查询词典 forming punch

But there is a puzzle during forming process, which is that the punch fractures after producing a quantity of the automotive tyre nuts. After choosing other materials for the punch, fretter still happened in the same position of the punch.

但是在成形过程中往往出现一个现象，生产一定数量的工件后，冲头发生断裂，选用不同的材料后，断裂部位仍发生在同一位置。

Simulation results of initial hole included the relationship of punch load and punch stroke, the hole profile, the distribution of stress and strain, the forming limit diagram, and the variation of the workpiece thickness. The simulation results showed good agreement with the experiments in the bore-expanding process.

由初始孔径4mm之料片於扩孔成形之数值模拟与实验结果比较得知，冲头负荷与冲程关系、内孔轮廓大小、应力与应变分布、成形极限图与工件厚度分布等，皆显示实验与数值模拟间的一致性。

A progressive sequence of dies for forming a cavity having a desired length, width and depth, comprising: a plurality of extendable punches, each with an impact surface, said impact surfaces alternating between a first desired pattern comprising a plurality of piercing points and a second desired pattern comprising an essentially flat surface, the length and width of each said impact surface approximately equal to the desired length and width of said cavity; a die body including a plurality of apertures adapted to receive each said punch; an opposing post positioned within each said aperture having an impact surface congruent with each said impact surface; and at least one moveable forming bushing supported by at least one forming bushing actuator slideably engaged to each said opposing post.

形成有被需要的长度、宽度和深度的一个洞的一钢模的前进序列，包含：一个可扩充打洞器的多数，每个与一个冲击表面，说冲击升至水面交互的在组成一个刺骨点的多数的一个首先需要的式样之间而且秒需要了组成一个本质上平坦的表面、长度的式样，而且每个的宽度对被需要的长度和说的洞宽度说大约相等的冲击表面；一个包括一个孔的多数一钢模身体适应接受每个说打洞器；放置在每个里面的反对职位说孔让一种冲击升至水面适合的与每个说冲击表面；而且至少被可滑动地每个被预订到的至少一个形成桥衬主动器支援的一个家具形成桥衬说反对职位。

A forming die set, comprising: an extendable punch having a first impact surface comprising a plurality of piercing points; a die body containing an aperture adapted to receive said punch; a fixed opposing post having a second impact surface positioned within said aperture, said opposing post recessed below a surface of said die body; at least one forming bushing slideably engaging said opposing post and positioned between said opposing post and said die body; and at least one forming bushing actuator supporting said at least one forming bushing.

形成一钢模组，包含：一个可扩充的打洞器让一种第一种冲击升至水面包含一个刺骨点的多数；一个包含一个孔的一钢模身体适应接受说打洞器；有一个第二个冲击表面的固定反对职位放置在说的孔里面，说反对被在一个说的一钢模身体的表面下面作凹处的职位；至少一个形成桥衬可滑动动人说反对职位而且在说反对职位之间放置而且说一钢模身体而且至少一个支援的形成桥衬主动器至少说一个形成桥衬。

This paper, firstly, based on the main technology characters in the punch forming of our lorry, puts forward a question on the bottleneck of key technology during the punch forming of medium plate.

本文首先叙述我国铁路货车冲压成形的主要技术特点，指出了中厚板冲压成形关键技术所存在的瓶颈问题。

To study the effect of thermal deformation parameters such as punch velocity,forming temperature and forming load on forming process of 5A02 aluminum alloy microgears,a microdie is designed and fabricated and pressing ratio is used as evaluation parameter to indicate compactness.

为了研究凸模速度、成形温度和成形载荷等热变形参数对5A02铝合金微型齿轮成形的影响规律，设计制造了微型齿轮模具，在自行研制的微塑性成形设备上，将压入高度比作为填充程度的评价参数进行了成形实验，成功获得了质量良好的节圆直径为Φ1 mm的5A02铝合金微型齿轮。

Raw material supply, material heating, forming, punch holes, counting cut-off

原料传送、料带加温、成型、冲孔、计量切断、成品卷带全自动设计。

Main processing workpieces for: plastic mold connector (FPC, USB, FFC, PPC, SATA, etc.) on the use of various high-precision needle PIN, Inserts and hardware module on the use of tungsten steel punch, forming punch (the Quartet, hexagonal, ellipsoid, etc.).

主要加工工件为：连接器塑胶模(FPC、USB、FFC、PPC、SATA等)上使用的各种高精密PIN针、镶件和五金模上使用的钨钢冲头、成型冲头。

Fidelity Precision tungsten steel main products: tungsten steel punch, tungsten steel liner sets, forming punch, flat thimble, precision rod, tungsten steel book strip, inserts, tungsten carbide drawing die, shrink tube mold, Jian Kou mold, fire nozzle, tungsten steel knife, tungsten steel blank, tungsten steel box, and other precision parts.

富达精密钨钢主要产品：钨钢冲头、钨钢衬套、成型冲头、扁顶针、精密圆棒、钨钢簿长条、镶件、钨钢拉深模、缩管模、剪口模、射咀、钨钢刀、钨钢毛坯、钨钢方块等精密配件。

The objective of this study was to analyze the square cup stretching process by using the dynamic explicit finite element analytical program, which was based on the Updated Lagrangian Formulation and elasto-plastic theory. Simulation results included the deformation and crack propagation history, the variation of the work piece thickness, the Forming Limit Diagram, and the relationship between punch load and punch stroke. A set of tools was designed for the square-cup stretching experiment to verify the reliability of the program.

中文摘要本文采用显性动态有限元素法，结合材料弹塑性理论，发展出一套三维增量型之有限元素分析程式，进行金属板材方杯拉伸成形制程及破裂之分析，并探讨方杯拉伸成形历程及裂纹成长历程、工件厚度变化、成形极限图(Forming Limit Diagram， FLD)，及冲头负荷与冲程关系，并设计一组方形冲模来进行方杯拉伸成形实验，以验证程式的可信度。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。