The last cold forming process is followed by annealing above the upper transformation point in a controlled atmosphere.
最后冷加工之后不进行热处理， 从而管子只可能进行很小的变形。
A forming process that presses metal into or through a die (as in cold drawn wire).
将金属压进钢型中以使金属成型的过程。
And analyzes the reason and forming mechanism of the defects such as cold crack, air porosity and oxidation etc. proposes the measures of welding process to ensure the welding quality.
分析钛材管道焊接产生的冷裂纹、气孔、氧化等缺陷的原因和形成机理，提出焊接工艺措施，以确保焊接的质量。
The working process, structure and control system of a three-dimensional manipulating robot for cold extrusion forming of metal have been introduced.
介绍了用于金属冷挤压成形的三维操作机器人的工作过程、结构与控制系统。
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。
The forming process by cold extrusion for the hood pedestal of the auto air_conditioner compressor and the design of the cold extruding die were introduced.
介绍了车用空调压缩机罩体支架的冷挤压成形工艺及冷挤压模具设计，采用工艺试验的方法确定挤压坯料尺寸。
The cold precision forging of spur gears has been researched, and the effects of relief-hole shape and forging process on the spur gears forming has been analyzed.
研究了直齿圆柱齿轮的冷精锻过程，分析了分流孔形状、成形工艺等因素对齿轮成形的影响。
Causes to the laminar defect of the umbrella bone steel occurring in the process of cold forming are analyzed by chemical analysis and microstructure analysis.
采用化学分析及微观组织分析的方法，对伞骨钢压扁后成型过程中所产生分层缺陷的原因进行分析。
The spline tube differs greatly from the spline shaft parts in the cold roll forming process, which has a complex process with large blank deforming quantity.
花键管冷滚轧精密成形过程不同于花键轴类零件，其坯料金属变形量大，成形过程较为复杂。
The process of cold rolling forming for outer ring of single freewheel of bicycle and the structure of roller and jig, and the parameters for rolling machine have been introduced.
介绍了自行车单级飞轮飞壳冷滚轧成形工艺过程以及轧辊的结构、夹具形式和轧机参数。
It's the key to analyze the forming feasibility, find out the way to calculate the forming force, select the suitable process parameter in open-die cold extrusion of rectangle spline.
矩形花键轴是汽车传动的重要零件，矩形花键的无约束正挤压成形是一种先进的花键加工方法。
Based on the analysis to the current spline forming process at home and abroad, the spline tube forming process was studied and the cold extrusion process was suggested.
本文在研究国内外花键生产的基础上，对内外空心花键管的成形进行了工艺性分析，提出了花键管的冷挤压工艺。
The cold extrusion process can ensure forming of the cylinder.
该工艺保证了该零件圆柱部冷挤压成形的顺利进行。
The cold forging of the spur gear is a complicated three-dimensional forming, and its process and precision are influenced by many factors.
直齿轮的冷锻成形，属于复杂的三维变形，多种因素影响齿轮的成形和精度。
Bonding process of cold forming with ply pressure is introduced, and compared with hot-press approach.
介绍了叠压冷成型粘结法，且与热压法进行对比。
Introduce the design of a cold-bending machine forming craft and working process of cutting for wire slot products.
介绍了护线槽产品的冷弯机械成形工艺的设计及切断的工作过程。
The forming process, die design and some manufacturing main points in cold extrusion of piston pins are presented in this paper.
介绍了活塞销冷挤压的生产工艺、模具设计及制造特点。
This paper presents a stress analysis and selection of processing parameter in cold-pressing forming process for manufacturing the automotive rear brake back plates.
介绍了汽车后制动底板冷压成形工艺的应力分析及工艺参数的确定。
Forming process of CPU fin was analyzed in detail and effective way of forming was put forward. Semi-enclosed cold forging was designed.
分析了CPU散热片的成形工艺，并制定出有效的成形工艺：半封闭式冷模锻，开发出结构独特的模具。
The process of warm and cold composite forming is used more and more widely because of simultaneously owning both advantages of hot-forming and cold-forming.
温冷复合成形因同时具有热成形与冷成形的优点而被越来越广泛的应用。
The cold-bend forming process was studied using energy method and a theoretical length expression of the transition zone of delormation was thus derived.
采用能量法原理对冷弯变形过程进行研究与分析，建立了变形过渡区长度的理论表达式。
The invention relates to a process for forming and welding closed-end cold-bent section steel, belonging to the technical field of the cold bending and forming.
本发明的一种闭口冷弯型钢的成型与焊接工艺，属于冷弯成型技术领域。
The results show that the areas of the bottom corners of the flange and arc gears are difficult for forming, and the cold forging process fits for these parts.
研究表明：法兰下端面和弧形齿下端角隅处是最难充填区域，该类零件的成形宜用冷锻成形工艺。
For the metal parts forming process, because the cold upsetting way that can save a lot of steps and time.
对于金属零件加工成型来说，由于冷镦方式而可节省很多步骤与时间。
For the metal parts forming process, because the cold upsetting way that can save a lot of steps and time.
对于金属零件加工成型来说，由于冷镦方式而可节省很多步骤与时间。
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