Wheel Setting Error Modeling and Compensation for Arc Envelope Grinding of Large-Aperture Aspherical Optics
Abstract Precision grinding is a key process for realizing the use of large-aperture aspherical optical elements in laser nuclear fusion devices, large-aperture astronomical telescopes, and high-resolution space cameras. In this study, the arc envelope grinding process of large-aperture aspherical o...
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Format: | Article |
Language: | English |
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SpringerOpen
2022-08-01
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Series: | Chinese Journal of Mechanical Engineering |
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Online Access: | https://doi.org/10.1186/s10033-022-00782-5 |
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author | Changsheng Li Lin Sun Zhaoxiang Chen Jianfang Chen Qijing Lin Jianjun Ding Zhuangde Jiang |
author_facet | Changsheng Li Lin Sun Zhaoxiang Chen Jianfang Chen Qijing Lin Jianjun Ding Zhuangde Jiang |
author_sort | Changsheng Li |
collection | DOAJ |
description | Abstract Precision grinding is a key process for realizing the use of large-aperture aspherical optical elements in laser nuclear fusion devices, large-aperture astronomical telescopes, and high-resolution space cameras. In this study, the arc envelope grinding process of large-aperture aspherical optics is investigated using a CM1500 precision grinding machine with a maximum machinable diameter of Φ1500 mm. The form error of the aspherical workpiece induced by wheel setting errors is analytically modeled for both parallel and cross grinding. Results show that the form error is more sensitive to the wheel setting error along the feed direction than that along the lateral direction. It is a bilinear function of the feed-direction wheel setting error and the distance to the optical axis. Based on the error function above, a method to determine the wheel setting error is proposed. Subsequently, grinding tests are performed with the wheels aligned accurately. Using a newly proposed partial error compensation method with an appropriate compensation factor, a form error of 3.4 μm peak-to-valley (PV) for a Φ400 mm elliptical K9 glass surface is achieved. |
first_indexed | 2024-04-13T13:08:04Z |
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institution | Directory Open Access Journal |
issn | 1000-9345 2192-8258 |
language | English |
last_indexed | 2024-04-13T13:08:04Z |
publishDate | 2022-08-01 |
publisher | SpringerOpen |
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series | Chinese Journal of Mechanical Engineering |
spelling | doaj.art-ffb2b50eafdf4571a10e74e7a158af902022-12-22T02:45:43ZengSpringerOpenChinese Journal of Mechanical Engineering1000-93452192-82582022-08-0135111310.1186/s10033-022-00782-5Wheel Setting Error Modeling and Compensation for Arc Envelope Grinding of Large-Aperture Aspherical OpticsChangsheng Li0Lin Sun1Zhaoxiang Chen2Jianfang Chen3Qijing Lin4Jianjun Ding5Zhuangde Jiang6State Key Laboratory for Manufacturing Systems Engineering, Xi’an Jiaotong UniversityState Key Laboratory for Manufacturing Systems Engineering, Xi’an Jiaotong UniversityState Key Laboratory for Manufacturing Systems Engineering, Xi’an Jiaotong UniversityShaanxi Qinchuan Precision CNC Machine Tool Engineering Research CoState Key Laboratory for Manufacturing Systems Engineering, Xi’an Jiaotong UniversityState Key Laboratory for Manufacturing Systems Engineering, Xi’an Jiaotong UniversityState Key Laboratory for Manufacturing Systems Engineering, Xi’an Jiaotong UniversityAbstract Precision grinding is a key process for realizing the use of large-aperture aspherical optical elements in laser nuclear fusion devices, large-aperture astronomical telescopes, and high-resolution space cameras. In this study, the arc envelope grinding process of large-aperture aspherical optics is investigated using a CM1500 precision grinding machine with a maximum machinable diameter of Φ1500 mm. The form error of the aspherical workpiece induced by wheel setting errors is analytically modeled for both parallel and cross grinding. Results show that the form error is more sensitive to the wheel setting error along the feed direction than that along the lateral direction. It is a bilinear function of the feed-direction wheel setting error and the distance to the optical axis. Based on the error function above, a method to determine the wheel setting error is proposed. Subsequently, grinding tests are performed with the wheels aligned accurately. Using a newly proposed partial error compensation method with an appropriate compensation factor, a form error of 3.4 μm peak-to-valley (PV) for a Φ400 mm elliptical K9 glass surface is achieved.https://doi.org/10.1186/s10033-022-00782-5Aspherical opticsWheel settingArc envelope grindingForm errorLarge aperture |
spellingShingle | Changsheng Li Lin Sun Zhaoxiang Chen Jianfang Chen Qijing Lin Jianjun Ding Zhuangde Jiang Wheel Setting Error Modeling and Compensation for Arc Envelope Grinding of Large-Aperture Aspherical Optics Chinese Journal of Mechanical Engineering Aspherical optics Wheel setting Arc envelope grinding Form error Large aperture |
title | Wheel Setting Error Modeling and Compensation for Arc Envelope Grinding of Large-Aperture Aspherical Optics |
title_full | Wheel Setting Error Modeling and Compensation for Arc Envelope Grinding of Large-Aperture Aspherical Optics |
title_fullStr | Wheel Setting Error Modeling and Compensation for Arc Envelope Grinding of Large-Aperture Aspherical Optics |
title_full_unstemmed | Wheel Setting Error Modeling and Compensation for Arc Envelope Grinding of Large-Aperture Aspherical Optics |
title_short | Wheel Setting Error Modeling and Compensation for Arc Envelope Grinding of Large-Aperture Aspherical Optics |
title_sort | wheel setting error modeling and compensation for arc envelope grinding of large aperture aspherical optics |
topic | Aspherical optics Wheel setting Arc envelope grinding Form error Large aperture |
url | https://doi.org/10.1186/s10033-022-00782-5 |
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