锻造工作

Under static load, and the impact of lower load mode or hot extrusion press forging die.

此钢系高强度热作模具钢，可用于制造工作温度≥550℃并承受较高的静载荷，而冲击载荷较低的锻造压力机模或热挤压模具。

Based on the construction features of the Upper Beam of Large Open-die Forging Hydraulic Press,a finite element model has been established by using large-scale finite element analysis software I-DEAS,and the structural stress and displacement of the upper beam under all sorts of loads have been analyzed.

根据某大型自由锻造油压机上横梁的结构特点，利用大型通用有限元分析软件I-DEAS建立有限元模型，并对上横梁进行了静力学的有限元分析计算，研究了在满负荷工作状态下上横梁的结构应力以及位移情况。

At least 8 years experience in forging or metal working, at least 4 years of managemental experience.

至少8年以上的金属锻造方面工作经验，其中4年的管理经验。

At least 8 years experience in forging or metal working, at least 4 years of managemental experience.

工作经验 Experience：至少8年以上的金属锻造方面工作经验，其中4年的管理经验。

And as a corporate secretary, which needs the training and forging, to coordinate the work can be escorting?

而作为一个企业秘书，需要哪些方面的培养与锻造，才能为协调工作保驾护航？

YJ13/5000 forging hydraulic forging maximum 50 tons of forgings, the biggest trip of 2000 mm, 4000 mm clearance distance, table size 6000 mm * 4000mm, the itinerary 2 * 3000 mm, the number of forging 40 beats / min, structural advanced.

YJ13/5000锻造液压机最大可锻造50吨锻件，最大行程2000mm，净空距4000mm，工作台面尺寸6000mm*4000mm，工作行程2*3000mm，锻造次数40次/min，结构先进。

Under static load, and the impact of lower load mode or hot extrusion press forging die.

此钢系高强度热作模具钢，可用於制造工作温度≥550℃并承受较高的静载荷，而冲击载荷较低的锻造压力机模或热挤压模具。

Crack reasons for this are: the heating temperature is too high as a result of quenching or cooling in a hurry, the quality of thermal stress and metal volume changes in the organization of the anti-stress than the breaking strength of steel; the work of the original surface defects (such as surface micro-cracks or scratches) or the internal defect of steel (such as slag, serious non-metallic inclusions, white point, the residual cavity, etc.) formed in the quenching stress concentration; serious Decarburization and carbide surface segregation; parts after quenching Back lack of timely or tempering fire; processes in front of the stress caused by excessive cold red, forging folding, turning deep marks, sharp edges and corners, such as the oil groove.

造成这种裂纹的原因有：由于淬火加热温度过高或冷却太急，热应力和金属质量体积变化时的组织应力大于钢材的抗断裂强度；工作表面的原有缺陷或是钢材内部缺陷（如夹渣、严重的非金属夹杂物、白点、缩孔残余等）在淬火时形成应力集中；严重的表面脱碳和碳化物偏析；零件淬火后回火不足或未及时回火；前面工序造成的冷冲应力过大、锻造折叠、深的车削刀痕、油沟尖锐棱角等。

A closed-loop control system using Motorolas MEK6800D2 microcomputer for a quick-acting free-forging hydraulic press aggregate is described.

本文报道了采用MEK6800D2微型计算机的自由锻造液压机组的闭环控制系统，阐明了其总体方案、特点、接口设置以及多重中断处理的硬件电路，介绍了部分服务程序、锻造控制程序和专用监控程序的程序流程图以及为提高系统工作可靠性所采取的措施。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。