航空发动机钛铜合金薄壁缸套高效超声珩磨加工技术的研究

Research on the high-efficient ultrasonic honing processing technology of aeroengine's Ti-Cu alloy thin-walled cylinder

怎样进一步提高航空发动机薄壁钛铜合金缸套珩磨加工效率问题一直是行业研究探索的难题。利用超声振动的方法来改进珩磨加工中冷却液不易进入工作面、磨屑排出不畅及油石易堵塞等问题。通过对超声振动运动学模型的研究,设计了一种纵向与横向运动可控的复合超声振动珩磨装置;通过实验,证明其有效地优化了磨削运动过程,提高了航空发动机薄壁钛铜合金缸套珩磨加工表面质量和效率。

How to improve the honing processing efficiency of aeroengine＇ s Ti-Cu alloy thin-walled cylinder has always been a difficult problem that the industry has been probing and exploring. Focuses on using the way of ultrasonic vibration to solve the problems of coolant＇ s hard entrance into the working surface, poor discharge of abrasive dust, and easy block of whetstones in honing processing. Through the research on kinematics model of ultrasonic vibration, a controllable compound ultrasonic vibration honing device with longitudinal and lateral movement has been designed. After experiments, it is proved that this optimizes the motion of grinding process efficiently and improves processing surface quality and efficiency of the aeroengine＇ s Ti-Cu alloy thin- walled cylinder.