This paper introduces cold heading and combined forming process of extrusion and punching for gear cluster, a key part of automotive gearbox.
介绍了汽车变速箱中的一个关键零部件—双联主动齿轮的冷态镦粗、挤压及冲孔的复合成型工艺。
Some main points about the cold heading process and its die design are also involved.
介绍了冷镦工艺过程和模具设计要点。
Describe the content modification of national standard for cold heading and cold extruding.
简述了冷镦和冷挤压用钢国家标准的修订内容。
These inclusions resulted in cracking of the cold forging steel during the cold heading process.
通过理化检测，对铆螺钢在冷镦时出现开裂的原因进行了分析。
The influence of various cooling speed on structure and property of wire bar of SCM435 cold heading steel is researched.
研究了不同冷却速度对SCM 435冷镦钢盘条组织性能的影响。
Our company is a registered enterprise specializing in manufacturing and selling fasteners and precision line for cold heading.
本公司是一家专业生产制造紧固件，冷镦用精线加工销售企业，是经国家相关部门批准注册的企业。
The headstand wire drawn machine is a suitable equipment for the production of heavy coil bearing steel wire for high speed cold heading.
大盘重高速冷镦机用轴承钢丝的生产，用倒立式拉丝机是比较合适的选择。
Quality problems existing in finished cold heading steel are discussed and measures improving quality of cold heading steel are put forward.
探讨冷镦钢成品中所存在的质量问题，同时提出提高冷镦钢质量的措施。
Aim at faultiness and oneness of the appraisal method of cold heading steel, this paper has proposed the cone forging method. It proves feasibility and gives the rudiment of the method.
鉴于冷镦钢的冷镦性能评价方法的单一性和不完善性，提出了锥锻方法，并从理论上证明了此种检验方法的可行性。
The cold heading property of cold heading steel rod bundle is improved by the optimum design and control of chemical compositions of low carbon low silicon high aluminium cold heading steel.
通过对低碳低硅高铝冷镦钢成分的优化设计和控制，大大提高了冷镦钢盘条的冷镦性能。
The cold heading steel coil generally is low and medium carbon quality steel and alloy structure steel to manufacture various standard mechanical element and fastener by cold heading forming.
冷镦钢盘条一般为低、中碳优质碳素结构钢和优质合金结构钢，用来冷镦成型制造各种机械标准件和紧固件。
Uneven deformation and extrusion drape in the different pass when rolling cause long strip defect on the surface. Defects on the surface and near surface are the main cause for cold heading to craze.
轧制过程中各道次的不均匀变形和挤压褶皱造成了圆钢表面的长条形缺陷，而表面和近表面缺陷是造成冷顶锻开裂的主要原因。
Cold heading can improve the utilization rate of material, the productivity and themechanic properties of metal parts.
冷镦工艺可以提高材料利用率、生产率以及改善金属零件的机械性能。
Applications: Speaker Cable, Audio Cable, HDMI Cable, Magnet Wire, Tin-Plated Wire, Silver-Plated Wire, Electric Wire, Electric Cable and Cold Heading Wire.
应用：喇叭线、讯号线、高解析度多媒体介面线、漆包线、镀锡线、镀银线、电子线、各种电力、通信电缆导体、冷锻用线。
In this paper, typical surface defects of low carbon steel high speed wires for cold-heading have been examined by using SEM and EDS.
采用扫描电镜和能谱仪对低碳冷镦用高速线材表面缺陷进行了分析，同时对轧制中间料的缺陷和成品冷镦标准件开裂样品进行对照分析。
In this paper, typical surface defects of low carbon steel high speed wires for cold-heading have been examined by using SEM and EDS.
采用扫描电镜和能谱仪对低碳冷镦用高速线材表面缺陷进行了分析，同时对轧制中间料的缺陷和成品冷镦标准件开裂样品进行对照分析。
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