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作者:

Wu, Liqu (Wu, Liqu.) | Zhang, Xiaohong (Zhang, Xiaohong.) | Zhang, Ye (Zhang, Ye.) | Wen, Dongdong (Wen, Dongdong.) | Wang, Biao (Wang, Biao.) | Shi, Zhaoyao (Shi, Zhaoyao.) | Li, Chao (Li, Chao.) | Ding, Yuejiao (Ding, Yuejiao.)

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EI Scopus SCIE

摘要:

During the grinding process, K9 optical glass exhibits poor machinability, leading to issues such as crack growth, machining costs, low machining efficiency, and many other problems, seriously restricting its manufacture and application. This paper evaluated the feasibility of picosecond laser-assisted polishing of optical glass workpieces as an economical production method. This study involves a comprehensive exploration of several key aspects, including workpiece dimension control, the surface quality after picosecond laser ablation assessment, the parameters of the picosecond laser equipment optimization, and fine-tuning the parameters of the polishing equipment. The results show that the workpiece surface exhibits a recast layer with an uneven thickness distribution after laser processing, leading to a 38% reduction in luminous flux. Additionally, the roughness of the ablated surface decreases as the pulse repetition rates increase from 40 to 120 kHz. Due to the nonlinear absorption of energy by the amorphous body, the maximum ablation depth occurs around 80 kHz. Furthermore, the unevenly distributed recast layer affects the polishing process. Nevertheless, the efficiency of the picosecond laser-assisted polishing method is greatly improved compared to the conventional method of precision grinding followed by polishing.

关键词:

Polishing efficiency Picosecond laser Recast layer K9 optical glass Laser-assisted polishing Topography analysis

作者机构:

  • [ 1 ] [Wu, Liqu]Hunan Inst Sci & Technol, Coll Mech Engn, Yueyang 414006, Peoples R China
  • [ 2 ] [Zhang, Xiaohong]Hunan Inst Sci & Technol, Coll Mech Engn, Yueyang 414006, Peoples R China
  • [ 3 ] [Zhang, Ye]Hunan Inst Sci & Technol, Coll Mech Engn, Yueyang 414006, Peoples R China
  • [ 4 ] [Wang, Biao]Hunan Inst Sci & Technol, Coll Mech Engn, Yueyang 414006, Peoples R China
  • [ 5 ] [Li, Chao]Hunan Inst Sci & Technol, Coll Mech Engn, Yueyang 414006, Peoples R China
  • [ 6 ] [Ding, Yuejiao]Hunan Inst Sci & Technol, Coll Mech Engn, Yueyang 414006, Peoples R China
  • [ 7 ] [Wu, Liqu]Key Lab Intelligent Mfg & Serv Performance Optimiz, Yueyang 414006, Peoples R China
  • [ 8 ] [Zhang, Xiaohong]Key Lab Intelligent Mfg & Serv Performance Optimiz, Yueyang 414006, Peoples R China
  • [ 9 ] [Zhang, Ye]Key Lab Intelligent Mfg & Serv Performance Optimiz, Yueyang 414006, Peoples R China
  • [ 10 ] [Wang, Biao]Key Lab Intelligent Mfg & Serv Performance Optimiz, Yueyang 414006, Peoples R China
  • [ 11 ] [Li, Chao]Key Lab Intelligent Mfg & Serv Performance Optimiz, Yueyang 414006, Peoples R China
  • [ 12 ] [Ding, Yuejiao]Key Lab Intelligent Mfg & Serv Performance Optimiz, Yueyang 414006, Peoples R China
  • [ 13 ] [Wen, Dongdong]Hunan Univ Sci & Technol, Sch Mech Engn, Xiangtan 411201, Peoples R China
  • [ 14 ] [Shi, Zhaoyao]Beijing Univ Technol, Beijing Engn Res Ctr Precis Measurement Technol &, Beijing 100124, Peoples R China

通讯作者信息:

  • [Zhang, Xiaohong]Hunan Inst Sci & Technol, Coll Mech Engn, Yueyang 414006, Peoples R China;;[Zhang, Xiaohong]Key Lab Intelligent Mfg & Serv Performance Optimiz, Yueyang 414006, Peoples R China

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来源 :

INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY

ISSN: 0268-3768

年份: 2024

期: 3-4

卷: 131

页码: 1897-1917

3 . 4 0 0

JCR@2022

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SCOPUS被引频次: 1

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