摘要
螺旋伞齿轮广泛应用于重型车辆及军用飞机的传动系统中。磨削作为螺旋伞齿轮加工中的最后一道工序,若磨削表面形貌不符合要求,将导致齿轮耐磨性及抗疲劳强度降低,传动时产生过大的噪声与振动,严重影响重载车辆传动系统的使用寿命与可靠性。为此,通过对螺旋伞齿轮磨削磨粒运动轨迹、砂轮表面形貌特征进行建模和仿真,实现对螺旋伞齿轮磨削表面形貌的预测与分析。针对螺旋伞齿轮设计磨削试验,探究不同磨削工艺参数对齿轮表面形貌的影响。研究结果表明,提高磨削速度与展成速度、增加磨粒粒度皆有利于获得良好的磨削表面形貌,仿真及试验所获得的螺旋伞齿轮磨削表面形貌基本一致,所建模型可有效地分析螺旋伞齿轮磨削表面形貌的产生过程及各加工参数对其影响机理。
The spiral bevel gears are widely used in the transmission systems of heavy vehicles and military aircraft.As the last step of gear machining,it would affect the service life and reliability of heavy duty vehicle transmission system if the surface topography fails to meet the requirements.Thus,the prediction and analysis of the grinding surface topography of spiral bevel gears are realized through the modelling and simulation of abrasive particle trajectory and wheel surface topography.The experiment of spiral bevel gear grinding is designed to investigate the influence of different grinding parameters on the surface topography.The results show that the increase of grinding speed,generating speed and grain grit are beneficial to obtain fine surface morphology.The surface morphology of spiral bevel gear obtained by simulation and experiment is basically the same,which shows that the model can effectively analyze the production process of spiral bevel gear grinding surface and the influence mechanism of various grinding parameters.
作者
梁志强
黄迪青
周天丰
李宏伟
刘心藜
王西彬
张国振
王洪臣
LIANG Zhiqiang;HUANG Diqing;ZHOU Tianfeng;LI Hongwei;LIU Xinli;WANG Xibin;ZHANG Guozhen;WANG Hongchen(Key Laboratory of Fundamental Science for Advanced Machining,Beijing Institute of Technology,Beijing 100081;Beijing North Vehicle Group Corporation,Beijing 100072)
出处
《机械工程学报》
EI
CAS
CSCD
北大核心
2019年第3期191-198,共8页
Journal of Mechanical Engineering
基金
基础科研项目(A0920132008
JCKY2016208B006)
国家重点基础研究计划(2015CB059900)资助项目
关键词
螺旋伞齿轮
磨削
表面形貌
仿真
spiral bevel gear
grinding
surface topography
simulation
