一、前言普通旋压是一种历史悠久的钣金成形工艺方法。随着旋压机床自动化程度的日益提高,这种古老的工艺正在不断获得新的生命力,技术日臻完善,质量显著提高,应用日趋广泛,尤其是在民用工业中,普旋已成为不可缺的重要工艺手段。压力容器,日用器皿,特别是工艺美术制品的制造都离不开普 I. Introduction Ordinary spinning is a long history of sheet metal forming process. With the increasing degree of automation of the spinning machine, this ancient craft is gaining new vitality continuously, the technology is improving day by day, the quality is improved remarkably, the application is more and more extensive, especially in the civil industry, universal rotation has become an indispensable important Technological means. Pressure vessels, household utensils, especially the manufacture of arts and crafts are inseparable from the general