(EN)
A machine tool has a plurality of linear feed axes and a plurality of rotational feed axes and is configured so that a main axis and a work table are mutually movable.  The machine tool comprises: an error data storage means (25) for storing the error between the main axis and the work table as an error map including a position error and a posture error; and a correction data calculation means (26) for calculating, based on the posture error, tool information, and work information, a correction amount for correcting a moving command to the linear feed axes so that the tool does not over-cut a workpiece.
(FR)
La présente invention concerne une machine-outil qui possède une pluralité d'axes d'alimentation linéaires et une pluralité d'axes d'alimentation rotatifs, et qui est conçue de façon qu'un axe principal et une table de travail soient mutuellement mobiles. La machine-outil comprend : un moyen de mémorisation des données d'erreur (25) permettant de mémoriser l'erreur entre l'axe principal et la table de travail sous forme d'une carte d'erreurs comprenant une erreur de position et une erreur de posture ; et un moyen de calcul des données de correction (26) permettant de calculer, sur la base de l'erreur de posture, des informations d'outil et des informations de travail, une quantité de correction permettant de corriger une commande mobile vers les axes d'alimentation linéaires de façon que l'outil ne découpe pas démesurément une pièce.
(JA)
複数の直線送り軸と複数の回転送り軸を有して主軸とワークテーブルとが相対移動可能に構成された 工作機械において、主軸とワークテーブルとの誤差を、位置誤差と姿勢誤差とを含むエラーマップとし て記憶する誤差データ記憶手段25と、姿勢誤差と工具情報及びワーク情報とに基づいて、工具がワー クを削り過ぎないように、直線送り軸に対する移動指令を補正するための補正量を演算する補正データ 演算手段26と、を具備する。
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