1) close-die upsetting
闭式冷镦
1.
Taking the shaft of automobile gearbox as an example,a multi-step cold-forging technology for manufacturing the multi-diameter shaft on ordinary hydraulic presses by adopting open-die cold extrusion and close-die upsetting was stated.
以汽车变速箱二轴锻件为例,介绍了在通用液压机上采用开式冷挤压与闭式冷镦相结合的成形方法锻制阶梯轴的一种多工步冷锻工艺。
3) Closed-die upsetting-extrusion
闭式镦挤
1.
Closed-die upsetting-extrusion process is a suitable method to forming this kind of component because component forme.
零件闭式镦挤成形是较为合适的加工方法,不仅可以满足零件的质量要求,而且可以节省材料和加工时间,降低加工成本。
4) opened cold forging
开式冷镦
1.
Base on the method of numerical simulation,both free cold forging and opened cold forging of shaft with boss were analyzed.
基于数值模拟的方法,分析了凸台轴的自由冷镦和开式冷镦两种加工方法。
5) 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镦成形过程中的应用
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冷镦线材的过程,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,预测内六角螺钉冷镦过程中的开裂情况,结果与实际开裂情况相符合。
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镦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.
在分析了偏心轴冷镦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.
冷镦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。
补充资料：闭式叶轮
分子式：
CAS号：
性质：具有轮盘、轮盖的离心式叶轮。在固定式离心式压缩机中用得较多的一种。没有叶片顶部的潜流损失，效率较高，但轮盖的应力较大，圆周速度受到限制，一般小于或等于320m/s。按叶片弯曲形式分为后弯叶片式叶轮、径向叶片式叶轮和前弯叶片式叶轮。按制造方法它有铆接、铣制、焊接、钎焊、精密铸造和电蚀加工等结构型式。
CAS号：
性质：具有轮盘、轮盖的离心式叶轮。在固定式离心式压缩机中用得较多的一种。没有叶片顶部的潜流损失，效率较高，但轮盖的应力较大，圆周速度受到限制，一般小于或等于320m/s。按叶片弯曲形式分为后弯叶片式叶轮、径向叶片式叶轮和前弯叶片式叶轮。按制造方法它有铆接、铣制、焊接、钎焊、精密铸造和电蚀加工等结构型式。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条