基本工序：自由锻造时，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， drawing，forging价格， punching，forging哪家好， bending and cutting.

不知道听到工艺两个字的时候我们更多的想到的是什么?我想很多人对工艺的追求大多体现在对一些艺术品上面。其实不仅仅是艺术品对工艺的要求非常高。在我们的机械领域对工艺也是精益求精的，因为只有高超的工艺才能制造出更的产品，就比如说大口径法兰对它的工艺要求也是很高的。

I don"t know what we think about more when we hear the two  of the craft? I think a lot of people"s pursuit of the craft is mostly on some of the works of art. In fact， not only is the art of art demanding very high technology. In our field of machinery， we also strive for improvement in technology，forging报价， because only superb technology can make more perfect products， for example， large diameter flanges require high technological requirements for them.

若因温度和变形程度选择不当而得到粗大晶粒时，可利用热处理相变细化晶粒组织，但对于热处理中不发生相变的钢种，如奥氏体钢，就必须在锻造过程中获得细小而均匀的晶粒组织，因此对这样的材料在锻造时须加倍注意。

If the temperature and degree of deformation and improper selection of coarse grains，forging， the grain refinement phase change heat treatment， but for the steel phase transition does not occur in the heat treatment， such as austenitic steel， it must be in the forging process have fine and uniform grains， so this kind of material in the forging must pay more attention to.

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