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。
The technology and the die design of cold extruding for the electric hammer drill is described.
介绍了电锤钻头冷挤压工艺及模具设计。
The stress and the main failure form of the cold extruding die for the piston pins were analyzed.
分析了冷挤压活塞销凸模的受力情况和主要失效形式。
Using cold extruding technology can improve quality of spline shafts and decrease the production costs.
采用冷挤压成形，可使成本降低、提高质量、使用可靠。
Describe some questions of the national standard modification statement of steel for cold heading and cold extruding.
简述了冷镦和冷挤压用钢国家标准修订说明中的一点儿问题。
In this paper, we study the technique of cold extruding forming, and produced all kinds of the long conical pipe in that way.
采用冷挤压成形工艺方法，能生产出各种尺寸、规格的深圆锥形管件。
The quick phosphatizing method of cold extruding die parts and its defects, as well as the solving methods are introduced respectively.
介绍了冷挤压模具零件的快速磷化方法及其缺陷分析与改进措施。
The working process for cold extruding of valve-spring base has been described, with a new die structure using ejector turning of itself.
介绍了气门弹簧座的冷挤压工艺和新型模具结构。
Taking an actual part as an example, the design and manufacture method of the cold extruding die and the warm extruding die were introduced.
以一具体零件为例，介绍了冷挤压模具和温挤压模具的设计及加工方法。
The process of machining ball and spigot includes the following steps: cold extruding the blank to form, heat treatment, cutting and rolling the ball part.
本发明提供了一种球销的加工工艺，该加工工艺按如下步骤进行：坯料冷挤压成型—热处理(调质)—车削—滚压球形部位。
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 extruding process for the special bolts was analyzed and calculated. And the structure of the cold extruding die used on stamping machines was introduced.
对专用螺栓的冷挤压工艺进行了分析和计算，并介绍冲床冷挤压模的结构。
The existence of uneven carbide belts is the inner reason of fracture failure and the stress accumulation during the process of cold extruding is its external incentives.
模具组织中存在不均匀带状分布的碳化物是产生断裂失效的内在原因，而模具在冷挤压成型过程中形成的应力积累是导致模具断裂失效的外在诱因。
It introduced the merit and method for applying cold extruding technology to produce upsetting die and also introduce the manufacturing process of representative upsetting die.
介绍了利用冷挤压技术生产冷镦模具的优点和方法，以及典型冷镦模具的制造过程。
It is pointed that application and dissemination's key factor of piston pin's cold extruding technique in China is that working life of piston pin's cold extruding punch is too low.
明确指出妨碍活塞销冷挤压技术在国内推广应用的关键因素是其冷挤压凸模的寿命太短。
The formulating process of cold extruding process for ladder-shaped parts are introduced in detail, the structural characters of cold extruding die design are generated basing on practice experience.
详细介绍了阶梯形零件冷挤压工艺的制订过程，根据实践经验总结了其冷挤压模具设计的结构特点。
The advantages of the reel internal gear with cold extruding technology replacing traditional metal cutting working method were narrated, and the technological for the reel internal gear was analyzed.
叙述了卷筒内齿轮用冷挤压工艺代替传统的金属切削加工方法的优点，并对卷筒内齿轮进行了工艺分析。
It is suitable for making cold punching and heading dies clod extruding and drawing dies. And reshaping too ls and various wear parts, shearing tools and measuring and fixing instruments.
适用于冷冲、冷墩、冷拉、冷挤、整形等模具以及各种耐磨零件、剪切和量卡工具等到。
Using high speed cold upsetting-extruding technology can improve quality of three-pin gear, reduce mechanical process and decrease the production costs.
采用了高速冷镦挤成形工艺，可提高三销齿轮的质量、减少机械加工及降低产品成本。
The formulation and technology of the special material of extruding PA66 profile bar produced for cold bridge by twin-screw extruder were introduced.
介绍采用双螺杆挤出机生产冷桥用PA66挤出异型条专用料的配方及工艺。
This article introduced the experiment of residual stress in flat tubeplate head of large scale fuel boiler that was manufactured by cold rotary extruding and butt weld.
本文介绍了大型燃油锅炉经拼板焊接和冷旋压加工制造而成的平管板封头残余应力试验。
Combined with the development of FWX20 typed cold rotary extruding machine for sealing head, a kind of new typed arc track adjusting device being applied in match with that machine is introduced.
结合FWX 2 0型封头冷旋压机的研制，介绍一种与该机匹配使用的新式圆弧轨迹调节装置。
Combined with the development of FWX20 typed cold rotary extruding machine for sealing head, a kind of new typed arc track adjusting device being applied in match with that machine is introduced.
结合FWX 2 0型封头冷旋压机的研制，介绍一种与该机匹配使用的新式圆弧轨迹调节装置。
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