Pre-forging process 预锻变形
pre-forging 预锻
pre-forging part 预制坯
pre forging mold 预锻模
u etter forging pre 镦锻压力机
cold forging pre 冷锻压机
series of hydraulic forging pre 系列锻造水压机
Usually, excellent Superplasticity of Zn-Al eutectoid alloy could be obtained by pre-deformation (rolling or forging).
锌铝共析合金具有良好的超塑性,但通常需要经过预变形(轧制或锻压)来得到。
For the convenience of casting, machining, transporting, etc, the beam of large-scale hydraulic forging press has always been designed as combined structure and connected with pre-stress bolts.
大型液压机的横梁由于铸造、加工、运输等原因,大多设计成组合结构,采用预紧螺栓组连接。
The billet was at first pre formed and close-die forged on different hydraulic presses and then the forging was rolled, punched and bended. Such a production line will be the most efficient.
钢坯先在一台水压机上预成形制坯,再在另一台压机上模锻,经轧制扩径后冲孔压弯。
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