介绍了用于制备纳米块材的等截面侧挤压技术的原理、方法和应用，并就其实验用模具的结构设计与尺寸确定作了详尽讨论。
The principle, method and application of equal cross section lateral extrusion process are introduced. The design of the structural parameters of the experimental die is discussed in detail.
对于非椭圆截面曲臂的大型曲轴，其模具结构设计对曲轴成形后的形状尺寸精度影响极大。
The design of die structure has much influence on shape dimension and precision of the formed crank-arm with a non elliptical section.
模具曲面用通过毛坯和型材截面的带张力参数的弗格森曲面表示，具有通用和曲面形状变化丰富的特点。
The die surface is represented by the Ferguson surface with tension parameter through transverse sections of product and billet, so it is universal and flexible.
应用推荐