Analyzed press technology characteristics of vent-windows of the car side board, designed a lancing-drawing compound die.
分析了车厢侧板零件通风窗冲压加工的工艺特点，设计了一副针对该零件加工的切口拉伸复合模。
This paper analyzed technological peculiarities on the step part, designed a drawing and extruding compound die. It can improve the part quality and benefit.
通过分析零件的工艺特点，设计了拉伸挤压复合模，不仅可提高零件质量，而且可提高生产效率。
The structure, main design parameters and work process of the compound die installed on single action press and working for blanking and drawing with constant blank holder pressure were presented.
介绍了用于单动压力机的新型恒压边力落料拉伸复合模的结构及主要设计参数和模具工作过程。
Adopting once punching process and using fewer cost and worse plasticity leftover material finish twice drawing of compound die.
分析了小圆角圆筒件的成形工艺性，利用成本较低、塑性较差的角料，采用一次冲压工序完成二次拉伸的复合模。
Then layout design and various process forces of calculation is introduced. Finally drawing and extrusion compound dies is adopted to make die structure better rationalization and effectiveness.
并进行了排样设计和各种工艺参数的计算，最终采用拉深、挤边复合模具，可使模具结构更为合理而有效。
Mainly introduced the detailed structure and working process and the technology analysis of the blanking-drawing-extruding compound die for the stainless steel whistle pot cover.
主要介绍了不锈钢球形响壶盖的落料、拉伸、挤边复合模的详细结构、模具工作过程、工艺分析。
Introduced design of the adjustable blanking-drawing compound for the drawing with flange, the drawing die could adjust the flange size, and satisfied the part tolerance requirement.
介绍了带凸缘拉伸件可调式落料拉伸复合模设计，实现对凸缘直径尺寸可以进行调整以实现一定公差要求的模具结构。
Introduced design of the adjustable blanking-drawing compound for the drawing with flange, the drawing die could adjust the flange size, and satisfied the part tolerance requirement.
介绍了带凸缘拉伸件可调式落料拉伸复合模设计，实现对凸缘直径尺寸可以进行调整以实现一定公差要求的模具结构。
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