西南石油大学学报(自然科学版) ›› 1996, Vol. 18 ›› Issue (4): 67-72.DOI: 10.3863/j.issn.1000-2634.1996.04.013

• 石油机械工程 • 上一篇    下一篇

PDC切削齿工作角度的精确计算与分析

李树盛 马德坤 侯季康   

  1. 机械工程系
  • 收稿日期:1996-03-15 修回日期:1900-01-01 出版日期:1996-11-20 发布日期:1996-11-20

Pecise Calculation and Analysis of Working Angles of PDC Cutters

Li Shu-sheng Ma De-lun et al   

  1. University of Petroleum, Beijing
  • Received:1996-03-15 Revised:1900-01-01 Online:1996-11-20 Published:1996-11-20

摘要: 根据PDC钻头切削过程的具体特点与有关的金属切削理论,给出了PDC切削齿的工作
角度即前倾角和侧倾角的确切定义,推导了前倾角和侧倾角的精确计算公式,并分析了结构参
数对前倾角和侧倾角的影响规律。这对PDC钻头设计、切削力计算和工作性能预测都具有十
分重要的意义。

关键词: 钻头牙齿, 倾角计算, 分析

Abstract: Acording to the characteristics of PDC bit cutting process and the relevant metal cutting theory, this paper gives ercise definition of working angles, i.e. actual backrake and actual siderake of PDC cutter, derives their urate calculation formulas, and analyzes the law of the effects of structural parameters on them, which is of at importance to the design, cutting force calculation and performance perdiction of PDC bits.

Key words: Bit teeth, Dip countion, Analysis

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