拔长 拔长是使坯料的长度增加，截面减小的锻造工序，通常用来生产轴类件毛坯，如车床主轴、连杆等。

冲孔 用冲子在坯料上冲出通孔或不通孔的锻造工序。弯曲 使坯料弯曲成一定角度或形状的锻造工序。

Drawing and drawing is a forging process that increases the length of the billet and reduces the section. It is usually used to produce shaft parts，圣霖国际锻造， such as spindle and connecting rod.

Forging punch punching out through holes or blind holes in the blank. The forging process of bending the billet into a certain angle or shape.

由于热变形形成纤维***，会使金属的力学性能出现异向性，即纵向力学性能指标中的A，Z，Ak比横向相应的指标大得多，两个方向上的强度Rm。Re差别不大。

Due to the formation of fibrous microstructure by thermal deformation， the mechanical properties of metals will be different. That is，圣霖国际锻造报价， A， Z and Ak in longitudinal mechanical properties are much larger than those itransverse direction， and the strength in two directi is Rm. Re is not very different.

铝合金锻件的生产可在多种锻造设备上进行。锻锤可用于开式模锻和闭式模锻，其生产费用较低，锻打时需要控制好锤头的高度、打击力量和速度，圣霖国际锻造生产，因为在急剧变形过程中铝合金对应变速率敏感并具有放热性。机械压力机和螺旋压力机都广泛用于铝合金闭式模锻，适宜于生产中等尺寸、大体积和形状适度的铝锻件。

The production aluminum alloy forgings can be carried out on a variety of forging equipment. Hammer can be used for open die forging and closed die forging， the production cost is low， when the need to the forging hammer height， strike force and speed， because of the sharp deformation in the process Alloy strain rate sensitive and exothermic. Mechanical press and screw press are widely used in aluminum alloy closed die forging， which is suitable for the production of medium size， large volume and moderate shape aluminum forgings.

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