标准件、螺栓的热镦，如高强度螺栓、螺帽等；
Standard piece , hot bolt rammer, if high-strength bolt , nut etc.
标准件、紧固件的热镦，如高强度螺栓、螺帽等。
Standard parts, fasteners of hot upsetting, such as high strength bolts, nuts and so on.
介绍了采用无缝钢管热镦挤法兰突缘的工艺设计。
The process design of seamless pipe hot upsetting-extruding method for making flange was introduced.
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。
Die structure was discussed through the analysis of forming process of high intension screw bolt and a set of hot upsetting tool was designed.
以圆柱坯热镦粗和方条料热拔长问题为例，论述了该方法在刚塑性变形分析中的应用。
It was discussed in the paper that the method applied to the analysis of rigidly plastic deformation through examples of upsetting a cylindrical billet and drawing a square...
本文叙述了这种钻杆的焊接性，并与采用热镦粗工艺生产的钻杆管体金相组织和机械性能进行了对比。
The mechanical properties and metallographic structures of the friction welded drill rod and the hot upset forged drill rod pipe are compared.
为防止大气门毛坯在热镦粗过程中产生的折叠、过烧等缺陷，在设计设备时改变了原有的液压控制和电气控制原理。
Original control principle of hydraulic and electric system have been changed in de-sign of equipment to avoid defects such as folding, burning etc produced in upsetting of large air valve preform.
本文运用电子扫描、金相分析、硬度测量等方法对气门阀热镦模的早裂进行了失效分析，探讨了模具的失效机理，提出了改善模具质量、提高模具使用寿命的途径。
In this paper, the failure of hot-work valve die is analysed with SEM, optical microscope and hardometer. The crack mechanism is explained and some methods are presented to prolong the die-durability.
通过镦粗工艺试验，确定了该材料的热变形工艺参数，并对其进行了等温模锻工艺研究。
The technological parameter of heat deformation was confirmed by the test of Upsetting technology, and the isothermal stamping was studied.
介绍了热挤镦加热精整汽车转向机摇臂轴精锻成形工艺，对热挤镦的成形原理及变形过程进行了分析探讨。
The precision forging process for the steering sector gear shaft is discussed in the paper. The principle and the path of forming of the hot extruding and upsetting are also discussed.
此镦压基础知识系列有六部分，第四部分将推荐一些镦压和挤压综合使用时的惯用技术，并讨论温锻压及热锻压技术。
The fourth installment of this six-part series on heading basics will recommend practices when combining upset tings and extrusions and discussed warm and lot heading techniques.
此镦压基础知识系列有六部分，第四部分将推荐一些镦压和挤压综合使用时的惯用技术，并讨论温锻压及热锻压技术。
The fourth installment of this six-part series on heading basics will recommend practices when combining upset tings and extrusions and discussed warm and lot heading techniques.
应用推荐