分析了冲裁凹模工作部分的结构形式。
The structure and composition of work area of matrix was analyzed.
该模具将凹模设计成活动式，凸模固定。
The female die was designed movable but the male die was fixed.
讨论了挤压流动模型、凹模优化设计原理。
The flow model of extrusion and optimal principles of die design are discussed.
冷镦圆头凹模是冷镦螺栓生产过程中的关键模具。
Cold upset female die of fillister head is the key mold in the manufacturing process of heading bolt.
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.
凸模产生的裂纹相对于凹模产生的裂纹向里移动一个距离。
The male die's gap opposite female die's gap move one distance outward.
本论文对曲面凹模成形工艺的若干问题进行了系统的理论分析。
In this thesis, the basic aspects about forming process of camber die are studied etically .
最后通过一个“电话上盖凹模加工”实例实现刀具轨迹的优化。
Finally, the tool path optimization has been realized through the example of "a telephone's top head concave mold processing".
最后达到了凹模结构的各个参数的优化设计，得到了预期的结果。
Finally, each optimized design parameter of the concave die structure had achieved, and obtained the anticipated result.
并导出了平底及锥形凹模内正挤空心件时单位挤压力的计算公式。
The formulas of extrusion for hollow parts in the square dies and the conical dies has been derived.
盒形件拉深主要变形区集中在盒形件角部的法兰和凹模圆角部位。
The main deformation areas of the rectangular box in deep drawing were flanges and the circle-corners of female die in the corners.
通过拉深工艺试验证明该曲面凹模可以达到很小的极限拉深系数。
And it is proved that it can reach smaller limit drawing ratio by the deep drawing experiments.
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.
本文给出了花键轴开式整体凹模挤压时挤压力计算的三维上限分析法。
A three dimensional upper bound analysis technique for calculating the extrusion pressure of a spline shaft was presented in this paper.
差压计锻件可以采用普通开式模锻成形和可分凹模多向闭塞精密模锻成形。
The differential gauge forging can be made by general open die or horizontal split precision closed die.
优化了模具结构，同时也介绍了在冲压过程中凸、凹模易开裂采取的措施和方法。
Also introduced the measure of prevent the convex and concave die cracking in course of pressing.
对硬质合金拉伸凹模结构及设计要点作了详细介绍，对同类型模具设计提供了参考。
The structure and design points of hard alloy drawing combination concave die were introduced in detail and provided the reference to the similar die design.
阐述了槽型凹模拼块在加工时的工艺流程、工艺要求，以及槽型凹模拼块组装程序。
The technology process, technology requirement and the assembling procedure of shaped groove die were also set forth.
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.
组合凹模的应力分析是一个非常复杂的问题，对其进行精确分析是解决模具寿命的关键。
The stress analysis of combined die is a very complicated problem, and the exact analysis on it is a key to solve the mould life.
组合凹模的应力分析是一个非常复杂的问题，对其进行精确分析是解决模具寿命的关键。
The stress analysis of compound female die is a very complicated problem. Its accurate analysis is the key to solve die longevity.
组合凹模的应力分析是一个非常复杂的问题，对其进行精确分析是解决模具寿命的关键。
It is a very complicated problem to analyze the stress of combined matrix, and the key point related to die life is to do it's precise analysis.
冲裁侧刃是端子模具中的重要工序，其冲裁形状和凸、凹模结构对端子生产质量影响很大。
Punching side blade is an important procedure of terminals die, its punching shape, concave die and convex die structure greatly impact the terminals on manufacture quality.
拉深系数为0.39的两种零件，从试制到生产，证明了锥形凹模是可以实现深拉深的模具。
Two parts whose drawing coefficient are 0. 39 passed through testing to production. It proved that taper female die is used up in deep drawing.
通常当内部压力由于切向或者各个空间应力高到足以发生横向破裂时，凹模必须至少有一个加强圈。
Normally dies have to have at least one support ring as the internal pressures are high enough to cause transverse cracking due to tangential or triaxial stresses respectively.
在工作过程中，冲头与凹模切口的半径定位，确保形成所需的圆形，而不至于在圆边产生“缺口”。
The radius of the punch and die cutting edges is laid out to produce the desired circular shape without nicking into the circle as the work proceeds.
凹模在使用过程中，由于交变载荷的作用，使碳化物的棱角处应力集中出现裂纹，最终导致凹模开裂。
The crack appears at the edge angle due to stress concentration caused by alternating load, which finally leads to the fissuring of die plate.
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.
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.
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