选择好的锻件产品跟锻造工艺或者锻造厂家肯定是有关系的，现在有越来越多的锻件厂走向市场，对此，用户挑选锻件产品的难度就增加了。如果对锻件缺乏专业的认识，那么，forging采购，在选择的时候就会多很多顾忌。
The selection of good forging products is closely related toforging process or forging factories. Now more and more forgingsfactories are going to the market. Therefore，forging， users"difficulty in selecting forgings is increasing. If the forgings arelack of professional knowledge， there will be a lot of scrupleswhen choosing.
锻造设备主要用于金属成形，所以又称为金属成形机床。锻造设备是通过对金属施加压力使之成形的，力大是其基本特点，故多为重型设备，设备上多设有安全防护装置，以保障设备和人身安全。
Forging e is mainly used for metal forming，forging生产厂家，so it is also called metal forming machine tool. Forging eis formed by exerting pressure on metal， and its basiccharacteristics are large force. Therefore， most of the eare heavy e， and many safety protection devices are set upon the e to ensure the safety of the e and thebody.
在考虑锻造工艺时特别是后一火的锻造时，应尽量避免在临界变形程度下进行，以免得到粗大晶粒组织。具体来说，高温下金属塑性好，变形抗力小，forging价格，应采用远大于临界变形程度的较大变形量锻造；低温修正时采用低于临界变形程度的小变形量进行局部修整。
When the forging process is cidered， especially when the lastfire is forged， the critical deformation should be avoided as faras ， so as to avoid coarse grain structure. Concretely speaking，high temperature metal has good plasticity and small deformationresistance. We should adopt large deformation amount forging fargreater than critical deformation degree. When low temperaturecorrection is used， small deformation below critical deformationdegree should be used for local trimming.
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