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- backward extrusion punch shape 反挤压凸模形状
- Metal flow is a very inhomogeneous process during backward extrusion of complex box body, Relative shape and size of the blank is a key factor which affect metal flow. 摘要复杂盒形零件的反挤压是一个极其不均匀的流动过程，坯料的相对形状及尺寸是影响金属流动的关键因素。
- Metal flow is a very inhomogeneous process during backward extrusion of complex box body,Relative shape and size of the blank is a key factor which affect metal flow. 复杂盒形零件的反挤压是一个极其不均匀的流动过程,坯料的相对形状及尺寸是影响金属流动的关键因素。
- Metal flow is a very inhomogeneous process during backward extrusion of complex box.It is predominant how to harmonize and to control metal rational flow at each deformation zone. 复杂盒形零件的挤压成形是一个极其不均匀的流动过程,如何协调和控制各变形区金属的合理流动,是其挤压成败的关键。
- Extrusion punches must be coated to prevent galling. 为防止磨损拉伸冲头必须做镀层处理。
- A modified kinematically admissible velocity field for the backward extrusion of internally circular shaped tubes from arbitrarily shaped billets is proposed. 提出了对任意形状坯料的反挤压成形内圆筒的运动许可速度场改善。
- In this paper are described factors that exercise an influence on life of cold extrusion punch, are analysed all destruction of punch, structure on its life. It is done to analyse the stress state of punch by stress test. 本文论述了影响冷挤压凸模寿命的因素,分析凸模的各种破坏状态,而后着重分析凸模结构对寿命的影响。
- By improving the design of forging die and using press-forging and backward extrusion principle,solves the problems of 130 steering knuckle forming which can not be fully filled during forming. 通过改进预锻模膛的设计,利用镦粗成型、反挤成型的原理,有效解决了130转向节板部模锻成型时充不满的问题。
- A new method for processing the hexagonal hole in the axle by hot backward extrusion on the friction press was proposed,which threw away the traditional milling or slotting method. 对轮轴上六方孔的加工提出了摒弃传统的铣插加工方法,采用在摩擦压力机上进行热反挤压成型,并就可能出现的缺陷及防止措施进行了探讨。
- The manufacture time and cost can be sharply reduced by adopting two times punch shaping process with the aid of the mould of standard elliptical head. 利用标准椭圆封头胎具,采用二次冲压成形工艺,缩短了制造周期,大大降低了制造成本。
- Backward Extrusion Rotary Swaging Forging 旋转反挤压锻造
- MN copper rod and wire backward extrusion press 铜棒线反向挤压机
- Determination of Preheating Temperature of Hot Extrusion Punch 热挤压凸模预热温度确定
- The study of backward extrusion die designing 反向挤压模具设计探讨
- The punch in the stomach completely winded me. 我肚子上挨了一拳一时完全喘不过气来。
- It was vodka, and it packed quite a punch. 这是伏特加酒，它有强烈的刺激作用。
- Discusson on Calculation Formulas of Backward Extrusion Force 反向挤压力计算公式分析
- He laid the attacker low with a punch to the jaw. 他一拳击中攻击他的人的下颚，把他打倒在地。
- Research on Control Technique of Metal Backward Extrusion Press 关于金属反挤压机控制方法的研究
- If we can pull through this recession, we will be in good shape. 如果我们能渡过这段经济不景气的时间，我们就会好多了。
