Journal Article10.1016/S0890-6955(00)00010-9
Error compensation in machine tools — a review: Part II: thermal errors
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TL;DR: In this paper, an attempt is made to review the work carried out over the last decade in the estimation and compensation of temperature dependent errors, which constitute a significant portion of the total error in a machine tool.
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Abstract: One of the major errors in machine tools namely geometric/kinematic errors was discussed at length in Part I of this paper. Here, in Part II, another major source of inaccuracy, namely thermal error that occurs due to extended usage of the machine is analysed. Continuous usage of a machine tool causes heat generation at the moving elements and this heat causes expansion of the various structural elements of the machine tool. It is this expansion of the structural linkages of the machine that leads to inaccuracy in the positioning of the tool. Such errors are called thermal errors and constitute a significant portion of the total error in a machine tool. Thus the overall volumetric error of a machine tool is not only dependent on errors due to the assembly and the specific kinematic structure of the machine but also on the thermal errors. In Part II of this paper, an attempt is made to review the work carried out over the last decade in the estimation and compensation of temperature dependent errors.
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Citations
Mandrel-based Polishing of Single-Crystal Diamond and Ceramics for Fabrication of Micro-endmills: Analysis of the Polishing Characteristics and the Error Motions of Ultra-High-Speed Micromachining Spindles
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- 01 Jan 2012
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Application of Grey System Model and Particle Swarm Optimization on CNC Machine Thermal Error Modeling
JianJun Song,XianGuo Yan,MingLei Li,Shiwen Du +3 more
- 13 Mar 2010
TL;DR: It can be seen form the analysis results that metabolic GM(1,1,α) model was proved the most optimal model.
The Inaccuracy of Compensation System of Spindle Thermal Growth in Machine Tool Application and Its Solution
He Yi-Lin,Chiang Hsun-Fu,Jenq-Shyong Chen,Paul Chang +3 more
- 01 Sep 2019
TL;DR: One solution is proposed to overcome signal aliasing in machine tool application, the phenomenon which appears in spindle thermal growth compensation system is carried, and the improved system.
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Increasing Stiffness of Constructions through Application of Enhancing Elements
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References
International Status of Thermal Error Research (1990)
TL;DR: The field of thermal error research since the previous keynote paper was delivered in Ann Arbor in 1967 is reviewed to find that not much has changed in industry and there seems to be a new sense of awareness of the problem, particularly among companies who are planning new facilities.
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Self-Calibration: Reversal, Redundancy, Error Separation, and ‘Absolute Testing’
TL;DR: A partial survey of methods for dimensional metrology, their ranges of application, and their limits is presented in the hope that this may provide the basis for development of “new” methods.
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Reduction and compensation of thermal errors in machine tools
TL;DR: In this paper, the main reasons for dimensional and geometric errors in workpieces produced on machine tools include low static stiffness of the machine structure, low dynamic performance of feed drives, tool wear and thermal deformations of the tool, machine and workpiece.
327
CNC Machine Accuracy Enhancement Through Real-Time Error Compensation
TL;DR: In this paper, a real-time error compensation method was used to reduce both geometric and thermally induced quasistatic machine tool errors in a horizontal machining center, and an illustrative example is used to demonstrate the use of error compensation systems for a horizontal Machining center.
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The real-time error compensation technique for CNC machining systems
Jingxia Yuan,Jun Ni +1 more
TL;DR: In this paper, the authors present the research work under the authors and their team in this area, which has been applied to more than 10 different kinds of machines including: turning centers and machining centers; small, medium and large machines; new products and retrofitted machines.
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