锻压技术

基于响应面法的摩擦旋压温升研究

英文标题：Study on temperature rise for friction spinning based on response surface method

作者：孙守義王进李宝阁曹高威张新月

分类号：TG386

出版年,卷(期):页码：2023,48(12):35-40

摘要：

为了探究摩擦旋压过程中进给速度、主轴转速及锥形件的成形角度等工艺参数对温升的影响规律以及各因素间的交互作用，进行了Box-Behnken实验设计。基于实验设计和测温实验，建立了铝合金摩擦旋压过程中温升相对进给速度、主轴转速、锥形件的成形角度等工艺参数的响应面模型并分析了不同因素对摩擦旋压中温升影响的原因。结果表明：成形角度对温升的影响最大，其次是主轴转速及进给速度；工艺参数的不同会影响旋压力的大小和刀具在工件上走过的路程，从而产生不同的加工温度。改变旋压加工中的刀具形式，可显著提升板料温度，提高工件的成形性。当进给比较小时，不仅加工过程中温升提高，工件的表面质量也得到改善。

A Box-Behnken experimental design was conducted to investigate the influence laws of process parameters such as feeding rate, spindle speed and forming angle of tapered part on the temperature rise in friction spinning process and the interaction between these factors. Based on the experimental design and temperature measurement experiments, the response surface model of the temperature rise relative to the process parameters such as feeding rate, spindle speed and forming angle of tapered part during the aluminum alloy friction spinning process was established, and the causes of different factors affecting the temperature rise in friction spinning were analyzed. The results show that the forming angle has the biggest influence on the temperature rise, followed by the spindle speed and the feeding rate, and the difference of process parameters could affect the value of spinning force and the distance that the tool travels on the workpiece, resulting in different processing temperatures. Changing the tool form in the spinning process can significantly increase the temperature of sheet and improve the formability of workpiece. When the feeding ratio is relatively small, not only the temperature rise in the processing process is increased, but the surface quality of the workpiece is also improved.

基金项目：

山东省重点研发计划项目（2019GGX102023）

作者简介：孙守義（1998-），男，硕士研究生 E-mail：1769420635@qq.com 通信作者：王进（1978-），男，博士，教授 E-mail：wangjin@qut.edu.cn

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