磨料水射流抛光硬质合金和聚晶金刚石工具的实验研究

Q3 Engineering

International Journal of Abrasive Technology Pub Date : 2019-11-05 DOI:10.1504/ijat.2019.10025181

J. Puoza

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引用次数: 2

摘要

实验研究了材料去除机理、水射流压力和射流冲击角对超硬刀具表面和刃口抛光效果的影响。结果表明，水射流压力和射流冲击角对材料的去除效率影响较大。射流角度为15°，压力为10 MPa时，硬质合金刀具表面抛光效果较好。在5 Mpa的低压下，聚晶金刚石刀具前刀面无明显变化。然而，在75°射流冲击角和20 MPa压力下，抛光后的聚晶金刚石刀具刃口光亮、光滑、圆润，具有“韧性侵蚀微材料去除机制”，无断裂现象。结果表明，所建立的磨料水射流抛光技术体系可用于超硬刀具行业，提高刀具的使用寿命。

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Experimental study on abrasive water-jet polishing of cemented carbide and polycrystalline diamond tools

This research paper studies the material removal mechanism, influence of water jet pressure and jet impact angle on the polishing effect of super-hard tools surfaces and edges experimentally. The results showed that the water jet pressure and jet impact angle have great influence on the materials removal efficiency. The jet angle of 15° and pressure of 10 MPa resulted in better-polished surface of the cemented carbide tools. The rake face of polycrystalline diamond cutting tools experienced no significant change under low pressure of 5 Mpa. Nevertheless, at a jet impact angle of 75° and a pressure of 20 MPa, the edge of the polished polycrystalline diamond cutting tool was bright, smooth, and rounded with 'ductile erosion micro material removal mechanism' without any fracture. The results demonstrated that the built abrasive water jet polishing technology system can be used in the super-hard tools industry to improve on the tool's services life.

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来源期刊

International Journal of Abrasive Technology Engineering-Industrial and Manufacturing Engineering

CiteScore

0.90

自引率

0.00%

发文量