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首页> 外文会议>Conference on Application of Diamond and Related Materials in China >A Comparative Study: Tool Life and Wear of Thin-Walled Monolayer Brazed Diamond Core Drill Fabricated with Ni-Cr and Ag-Cu-Ti Alloy
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A Comparative Study: Tool Life and Wear of Thin-Walled Monolayer Brazed Diamond Core Drill Fabricated with Ni-Cr and Ag-Cu-Ti Alloy

机译：比较研究：用Ni-Cr和Ag-Cu-Ti合金制造的薄壁单层钎焊金刚石芯钻的工具寿命与磨损

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摘要

Monolayer brazed diamond tools, which are high bonding strength at the interface between brazing alloy and grits, are becoming the active field in which improvements in processing and advanced products can be anticipated. Some researchers proposed brazing diamond methods with Ni-Cr and Ag-Cu-Ti alloy, but there is a shortage of the comparative study of the characteristics of the brazed diamond tools fabricated with the different brazing alloy. In this paper, machining performance experiments have been carried out, including contrast tests about tool life and machining efficiency for thin-walled monolayer brazed diamond core drills fabricated with Ni-Cr and Ag-Cu-Ti alloy. The results show that the Ag-Cu-Ti alloy can improve the machining performance. Wear mechanism of diamond grits was studied in those drilling processes. The results show that the low ratio of grit breakdown of the core drill using Ag-Cu-Ti alloy is the key factor of its longer life. Furthermore, based on the experimental results, the areas of the grits wear flat increase the feed force, and decrease the machining efficiency.
机译：单层钎焊金刚石工具，其在钎焊合金和砂砾之间的界面粘接强度高，正在成为活动字段，其中在加工和先进的产品的改进可以预期。一些研究人员提出用钎焊的Ni-Cr和Ag-Cu-Ti系合金金刚石的方法，但存在的的钎焊金刚石工具特性的比较研究用不同钎焊合金制造的短缺。在本文中，机械加工性能实验已经进行，包括约刀具寿命和加工效率为薄壁单层钎焊金刚石芯钻对比试验用的Ni-Cr和Ag-Cu-Ti系合金制成。结果表明，所述Ag-Cu-Ti系合金可以提高加工性能。金刚石的磨损机理在这些钻井过程进行了研究。结果表明，使用Ag-Cu系合金的Ti取芯钻头的砂砾击穿的低比其更长的寿命的关键因素。此外，基于实验结果，所述磨粒的区域穿平增加进给力，并降低加工效率。

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