研究了预成型时间和压力、挤出模具几何尺寸、助挤剂含量等对挤出物强度的影响。
The effects of preforming duration, preforming pressure, extrusion die's geometry size and content of lubricant on the extrudate's tensile strength were studied.
把回弹量作为修改模具几何的基础，本文给出了一个获得优化模具几何的迭代算法。
The springback is extracted to be a basis of modification of die geometry. An iteration algorithm is given to obtain the optimum geometry of die.
基于此，进一步分析了模具几何参数和工艺参数对回弹量的影响，为翼子板模具设计提供理论依据。
Based on this, the influence of the die geometry and process parameters on springback was further analyzed, which provides a theoretical basis for the front fender dies design.
模具几何形状是影响金属塑性流动的主要因素之一，通过改变模具的几何形状可以改变金属的塑性流动。
The mold shape is one major factor which affects metal deformation rules, but metal plastic deformation process can be controlled through the change of the mold shape.
用这种模具翻管，可提高翻管制件的几何精度。
The geometrical accuracy of the inversion tube is increased by using this kind of die.
通过设计ecap模具的几何结构，研究了剪切应变累积效应的度量方法。
With structural design of ECAP die, the accumulated effect of shear strains under ECAP was calculated.
拉延件回弹常常会造成最终零件的几何偏差，以至于需要对模具进行修改。
Springback often causes the geometric error when die design is based on the part shape required.
注射成型的挑战的一部分是少的部分的功能和更多关于几何要求做出一个部分模具能。
Part of the challenge of injection molding is less about the function of the part and more about the geometry reqUIrements to make a part mold-able.
型材挤压模具寿命的高低，与模具的结构形状及几何尺寸有很大关系。
The life of a section extrusion die is closely related with the die construction shape and its size.
第二代模具要求原模的几何形状是部件形状的镜像。
A second generation mold requires a master model geometry that is a mirror image about the part design surface as described in the schematic below.
介绍了塑料注射成型模具CAD软件中变量装配的关键技术，并给出了装配设计中几何约束和工程约束实例。
The key technology of variable assemble in CAD software for plastic injection mold is introduced. Examples of the geometry restrains and the engineering restrain in the assemble design are given.
通过实验的方法测量出不同模具的喷嘴压力曲线，证实模腔几何形状与喷嘴压力之间存在确定的关系。
Experiment methodology that measures the nozzle pressure of different molds has been proposed which proved that there existed the internal relationship between nozzle pressure and shape of cavity.
系统介绍了高速铣削加工淬硬模具时刀具材料及几何参数选择、刀具的损坏及检测、刀具与机床连接技术、刀具的安全性等相关刀具技术。
The choice of cutter materials and parameters, the damage and check of cutter, the connection technology of cutter and machine tool, cutter safety are included.
通过对比不同两面顶模具的结构形式，对压缸的几何参数进行了系统的分类和汇总。
Through the comparison among those different structures, the physical parameters of cylinders are systematically clas.
两部分模具体合起来的形状可以是方形、圆形、多边形等几何形状。
The shape of the two parts of the mold bodies after being combined can be geometric shapes such as a square shape, a round shape or a polygonal shape.
两部分模具体合起来的形状可以是方形、圆形、多边形等几何形状。
The shape of the two parts of the mold bodies after being combined can be geometric shapes such as a square shape, a round shape or a polygonal shape.
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