锻压技术

牵引机牵引头及其压片曲线设计

英文标题：Design on tractor head and its pressing slice curve

作者：刘慧军1 王丽薇1 隋学坤2

关键词：牵引机牵引头压片曲线挤压机

分类号：

出版年,卷(期):页码：2016,41(4):78-81

摘要：

针对牵引机牵引头夹持挤压制品时既要保证挤压制品受力均匀，又要适用于不同形状和尺寸的问题，介绍了一种牵引头结构，并阐述了该牵引头及其压片的设计原理和工作过程。依据牵引头及其压片设计要求，推导出牵引头压片外形轮廓的曲线方程，利用三维设计软件生成了压片外形轮廓曲线，并截取所需曲线段生成压片模型。将该方法应用于铝挤压机牵引机牵引头压片零件三维设计，现场使用情况表明：牵引头可实现对挤压制品的平稳牵引，制品质量合格。

To ensure the even force acting on extrusion products and be suitable for different shapes and sizes of tractor head clamping extrusion products，the structure of tractor head was introduced，and the working principle of the tractor head and its working process were also expounded. According to the work requirements of tractor head and pressing slice, the equation of pressing slice curve of tractor head was derived, and the contour curve of the pressing slice was generated by 3D design software, then the needed curve was intercepted to generate the slice model. This method was applied in three dimension design of slice by the tractor head of aluminum extrusion press. The field operations show that the tractor head can placidly pull the extrusion products, and the extrusion products have good quality.

基金项目：

刘慧军（1981-），男，硕士，工程师

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