双圆弧斜齿齿轮泵转子加工刀轨规划及仿真  

Planning and Simulation of Tool Path for Rotor Machiningof Double Arc Helical Gear Pump

作　　者：董庆伟[1] 周群起 李阁强[1] 刘理想 DONG Qing-wei;ZHOU Qun-qi;LI Ge-qiang;LIU Li-xiang(School of Mechatronics Engineering,He’nan University of Science and Technology,He’nan Luoyang 471003,China)

机构地区：[1]河南科技大学机电工程学院,河南洛阳471003

出　　处：《机械设计与制造》2024年第3期214-217,223,共5页Machinery Design & Manufacture

基　　金：河南省重点研发与推广专项(科技攻关)项目(202102210277)。

摘　　要：针对双圆弧斜齿齿轮泵转子加工方法中存在的加工效率和精度比较低等问题,提出了利用球头铣刀在数控铣床上加工双圆弧斜齿齿轮泵转子的方法。研究目标是:根据双圆弧斜齿齿轮泵转子方程,结合空间啮合原理,建立了双圆弧斜齿轮的加工坐标系,根据各坐标系之间的转换矩阵,建立了双圆弧斜齿齿轮泵转子的齿面方程,模拟使用球头铣刀进行加工过程,计算出加工刀具中心在平面和空间轨迹,同时给出判定球头铣刀不发生干涉的最大半径的方法。利用VERICUT软件建立虚拟制造环境并进行铣齿仿真加工,验证了双圆弧斜齿齿轮泵转子齿面数控加工方法的正确性及其可行性。Aiming at the problems of low machining efficiency and accuracy in the machining method of double-arc helical gear pump rotors,a method of machining double-arc helical gear pump rotors on CNC milling machine with a ball-end milling cut-ter is proposed.The research objective is to establish the machining coordinate system of the double arc helical gear according to the rotor equation of the double arc helical gear pump and the principle of spatial meshing,and establish the double arc helical gear according to the conversion matrix between the coordinate systems The tooth surface equation of the pump rotor simulates the machining process using a ball-end milling cutter,calculates the plane and space trajectory of the machining tool center,and gives a method to determine the maximum radius of the ball-end milling cutter without interference.Using VERICUT software to establish a virtual manufacturing environment and carry out milling simulation processing,the correctness and feasibility of the numerical control machining method of the double-arc helical gear pump rotor tooth surface is verified.

关 键 词：双圆弧斜齿齿轮泵 齿轮建模 球头铣刀 仿真加工 

分 类 号：TH16[机械工程—机械制造及自动化] TH325