锻造是指把加热后的金属材料锻制成各种形状的工具、机械零件或毛坯。锻造过程中要对这些滚烫的金属坯料进行各种加工，forging价格，因此加工过程中高温、烟尘、振动和噪声是避免不了的。所以锻造过程安全防护很重要。

Forging is a tool， mechanical part， or blank that is forged from a heated metal material to a variety of shapes. In the process of forging， these hot metal billets should be processed，锦州forging， so high temperature， dust，forging厂商， vibration and noise can not be avoided during the process. Therefore， the safety protection of the forging process is very important.

由于热变形形成纤维组织，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， A，forging采购， Z and Ak in longitudinal mechanical properties are much larger than those itransverse direction， and the strength in two directions is Rm. Re is not very different.

自由锻造是利用冲击力或压力使金属在上下砧面间各个方向自由变形，不受任何限制而获得所需形状及尺寸和一定机械性能的锻件的一种加工方法，简称自由锻。

Free forging is a processing method of forging parts， which can make metal in all directions of the anvil between the upper and lower anvil， and obtain the required shape and size and certain mechanical properties by the impact force or pressure， and the free forging is called free forging.

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