1)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。
英文短句/例句
1.double-stroke solid-die automatic cold header双击整模自动冷镦机
2.multi-station automatic nut cold header多工位螺母自动冷镦机
3.Research of Cold Upsetting Steel Wire Rod SWRCH18A冷镦钢盘条SWRCH18A的研制
4.Development and Production of SWRCH22A Cold Heading SteelSWRCH22A冷镦钢的开发与生产
5.multi-station bolt automatic combined cold header多工位螺栓联合自动冷镦机
6.high-efficiency four-operation cold header四工位高效率螺帽冷镦机
7.Selection of material diameter for cold-heading spherical roller φ30-45mm冷镦φ30～45毫米球面滚子时料径的选择
8.Design and Development of Z310 Forging Machine;Z310型三工位联合冷镦机的设计与开发
9.Investigation into Cracking of SWRCH 22A Cold Forging Rod;SWRCH22A冷镦钢盘条开裂原因分析
10.The Practice for Cold Heading Steel of ML08Al by Continous Casting Process连铸工艺开发冷镦钢ML08Al生产实践
11.Tolerance Design for The Key Parts of Cold Forging Machine Based on VSA基于VSA的冷镦机关键零部件公差设计
12.Production of 10B21 high strength cold heading steel wire rod10B21高强度冷镦钢盘条的生产
13.Simulation of Cold Upsetting-extruding Process for Spiral Bevel Gear弧齿锥齿轮冷镦挤工艺数值模拟分析
14.Discussion on spheroidizing annealing technology of SCM435 cold heading steel wire rodSCM435冷镦钢线材球化退火工艺探讨
15.Control on microstructure and mechanical properties of ML20MnTiB high strength cold-heading steel含硼高强度冷镦钢ML20MnTiB组织性能控制
16.Study on non-spheroidized cold heading steel of SWRCH35K免球化退火SWRCH35K冷镦钢的试验研究
17.Research and development of ML20MnTiB high strength cold heading wire rodML20MnTiB高强度冷镦钢线材的研制与开发
18.Simulation of Phase Transformation and Microstructure of Non-quenched Steel during Cooling非调质冷镦钢轧后冷却相变行为与组织的模拟
相关短句/例句
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。
3)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。
4)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。
5)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
6)cold-forging technology冷镦工艺
1.The characteristics of the anchor Locking-nuts with twolug cold-forging technology was introduced in detail.对双耳托板自锁螺母进行了工艺分析、制订了冷镦工艺路线、计算了毛坯尺寸等。
延伸阅读
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。
