Research on Grinding Parameters in Machining Helical Groove of Cutting Tools with a Dishing Wheel

Abstract

Abstract:

Based on the theory of non-instantaneous center enveloping, a mathematical model of helical groove was established, and the function of grinding parameters and design parameters were deduced. According to the mathematical model, a human-computer interactive interface used to calculate the grinding parameters and simulate the groove section was developed, and then the section profile of the simulative groove and actual groove were compared. The results show a good agreement and verify the validity of the mathematical model. In addition, variations of grinding parameters and groove influenced by design parameters were simply discussed.

Key words: helical groove, grinding parameter, non-instantaneous center enveloping, mathematical model

摘要：

基于无瞬心包络原理，建立了刀具螺旋槽的数学模型，推导了螺旋槽磨削参数和设计参数之间的函数关系式；根据数学模型，利用MATLAB开发了用于计算螺旋槽磨削参数和数值仿真刀具槽形的人机交互式界面程序；将刀具仿真槽形与实际槽形进行对比，结果表明两者具有很好的一致性，这证明了数学模型的有效性。另外，初步讨论了设计参数与刀具磨削参数及槽形之间的变化关系。

关键词: 螺旋槽, 磨削参数, 无瞬心包络, 数学模型

CLC Number:

TG701

Zeng Tao, Zhou Zhixiong, Tang Aimin, Xiao Silai, Zuo Xiaochen. Research on Grinding Parameters in Machining Helical Groove of Cutting Tools with a Dishing Wheel[J]. China Mechanical Engineering, 2015, 26(5): 575-580.

曾滔, 周志雄, 汤爱民, 肖思来, 左小陈. 碟形砂轮加工刀具螺旋槽的磨削参数研究[J]. 中国机械工程, 2015, 26(5): 575-580.

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