Displacement correcting device and method for a machine tool
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TL;DR: The ratio of executed to skipped measurement movement commands required for actual measurement and a correction value when skipping a measurement movement command are determined and then updated according to past (hysteresis) measurement data.
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About: This article is published in Computer Integrated Manufacturing Systems. The article was published on 27 Dec 1994. The article focuses on the topics: Machine tool.
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Citations
Patent
Method of correcting thermal displacement of machine tool
Kunio Fanuc Manshonharimomi Kojima,Susumu Ro. Fanuc Manshonharimomi Maekawa +1 more
- 06 Jul 2001
TL;DR: In this paper, a correction amount for thermal displacement due to axial movement of the feed shaft is determined. And the tool position is corrected based on the determined correction amount, which is the same as in this paper.
48
Patent
Thermal error compensation method for machine tools
Feng-Ming Ou,James Shih-Shyn Wu +1 more
- 25 Nov 2009
TL;DR: In this article, a thermal error compensation method for machine tools is proposed, which comprises the steps of disposing at least a thermal sensor at positions neighboring to the at least one heat source of a machine tool.
32
Patent
Method for determining effective coefficient of thermal expansion
Satish C. Shivaswamy,Richard A. Curless +1 more
- 29 Jun 2001
TL;DR: In this paper, a statistical correlation analysis is performed to determine which of the temperature sensors experiences changes in temperature are most linearly related to changes in the linear position of the first machine member relative to the second machine member (42).
26
Patent
Apparatus and method for thermal displacement correction for a machine tool
Susumu Ito,Masao Kamiguchi,Hisao Ishii,Masanobu Takemoto,Susumu Maekawa,Kunio Kojima +5 more
- 11 Nov 1997
TL;DR: In this paper, the mean moving speed and moving frequency of the feed shaft are measured with every unit time for position correction, and a correction amount δn is determined from the speed and frequency according to an approximation formula and updated (c7 and c8).
23
Patent
Thermal displacement compensation method and thermal displacement compensation device for machine tool
Susumu Maekawa,Takahiro Endou +1 more
- 14 Jul 2011
TL;DR: In this paper, the authors proposed a thermal displacement compensation method for a machine tool, in which a feed shaft thermal displacement amount is obtained and an amount which cancels the obtained feed-shaft thermal displacement amounts is added as a thermal displacements compensation amount to a position command for a feed axis.
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References
Patent
Computer controlled machine tool contouring system
Philip H. White,Bernard W. Wilterdink,Guy J. Andrews +2 more
- 24 Jun 1974
TL;DR: In this paper, a computer controlled machine tool contouring system has a cutting element which is positioned relative to a workpiece support table, and the control signals are generated by a control means from stored data signals which are representative of the coordinates of points on the desired workpiece contour.
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