An experimental study of PMMA precision cryogenic micro-milling

作者

  • Ying Yan Key Laboratory for Precision and Non-traditional Machining Technology of Ministry of Education, Dalian University of Technology, Dalian 116024, China
  • Yujia Sun Key Laboratory for Precision and Non-traditional Machining Technology of Ministry of Education, Dalian University of Technology, Dalian 116024, China.
  • Bo Li Key Laboratory for Precision and Non-traditional Machining Technology of Ministry of Education, Dalian University of Technology, Dalian 116024, China.
  • Ping Zhou Key Laboratory for Precision and Non-traditional Machining Technology of Ministry of Education, Dalian University of Technology, Dalian 116024, China.

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https://doi.org/10.37819/bph.001.01.0123

关键词:

Cryogenic machining, Micromilling, Surface roughness, Material removal, Polymer materials

摘要

Polymethyl methacrylate (PMMA) has been used more and more widely in the fields of microfluidic devices and high-precision optical components due to its excellent mechanical and optical properties. Micro-milling is one of the methods that has been used in the machining of polymer materials. The machinability of PMMA is highly dependent on temperature, and the cryogenic method is also applied to control the processing temperature. In this work, the PMMA was milled with different processing parameters at the temperature of -55℃ and 25℃. The influence of each milling parameter on the surface quality under different temperature conditions were investigated. According to the results, the cutting depth is the dominant factor that influenced the surface roughness. The shape accuracy of the rectangular microgroove processed under low-temperature conditions is better. The material removal mechanism under different temperatures was also discussed, and the material is cut in a brittle way under low temperatures.

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已出版

2021-10-20

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Yan, Y. ., Sun, Y. ., Li, B. ., & Zhou, P. . (2021). An experimental study of PMMA precision cryogenic micro-milling. Biomaterials and Polymers Horizon, 1(1), 15–21. https://doi.org/10.37819/bph.001.01.0123

期

卷 1 编号 1 (2022): Biomaterials and Polymers Horizon

栏目

Research articles

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