1)  dun
2)  Cracking
镦断
3)  upsetting
镦粗
1.
Methods and FE Simulation of Improving Quality of Upsetting;
提高自由粗成形质量的工艺方法与有限元模拟
2.
Compare and Analyse of Unit Deforming Force and Boundary Conditions in Model Element of Cylinder Upsetting;
圆柱体粗模型单元单位变形力及边界条件的比较分析
3.
Study on the law of temperature influence on brass upsetting microforming;
温度对黄铜微成形粗的影响规律研究
4)  cold heading
冷镦
1.
Research on ductile fracture criteria and the application in cold heading process;
韧性断裂准则的研究及其在冷成形过程中的应用
2.
To introduce trial production course of ML08Al wire rod for cold heading from 150 mm×150 mm continuous casting billet.
介绍采用150 mm×150 mm连铸坯试制ML08A l冷线材的过程,从化学成分、低倍组织、高倍组织、力学性能等方面分析线材性能。
3.
Adopting the method of combining the Oyane Ductile Fracture Criteria with Finite Element Analysis(FEA) to analyze the deformation course of inner hexagonal bolt with 35K steel,the position for hexagonal bolt head to be easy broken and the cause are discussed,the crazing situations of inner hexagonal bolt in cold heading are forecasted,the results accord with practical breaking situation.
采用Oyane韧性断裂准则与有限元分析相结合的方法,对以35K为材料的内六角螺钉的成形过程进行分析,探讨内六角螺钉头易于开裂的部位及其原因,预测内六角螺钉冷过程中的开裂情况,结果与实际开裂情况相符合。
5)  electrical upsetting
电镦
1.
Selection of the parameters of electrical upsetting process for valve based on artificial neural networks;
基于人工神经网络的气门电工艺参数的选择
2.
Because the electrical upsetting process for valve is complex,the parameters of this process are mostly defined by experience.
该专家系统采用原型的知识表示方式,运用面向对象的程序设计方法开发整个软件,为气门电提供了便于维护的确定较合理工艺控制参数的系统。
6)  cold upsetting
冷镦
1.
Design method for improving cold upsetting mould service life by lining technology;
利用镶套技术提高冷模具寿命的设计方法
2.
On the basis of the analysis of the difficulties for forming the eccentric shaft by cold upsetting, the measures for solving the problem of material flow instability and the improvements in the structure of the die were proposed.
在分析了偏心轴冷工艺成形难点的基础上 ,提出了解决材料流动失稳的措施和对模具结构的改
3.
The design of cold upsetting process is usually carried out by an experienced designer from his own expertise, existing designs and the process rules.
工序设计通常由经验丰富的工艺人员根据已有的设计、工艺原则及其经验进行。
参考词条
补充资料:冷镦
      在室温下把棒材或线材的顶部加粗的锻造成形方法。冷镦主要用于制造螺栓、螺母、铁钉、铆钉和钢球等零件。锻坯材料可以是铜、铝、碳钢、合金钢、不锈钢和钛合金等,材料利用率可达80~90%。冷镦多在专用的冷镦机上进行,便于实现连续、多工位、自动化生产。在冷镦机上能顺序完成切料、镦头、聚积、成形、倒角、搓丝、缩径和切边等工序。生产效率高,可达300件/分以上,最大冷镦工件的直径为48毫米。图1为冷镦螺栓的典型工序。图2为多工位螺母自动冷镦机。棒料由送料机构自动送进一定长度,切断机构将其切断成坯料,然后由夹钳传送机构依次送至聚积压形和冲孔工位进行成形。
  

说明:补充资料仅用于学习参考,请勿用于其它任何用途。