基本工序：自由锻造时，forging哪家好，锻件的形状是通过一些基本变形工序将坯料逐步锻成的。自由锻造的基本工序有镦粗、拔长、冲孔、弯曲和切断等。
The basic process is: free forging， the shape of forging is gradually formed by some basic deformation processes. The basic process of free forging is upsetting，forging报价， drawing， punching， bending and cutting.
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，因此加工过程中高温、、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，forging， 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， so high temperature， dust， vibration and noise can not be **oided during the process. Therefore， the safety protection of the forging process is very important.
自由锻都是以生产批量不大的锻件为主，forging设备，采用锻锤、液压机等锻造设备对坯料进行成形加工，获得合格锻件。 自由锻的基本工序包括镦粗、拔长、冲孔、切割、弯曲、扭转、错移及锻接等。自由锻采取的都是热锻方式。
Free forging is in the production of **all quantities of forgings， the forging， hydraulic press forging equipment is carried out on the blank forming process， obtain qualified forgings. The basic process of free forging including upsetting， stretching， punching， cutting， bending， torsion， displacement and welding etc.. The free forging is all hot forging.
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