现代制造工程 ›› 2018, Vol. 459 ›› Issue (12): 103-106.doi: 10.16731/j.cnki.1671-3133.2018.12.017

• 制造技术/工艺装备 • 上一篇    下一篇

双金属带锯条齿距与切削力关系研究

刘国跃1,2, 周志雄1, 贾寓真2, 刘刚2   

  1. 1 湖南大学机械与运载工程学院,长沙 410082;
    2 湖南泰嘉新材料科技股份有限公司,长沙 410200
  • 收稿日期:2017-10-18 发布日期:2019-01-07
  • 作者简介:刘国跃,博士后,主要研究方向为带锯条齿形设计、锯切机理以及应用,已发表论文13篇,其中7篇EI收录。周志雄,通信作者,博士生导师。E-mail:fivev5@163.com;zhouzx8@hnu.edu.cn
  • 基金资助:
    湖南省科技厅资助项目(2016GK4018,2017TP2012)

A study on relationship between teeth distance and cutting force of bi-metal band saw blade

Liu Guoyue1,2, Zhou Zhixiong1, Jia Yuzhen2, Liu Gang2   

  1. 1 College of Mechanical Vehicle Engineering,Hunan University,Changsha 410082,China;
    2 Bichamp Cutting Technology(Hunan)Co.Ltd.,Changsha 410200,China
  • Received:2017-10-18 Published:2019-01-07

摘要: 齿距是双金属带锯条设计、选型和应用的关键参数。根据带锯条在切削过程中的受力特点,分析了带锯条常见失效形式(切斜)的主要原因是带锯条背部产生弯曲形变。这种弯曲形变与带锯条所受到的切削力、进给力、张紧力以及齿距选型相关。从切削用量的角度,建立了带锯条单齿切削深度与齿距的关系,并且通过计算和实验证明增加齿距可以降低切削力和进给力,但也会使单个锯齿受力增加、磨损加快。

关键词: 双金属带锯条, 齿距, 切削力, 进给力

Abstract: Teeth distance is a key parameter for bi-metal band saw blade application.Crook cutting is mainly caused by deformation of the back blade according to force analysis in the sawing progress.The deformation is connected to the cutting and feed force which is influenced by teeth distance.A formula for the relationship between the cutting depth parameter and teeth distance has been build.On the ground of the results from calculation and experiments,it finds that adding teeth distance will descend the cutting and feed forces on the whole blade but increase those on the single teeth.

Key words: bi-metal band saw blade, teeth distance, cutting force, feed force

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