Application of A Newly Developed Thermally Induced Volumetric Error Compensation Model in Improving Dimensional Accuracy of Parts

The thermally induced volumetric error of a machine tool has been recognised as a major contributor to the dimensional and geometric errors of component parts produced by that tool. Therefore, considerable research has focused on ways to compensate for this type of error. The traditional model of co...

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Main Authors: Lu, Yuxia, Islam, Mohammad Nazrul
Format: Journal Article
Published: Trans Tech Publications Inc 2013
Subjects:
Online Access:http://hdl.handle.net/20.500.11937/20394
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author Lu, Yuxia
Islam, Mohammad Nazrul
author_facet Lu, Yuxia
Islam, Mohammad Nazrul
author_sort Lu, Yuxia
building Curtin Institutional Repository
collection Online Access
description The thermally induced volumetric error of a machine tool has been recognised as a major contributor to the dimensional and geometric errors of component parts produced by that tool. Therefore, considerable research has focused on ways to compensate for this type of error. The traditional model of compensation for the thermally induced volumetric error of a three-axis machine tool requires the measurement of 21 geometric error components and their variations with temperature, which is difficult and time-consuming to conduct. In our previous research, we developed a simplified and economical method of compensation of thermally induced volumetric error by modeling the positioning error as functions of ball-screw nut temperature and travel distance. This paper describes the application of this newly developed compensation model in improving the dimensional accuracy of parts. The model was applied to reduce the positioning error of a number of drilled holes. The results showed an average reduction of absolute and relative errors by 30.44 µm and 77%, respectively.
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spelling curtin-20.500.11937-203942017-01-30T12:18:59Z Application of A Newly Developed Thermally Induced Volumetric Error Compensation Model in Improving Dimensional Accuracy of Parts Lu, Yuxia Islam, Mohammad Nazrul Thermally-induced volumetric error dimensional accuracy error compensation positioning error The thermally induced volumetric error of a machine tool has been recognised as a major contributor to the dimensional and geometric errors of component parts produced by that tool. Therefore, considerable research has focused on ways to compensate for this type of error. The traditional model of compensation for the thermally induced volumetric error of a three-axis machine tool requires the measurement of 21 geometric error components and their variations with temperature, which is difficult and time-consuming to conduct. In our previous research, we developed a simplified and economical method of compensation of thermally induced volumetric error by modeling the positioning error as functions of ball-screw nut temperature and travel distance. This paper describes the application of this newly developed compensation model in improving the dimensional accuracy of parts. The model was applied to reduce the positioning error of a number of drilled holes. The results showed an average reduction of absolute and relative errors by 30.44 µm and 77%, respectively. 2013 Journal Article http://hdl.handle.net/20.500.11937/20394 Trans Tech Publications Inc fulltext
spellingShingle Thermally-induced volumetric error
dimensional accuracy
error compensation
positioning error
Lu, Yuxia
Islam, Mohammad Nazrul
Application of A Newly Developed Thermally Induced Volumetric Error Compensation Model in Improving Dimensional Accuracy of Parts
title Application of A Newly Developed Thermally Induced Volumetric Error Compensation Model in Improving Dimensional Accuracy of Parts
title_full Application of A Newly Developed Thermally Induced Volumetric Error Compensation Model in Improving Dimensional Accuracy of Parts
title_fullStr Application of A Newly Developed Thermally Induced Volumetric Error Compensation Model in Improving Dimensional Accuracy of Parts
title_full_unstemmed Application of A Newly Developed Thermally Induced Volumetric Error Compensation Model in Improving Dimensional Accuracy of Parts
title_short Application of A Newly Developed Thermally Induced Volumetric Error Compensation Model in Improving Dimensional Accuracy of Parts
title_sort application of a newly developed thermally induced volumetric error compensation model in improving dimensional accuracy of parts
topic Thermally-induced volumetric error
dimensional accuracy
error compensation
positioning error
url http://hdl.handle.net/20.500.11937/20394