The preparation and treatments of the tips blank and structure design of the cold upsetting die were introduced.
介绍了漏嘴坯制备处理及冷镦模具结构设计。
Core of large roller cold upsetting die made of ld steel has more ideal hardness, strength, anti wear capacity and impact toughness.
采用LD钢制造大型滚子冷镦模具的模芯，具有较理想的硬度、强度、耐磨性和冲击韧性。
It introduced the merit and method for applying cold extruding technology to produce upsetting die and also introduce the manufacturing process of representative upsetting die.
介绍了利用冷挤压技术生产冷镦模具的优点和方法，以及典型冷镦模具的制造过程。
A description has been made on a structure and principle of progressive die used on a general press for shear, upsetting and automatic feed used for forming small axial parts.
介绍了用在通用压力机上成形小型轴类零件的一种新型切断、冷镦自动送料连续模的结构形式、工作原理和设计要点。
The densification effects of upsetting and repressing are compared, and a technology design principle for closed die forging is suggested .
分析了粉末烧结材料镦粗和复压工艺的致密效果，提出了闭式模锻工艺设计原则。
Die structure was discussed through the analysis of forming process of high intension screw bolt and a set of hot upsetting tool was designed.
通过分析高强螺栓的成形工艺，对模具结构进行深入探讨，设计了一套热镦模。
Process condition of upsetting shoulder was discussed and forming force was calculated based on column buckling theory. The die structure and working principle was introduced.
基于压杆稳定理论，探讨了该制件镦压凸肩的工艺条件，计算所需的工艺力，介绍其镦压成形模具的设计结构、工作原理。
The spring back and secondary yielding of cylindrical billets in elastic tools during upsetting and closed-die upsetting are analyzed.
对圆柱形工件在弹性工具中镦粗和闭合模镦粗时的回弹和二次屈服进行了分析。
Using closed die upsetting process to manufacture thick wall tubes on normal hydraulic press may cause the dis uniformity of the thickness along the length of the tube.
提出了一种浮动凹模芯模闭式镦粗法，以解决厚壁管在单向加压的普通液压机上进行闭式镦粗后壁厚不均的问题。
The weaknesses have been pointed out of former die structure for upsetting and extruding dumb iron. A de-sign of new type of combination die has been presented, resulting in markedly reduced die cost.
针对原弹簧座镦挤模具结构的缺陷，设计了新型镶块式模具结构，使模具成本显著降低。
Will you become excited one day at the fact that it is merely your attitude, casual words and actions that caused the world upsetting you die?
有一天，周围令你不愉快的世界死去，它的消亡仅仅是由于与你的态度，由于你的不经意的一点一滴言行，你会不会因此而兴奋起来。
Based on summing up different kinds of technological process of precision forging of spur gear, a new upsetting extrusion process and pattern die are designed.
在总结各种直齿圆柱齿轮精锻工艺的基础上，设计了一种直齿圆柱齿轮镦挤精锻工艺和模具，并进行了实验和上限模拟。
By the conditions of plastic stability of a column, the critical coning of die cavity is derived. conditions under which plastic instability can be avoided during upsetting are proposed.
利用压杆塑性稳定条件，导出了锥腔的临界角；提出了不产生塑性失稳镦锻的综合条件。
This paper introduced a process of the bidirectional hole expanding upsetting process of thick wall tube and its die design.
设计了一种医用微细介入导管的扩口模具，介绍了扩口模具的设计思路，探讨了影响导管扩口质量的工艺条件。
By the conditions of plastic stability of a column, the critical coning of die cavity is derived. conditions under which plastic instability can be avoided during upsetting a...
利用压杆塑性稳定条件，导出了锥腔的临界角；提出了不产生塑性失稳镦锻的综合条件。
By the conditions of plastic stability of a column, the critical coning of die cavity is derived. conditions under which plastic instability can be avoided during upsetting a...
利用压杆塑性稳定条件，导出了锥腔的临界角；提出了不产生塑性失稳镦锻的综合条件。
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