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Simulation And Experimental Research Studies On Temperature Field For The Production Of Diamond-Coated Milling Tools By Hfcvd Device With Separated Worktables

Author

Listed:
  • CHUAN ZHANG

    (School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai 200240, P. R. China)

  • MING LU

    (School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai 200240, P. R. China)

  • DONGDONG LIU

    (School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai 200240, P. R. China)

  • FANGHONG SUN

    (School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai 200240, P. R. China)

Abstract

Diamond-coated tools have extremely extraordinary physical and chemical properties and have become ideal tools for machining the emerging materials that are hard to machine. In mass production of diamond-coated milling tools, the homogeneity of diamond coatings has always been sought for and is highly influenced by the uniformity of temperature field near the tool substrate. In order to further improve the uniformity of the temperature field and deposit diamond coatings with uniform thickness, a novel hot filament chemical vapor deposition (HFCVD) device with separated worktables and plates for mass production of diamond-coated milling tools is proposed. First, the simulation models of previous device with integrated worktable versus new device with separated worktables are established using finite volume method. The simulation results shows that the temperature distribution is more uniform in the device with separated worktables. Second, temperature measurement experiments are conducted, which prove the correctness of simulation model. Subsequently, experiments involving the deposition of diamond coatings on milling tools are conducted using two kinds of worktables, utilizing the same parameters as in the simulation. Finally, high-speed milling experiments are conducted to test the diamond-coated milling tools. According to the results of SEM, Raman and high-speed milling experiments, it can be concluded that the homogeneity of coating thickness and cutting performance of the milling tools produced by HFCVD device with separated worktables and plates are better.

Suggested Citation

  • Chuan Zhang & Ming Lu & Dongdong Liu & Fanghong Sun, 2024. "Simulation And Experimental Research Studies On Temperature Field For The Production Of Diamond-Coated Milling Tools By Hfcvd Device With Separated Worktables," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 31(08), pages 1-10, August.
  • Handle: RePEc:wsi:srlxxx:v:31:y:2024:i:08:n:s0218625x24500604
    DOI: 10.1142/S0218625X24500604
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