An investigation of thermal behaviour of a machine tool on the dimensional accuracy of parts
The thermal condition of machine tools can profoundly affect the dimensional accuracy of manufactured parts. Consequently, reducing its influence has become increasingly important to modern manufacturing. One of the most convenient and effective ways to reduce thermal error and enhance working accur...
| Main Authors: | , |
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| Format: | Journal Article |
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Avestia Publishing
2012
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| Online Access: | http://hdl.handle.net/20.500.11937/20405 |
| _version_ | 1848750296344297472 |
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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 thermal condition of machine tools can profoundly affect the dimensional accuracy of manufactured parts. Consequently, reducing its influence has become increasingly important to modern manufacturing. One of the most convenient and effective ways to reduce thermal error and enhance working accuracy is volumetric error compensation, especially for CNC machine tools. However, currently available compensation methods are highly complicated and difficult to apply in industry. They require a high-precision laser interferometer to measure 21 geometric error components and numerous thermocouples to monitor temperature variations. These requirements make such techniques costly and time consuming. This paper describes the development of a simplified and economical method of compensating for thermally induced errors. Compensation is implemented on the basis of only three axial positioning errors, which are assumed to be functions of ball screw nut temperature and travel distance. Instead of an expensive laser interferometer and many thermocouples, a simple laser Doppler displacement meter and only three thermocouples are required for the proposed method. Results show good agreement between measured and predicted thermally induced errors. |
| first_indexed | 2025-11-14T07:34:35Z |
| format | Journal Article |
| id | curtin-20.500.11937-20405 |
| institution | Curtin University Malaysia |
| institution_category | Local University |
| last_indexed | 2025-11-14T07:34:35Z |
| publishDate | 2012 |
| publisher | Avestia Publishing |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | curtin-20.500.11937-204052017-09-13T13:51:03Z An investigation of thermal behaviour of a machine tool on the dimensional accuracy of parts Lu, Yuxia Islam, Mohammad Nazrul dimensional accuracy thermally induced volumetric error laser Doppler displacement meter positioning error The thermal condition of machine tools can profoundly affect the dimensional accuracy of manufactured parts. Consequently, reducing its influence has become increasingly important to modern manufacturing. One of the most convenient and effective ways to reduce thermal error and enhance working accuracy is volumetric error compensation, especially for CNC machine tools. However, currently available compensation methods are highly complicated and difficult to apply in industry. They require a high-precision laser interferometer to measure 21 geometric error components and numerous thermocouples to monitor temperature variations. These requirements make such techniques costly and time consuming. This paper describes the development of a simplified and economical method of compensating for thermally induced errors. Compensation is implemented on the basis of only three axial positioning errors, which are assumed to be functions of ball screw nut temperature and travel distance. Instead of an expensive laser interferometer and many thermocouples, a simple laser Doppler displacement meter and only three thermocouples are required for the proposed method. Results show good agreement between measured and predicted thermally induced errors. 2012 Journal Article http://hdl.handle.net/20.500.11937/20405 10.11159/ijmem.2012.015 Avestia Publishing fulltext |
| spellingShingle | dimensional accuracy thermally induced volumetric error laser Doppler displacement meter positioning error Lu, Yuxia Islam, Mohammad Nazrul An investigation of thermal behaviour of a machine tool on the dimensional accuracy of parts |
| title | An investigation of thermal behaviour of a machine tool on the dimensional accuracy of parts |
| title_full | An investigation of thermal behaviour of a machine tool on the dimensional accuracy of parts |
| title_fullStr | An investigation of thermal behaviour of a machine tool on the dimensional accuracy of parts |
| title_full_unstemmed | An investigation of thermal behaviour of a machine tool on the dimensional accuracy of parts |
| title_short | An investigation of thermal behaviour of a machine tool on the dimensional accuracy of parts |
| title_sort | investigation of thermal behaviour of a machine tool on the dimensional accuracy of parts |
| topic | dimensional accuracy thermally induced volumetric error laser Doppler displacement meter positioning error |
| url | http://hdl.handle.net/20.500.11937/20405 |