翻管成形的分析研究和有限元模拟

• 作 者: D.Schmoeckel 李金培
• 出 处: 模具技术
• 发表日期: 1992年04期
• 关键词: 成形法 凹模 成形方法 双壁管 驱动元件 手工业生产 冷成形 圆管 几何参数 成形过程

一、引言翻管是一种新颖的冷成形法,尚末广泛地应用于手工业生产中。它能用工业圆管制造双壁管子,无疑是一种重要的成形方法。应用该方法能生产很多种零件,从热交换器到驱动元件。为应用这种新工艺开辟了新领域。翻管原理如图1所示。图形凸模压迫管子进入成形凹模翻卷,形成第二层壁。成形分两种方法:第一种,周边扩大,称之为外翻(图1a—f);第二种,周边减小,称为内翻(图 g-

I. Introduction Tipping is a novel cold forming method, yet not widely used in handicraft production. It can be used to manufacture double-walled pipe industrial tube, is undoubtedly an important forming method. Application of the method can produce a variety of parts, from the heat exchanger to the drive components. Opened up new fields for the application of this new process. Turn the pipe principle shown in Figure 1. The pattern punch presses the tube into the forming die and rolls over to form the second wall. The formation of two ways: the first, the surrounding expansion, called the valgus (Figure 1a-f); the second, reducing the circumference, known as varus (Figure g-