概述了提高凸模耐用度的具体途径。
列出了高耐用度凸模的主要类型及其采用的条件。
Basic types of high endurance punches along with the conditions are presented.
介绍了利用浮动凸模来提高零件拉伸成形性能的方法。
The article introduces a method to improve the forming property with floating punch.
分析了冷挤压活塞销凸模的受力情况和主要失效形式。
The stress and the main failure form of the cold extruding die for the piston pins were analyzed.
通过改进拉伸凸模结构，提高球面轴承座模具加工质量。
Through improving the punch structure, improved the spherical surface bearing housing die machining quality.
冲裁间隙是指冲裁凸模和凹模之间工作部分的尺寸之差。
Blanking gap is the difference size between the male die and female die's work part.
设计不同的凸模下压速度、不同壁厚方案并完成相应的数值模拟。
A scheme of different loading speeds and wall thickness was designed and simulated.
按照这些原则与方法确定分段切除顺序时可提高凸模的抗折断能力。
The subsection excision sequence determined according to these principles and methods can improve the punch's resistance to fracture.
从理论上分析了凸模虚拟速度和板料虚拟密度对薄板变形能的影响。
The effect of punch virtual velocity and sheet virtual density on the sheet strain energy was studied in this paper.
以聚氨酯橡胶代替通常钢模中的凹模或凸模是比较有效的方法之一。
It's one of best methods to use polyurethane rubber rather than usual cavity or core in steel die.
凸模是冷挤压模具中重要的工件，其强度计算是模具设计的一个主要课题。
Cold extrusion punch is an important workpiece in punches and its strength analysis is a key component in punch design.
摇盘凸模接触到铝合金液时，控制加压速度平稳一些，可减少气孔的产生。
It can decrease the production of air hole by controlling the stableness of the velocity when female die contacted the liquid of aluminium.
对于凸缘部位的浅拉深，采用压边圈兼作浅拉深凸模的作用，取得较好的效果。
To low drawing in flange part, the blank holder can be used as punch, and the effect is good.
有时候用摇摆凸模结构来代替滑块结构，本文主要介绍了摇摆凸模的设计制造。
In this paper, mainly introduced the design and manufacturing of the swingwing punch.
叙述了卷筒排样设计及模具结构设计，并介绍了卷筒凸模零部件的详细结构设计。
Both layout design and die structure design are stated, and the structure design of convex die components of rolling drum are introduced in detail.
以玻璃制件的热成形凸模为例，说明热成形凸模的主要缺陷：凸模裂纹和凸模伤。
Taken the hot-forming punch of a glass part as an example, the main defects of hot- forming punch is explained, including punch crack and punch wound.
在用半球形凸模进行试验时发现，所用凸模直径和试件形状的不同对FLD有影响。
An experiment with hemispheric punches reveals that the difference in their diameters and the specimen shape has some influence on FLD.
不但使用户大幅度降低了凸模的购置成本，而且使凸模的使用寿命得到成倍的提高。
Thus not only the purchase cost was reduced, but also the working life of the protruding die was prolonged.
该模具的凸模和活动凹模镶块分别在斜楔和楔形滑块作用下水平相向运动完成冲裁。
By controlling the wedge block and springs, its punches and movable plate blocks achieve the horizontal punch movement.
落料凸模内装有导正销，保证了工件上孔和外形的相对位置准确，提高了加工精度。
Blanking punch contents is a derivative sales, and guarantee the workpiece and the shape of the holes in the relative position accurately, improve processing accuracy.
研究了凸模形状、结构- 工艺因素、压应力和拉应力对冷挤压凸模耐用度的影响。
This paper studies the influence of both punch shape and constructivetechnological factors as well as the compressive and tensile stresses on the endurance of cold extrusion punches.
高精度冷冲模冲裁时，为避免凸模受侧向力的影响产生损伤，而采用特殊的卸料装置。
High precision die USES special stripper instrument in order to avoid damage when punch bears side-force.
对无凸模导向和保护套的模具结构进行分析，提出冲裁小凸模强度核算应考虑的问题。
Both the structure of die without punch guidance and protecting jacket are analyzed, and opinions that intensity of blanking small punch should be verified are concluded.
应用成组技术对冷冲模凸模的特征进行了分析，采用特征代码设计了其零件分类编码系统。
The feature of convex-die is analysis by GT technology, and it's classification and coding system is designed by using characteristic code in this article.
形状不良随板料厚度的增加、压边力的增加、屈服强度的降低、凸模曲率半径的减小而减小。
The shape defect is decreased with increasing sheet thickness, increasing binder force, decreasing yield strength, and decreasing curvature radius.
介绍了基座切断弯曲的工艺及模具结构，并对切断凸模、定位推杆及校正弯曲机构作了简单分析。
The cutting bending process and die structure of pedestal are introduced, and the cutting convex die, localization handspike and emending bending mechanism are briefly analyzed.
在进行模具设计时，采用半球形凸模等方式可以实现正、反拉深在一套模具，普通液压机上完成加工。
In the die design, the use of spherical punch made the process of deep drawing and reverse redrawing achieved in one set of mold and common hydraulic press.
通过理论分析，概率修正和实验验证，确定出利用柱形凸模、锥形凹模一次拉深锥形件的极限拉深比。
Through theoretical analysis, probability revisal and experimental test, the limit drawing ratio of a tapered cup drawn by cylinder convex punch and tapered concave die is determined in tis paper.
本文主要利用FEA及PVD技术，针对细小凸模的断裂和磨损两种失效形式，进行失效分析与优化。
In this paper, the failure of pin punch was analyzed and optimized based on FEA and PVD, according to failure mechanism of fracture and wear of pin punch.
本文主要利用FEA及PVD技术，针对细小凸模的断裂和磨损两种失效形式，进行失效分析与优化。
In this paper, the failure of pin punch was analyzed and optimized based on FEA and PVD, according to failure mechanism of fracture and wear of pin punch.
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