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Volume 13 Issue 5
Oct.  2021
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Article Contents
Zhang Zongxian. Some Characteristics and Law of Button Bit Wear[J]. Chinese Journal of Engineering, 1991, 13(5): 403-409. doi: 10.13374/j.issn1001-053x.1991.05.001
Citation: Zhang Zongxian. Some Characteristics and Law of Button Bit Wear[J]. Chinese Journal of Engineering, 1991, 13(5): 403-409. doi: 10.13374/j.issn1001-053x.1991.05.001

Some Characteristics and Law of Button Bit Wear

doi: 10.13374/j.issn1001-053x.1991.05.001
  • Received Date: 1990-11-17
    Available Online: 2021-10-26
  • An investigaton on in-situ indicated that the failures of button bits were obviously controlled by their weares. Based on above investigation, a few basic relations between the wear volumes of tungsten carbide bit buttons and move speeds, between bit lives and button weares, etc were obtained. The investigated results showed that weares of bit buttons affected not only bit lives but drilling efficiency, and the trimming for used bits increased not only bit lives but drilling velocity.

     

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      沈陽化工大學材料科學與工程學院 沈陽 110142

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