自由锻造的设备分为锻锤和液压机两大类。生产中使用的锻锤有空气锤和蒸汽-空气锤，有些厂还使用结构简单，***少的弹簧锤、夹板锤、杠杆锤和钢丝锤等。
The equipment of free forging can be divided into two categories: forging hammer and hydraulic press. The forging hammers used in production are air hammer and steam-air hammer. Some factories also use spring hammer， splint hammer，forging价格， lever hammer and steel wire hammer with simple structure and low investment.
镦粗是镦粗示意图使毛坯高度减小，横断面积增大的锻造工序。 镦粗工序主要用于锻造齿轮坯、圆饼类锻件。镦粗工序可以有效地改善坯料***，减小力学性能的异向性。 镦粗与拔长的反复进行，forging谁家好，可以改善高合金工具钢中碳化物的形态和分布状态。
Upsetting is the forging process that indicates that the blank height is reduced and the cross section area is increased. The upsetting process is mainly used for forging gear blanks and round cake forgings. The upsetting process can effectively improve the billet structure and reduce the anisotropy of mechanical properties. The morphology and distribution of carbides in high alloy tool steel can be improved by repeated upsetting and drawing.
拔长 拔长是使坯料的长度增加，截面减小的锻造工序，辽源forging，通常用来生产轴类件毛坯，如车床主轴、连杆等。
冲孔 用冲子在坯料上冲出通孔或不通孔的锻造工序。弯曲 使坯料弯曲成一定角度或形状的锻造工序。
Drawing and drawing is a forging process that increases the length of the billet and reduces the section. It is usually used to produce shaft parts， such as spindle and connecting rod.
Forging punch punching out through holes or blind holes in the blank. The forging process of bending the billet into a certain angle or shape.
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