锻压技术

一种典型回转体零件的旋压工装

英文标题：Spinning assembly for a typical revolution part

作者：韩志仁范作军贾震肖咏

分类号：TG306

出版年,卷(期):页码：2017,42(7):84-87

摘要：

通过对一种典型的回转体零件成形进行工艺分析，提出了旋压成形工艺方案。实验材料为Al6061，在室温下成形。旋压成形此零件需要两道工序，首先根据体积不变原理设计合理的毛坯尺寸，进行第1步预制坯成形，然后进行第2步多道次旋压成形及卷边加工。分析了两步成形工序所需的旋压工装，包括旋轮、芯模和尾顶的选用和设计。选择通用旋轮，安装角为45°；选择多级卷边旋轮，并与普通旋轮集成在数控刀架上。芯模材料为45钢，需进行热处理，工作表面经抛光处理。芯模尺寸参考零件尺寸计算，试旋后根据回弹量进行修模。根据芯模尺寸设计尾顶，第2工序的尾顶对预制坯有校形的作用。

The spinning process was proposed by analyzing the forming of a typical revolution part,the forming experiment of part was conducted at room temperature,and the experiment material was Al6061. First, the performed shape of part should be identified by the constant-volume principle to calculate the dimensions of blank. Next, the multi-pass spinning and curling process were carried out. Then, the spinning assembly in two forming processes was studied including the selection and design of roller, spindle and tailstock. Finally, the general roller with a 45° installation angle and the multistage roller for curling were selected respectively, which were integrated on the tool holder. However, the spindle with steel 45 should be heat treated, and its work surface needed to be polished. Therefore, the dimensions of spindle were designed according to that of part, and they were corrected based on the springback value after initial spinning tests. Thus, the tailstock was designed referring to the dimensions of spindle, and the tailstock in the second process had the function of sizing the preformed billet.

基金项目：

辽宁省自然科学基金资助项目（201602558）

作者简介：韩志仁（1964-），男，博士，教授，博士生导师，E-mail：hanren888@163.com

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