1) holf angle to lean against medel
半角靠模
2) semi-die angle
模具半角
3) semi-coning of conical die
凹模半锥角
1.
Furthermore,optimum design on semi-coning of conical die is done with golden section and differential method,and the α_(opt)-μ relation between αopt.
利用最新推导出的考虑缩口变形中弯曲作用,选用幂函数硬化规律的应力应变关系的锥形模缩口力计算公式,结合常用的Q235钢管和T2铜管缩口实验数据,对影响缩口力的因素K、n、t、mN、μ及α,作了单因素影响的更直观分析,进而,分别用黄金分割法和微分法两种不同的方法对锥形凹模半锥角进行了优化设计,获得了使缩口力最小时的αopt-μ的关系式与关系曲线。
4) radius of radiused die
圆角模半径
5) changeable punch-nose angle
凸模变圆角半径
1.
Aimed at deformation characteristics of the complex box during extrusion, a new class of flow arrest groove with direction and changeable punch-nose angle were brought forward and designed At the same time, the feasibility of flow arrest groove and changeable punch-nose angle was proved by experiments.
针对某复杂盒形件的不规则形状和挤压变形时金属的不均匀流动,提出设计了挤压模的具有方向性的止流槽和凸模变圆角半径,并通过实验验证了止流槽和凸模变圆角半径控制金属合理流动的可行性,为同类型不规则或非对称零件的挤压成形提供了新思路。
6) the radius of the round corner of concave-convex die
凸凹模圆角半径
1.
In this article,an experimental research on the thermal deep-drawing process of (AZ31) magnesium alloy sheets is carried out,and the effects of the radius of the round corner of concave-convex die and the conditions of friction and lubrication on thermal deep-drawing process of(AZ31) magnesium alloy sheets are analysed.
对AZ31镁合金板热拉深进行了实验研究,分析了凸凹模圆角半径大小、摩擦与润滑条件对AZ31镁合金板热拉深成形的影响。
补充资料：半角定理
做三角形内切圆，在ab,ac,bc边上的切点分别为d，e，f l=(a+b+c)/2
则有r=(l-a)tan(a/2)=(l-b)tan(b/2)=(l-c)tan(c/2)
其中a、b、c为三角形内角的符号
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条