Approximation of Thermal Deformation Behaviour of a Machine Tool to Improve its Process Precision

Hiroshi Tachiya; Yoshiyuki Kaneko; Teppei Aramoto; Hirotsugu Shinjo; Yusuke Miyazaki

doi:10.4028/www.scientific.net/KEM.345-346.181

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Achieving Both Powder Consolidation and Grain Refinement for Bulk Nanostructured Materials by Equal-Channel Angular Pressing
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Study of the Titanium Alloy Deformation Behavior in Equal Channel Angular Extrusion
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Approximation of Thermal Deformation Behaviour of a Machine Tool to Improve its Process Precision
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Approximation of Thermal Deformation Behaviour of a Machine Tool to Improve its Process Precision

Abstract:

This paper presents a stochastic method to approximate the thermal deformation of a machine tool, by using the temperature changes of the body. The method examines the relationship between the thermal deformations and temperature changes of plural positions on a machine tool, and determines the appropriate temperature measuring points. In addition, the approximate equation of the thermal deformation is drawn by t-test, which uses those influential temperature changes as parameters. This study shows that the approximation equation of the thermal deformations can be expressed in a simple form with few parameters, and remarkably improve cutting processing.