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1)  cold upsetting performance
冷镦性能
1.
The factors to affect the cold upsetting performance of SWRCH35K Ф 10mm wire bar are analyzed that chemical components,inclusions,surface quality,microstructure,grain size and depth of decarburization layer.
对宣钢SWRCH35KФ10mm盘条的化学成分、夹杂物、表面质量、显微组织、晶粒度和脱碳层深度等影响冷镦性能的因素进行了分析。
2.
The surface defects on billet and wire rod, which affect the cold upsetting performance of ML08A1 steel, are analyzed, the active improving measures against the different defects adopted, consequently the surface quality and qualified cold upsetting rate of ML08A1 wire rod got rather improved and raised.
对影响邢钢ML08A l冷镦性能的钢坯和盘条表面缺陷进行了分析,针对不同的表面缺陷采取了积极的改进措施,使ML08A l盘条的表面质量和冷镦合格率均有较大程度的提高。
2)  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。
3)  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。
4)  Cold-heading
冷镦
1.
Quality improvement of low carbon cold-heading wire for screw nut;
低碳冷镦螺母用线材的质量改进
2.
This paper introduced a green process method of miniature electrical machinery axle,which breaked through the traditional process method: it changes the turning both ends half a ball face for cold-heading,and becomes the outer circle to grinding to cold-drawing.
介绍了一种微型电机轴的绿色加工方法,它突破了微型电机轴传统的加工方法,改车削两端半球面为冷镦,变外圆磨削为冷拉。
3.
In this paper the chemical composition, strength and ductility of the steel were investigated according to the crack phenomenon in the 45# cold-heading wire cord steel.
本论文根据45#钢盘条加工过程中冷镦开裂的现象,对钢化学成分,及强度、塑性特性进行了分析研究。
5)  Cold forging
冷镦
1.
Study of cold upsetting crack and refining process of the cold forging steel
铆螺钢冷镦裂纹形成与消除的研究
2.
It is considered by analysis that the cold forging cracks are due to the air bubble under the surface of wire rod breaking extension at the rolling anaphase.
通过金属相照片显示ML08冷镦钢盘条冷镦裂口形态,分析认为盘条较深的皮下气泡在轧制后期破裂延伸而造成了冷顶锻开裂,提出生产过程中7条改进措施。
6)  cold heading steel
冷镦钢
1.
Effect of calcium treatment on the cleanliness of low carbon cold heading steel;
钙处理工艺对低碳冷镦钢洁净度的影响
2.
Experimental study of new deoxidizers for cold heading steel;
冷镦钢新型脱氧剂的试验研究
补充资料:自动冷镦机、多工位螺栓自动冷镦机
代码:00468
设备名称:自动冷镦机、多工位螺栓自动冷镦机
型号规格:机制件杆部直径≥20mm
计量单位:台
主要参数内容
国际先进国内先进国内一般国内落后评定方法及说明
(一)加工精度
    参照GB9166-88、JB/T3053-91
1、冲头夹持器模孔中心线对夹持器后支承面的垂直度(mm) 在100长度上
0.0080.010.015>0.015 
2、凹模座模孔中心线对凹模后座支承面的垂直度(mm) 在100长度上
0.0080.010.015>0.015 
3、冲头夹持器模孔中心线对滑块行程的平行度(mm) 在100行程上
0.0160.020.02>0.02 
4、滑块行程对机身上与凹模座贴合的垂直面的垂直度(mm) 在100行程上
0.0160.020.02>0.02 
5、工件头部对工件杆部中心线的偏移量(mm)
<0.200.20~0.250.25~0.30>0.30 
(二)生产率(件/分)
     
20mm
>807065<65 
30mm
>605045<45 
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