1) cold heading and cold extruding
冷镦和冷挤压
1.
The national standard modification statement of steel for cold heading and cold extruding;
冷镦和冷挤压用钢国家标准修订说明
2.
Some questions of the national standard modification statement of steel cold heading and cold extruding;
冷镦和冷挤压用钢国家标准修订说明中的一些问题
2) cold extrusion upsetting
冷挤镦
3) cold upsetting-extruding process
冷镦挤
1.
The numerical simulation with DEFORM-3D is used for cold upsetting-extruding process of the spiral bevel gear,and the metal flowing situation of parts during the forming process is obtained.
运用DEFORM-3D软件对弧齿锥齿轮冷镦挤工艺进行数值模拟分析,得出了零件在成形过程中的金属流动状况,并模拟了有、无工艺凸台2种成形过程。
4) cold extrusion heading technology
冷挤镦工艺
1.
In this paper,the advantages of the manufacturing on the cutting copper tube joint with the cold extrusion heading technology are pointed out.
文中指出了采用冷挤镦工艺代替切削加工生产铜管接头的优点。
6) extrusion and compression
挤压和镦粗
1.
The steering joint extrusion and compression axial symmetric model respectively were established,on the hypothesis of simplified yielding equation,the calculating formula of deforming force was presented.
分别建立转向节挤压和镦粗的轴对称模型,推导出了简化屈服条件下的成形力计算公式,以STEYR转向节为例分析了成形过程中锻造变形力的变化规律。
补充资料：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。
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