Transactions of Materials and Heat Treatment

Title：Design and development on axial ultrasonic assisted hydroforming device for microtubule

Authors： Chen Zhanbin Yang Lianfa Li Xianzhang Huang Jinjie Jiang Jingyu

Unit： Guilin University of Electronic Technology

KeyWords： microtubule ultrasonic vibration hydroforming axial expansion design of device

ClassificationCode：TG394

year,vol(issue):pagenumber：2021,46(4):69-74

Abstract：

For the characteristics of existing ultrasonic vibration hydroforming device, the vibration is mainly applied to the die, the transmission path of vibration energy is long, and the structure is complicated. Therefore, a kind of axial ultrasonic assisted hydroforming device for microtubule was developed, which applied the vibration to the tube directly, and the ultrasonic and conventional axial expansion were performed on ordinary press. Furthermore, the standard die base was used as the axial feeding mechanism in the device with simple structure and low cost, and by designing an integrated tool head coupled with the function of luffing horn and sealing structure, the ultrasonic vibration was superimposed during the process of axial expansion. Finally, the related tests were conducted with TP2 seamless internal thread copper tube as the test material. The results show that the device is convenient to assemble and disassemble with the simple operation, and the loading of vibration reduces the requirements of axial load and hydraulic pressure during the forming process and strengthens the axial flow of material.

Funds：

广西研究生教育创新计划项目（JGY2019074）；桂林电子科技大学研究生优秀学位论文培育项目资助（18YJPYSS03）；2017广西自然科学基金资助项目（2017GXNSFAA198133）

陈占斌（1992-），男，硕士研究生 E-mail：C_zhanbin@163.com 通讯作者：杨连发（1965-），男，博士，教授 E-mail：y-lianfa@163.com

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