自由锻造是靠人工操作来控制锻件的形状和尺寸的，所以锻件精度低，forging设备，加工余量大，劳动强度大，生产率也不高，因此它主要应用于单件、小批量生产。
Free forging is by manual operation to the shape and size of the forgings， so the precision of the forgings is low， the processing allowance is large， the labor intensity is big， and the productivity is not high. Therefore， it is mainly used in single piece and **all batch production.
自由锻造所用工具和设备简单，通用性好，forging价格，成本低。 同铸造毛坯相比，自由锻消除了缩孔、 缩松、气孔等缺陷，使毛坯具有更高的力学性能。锻件形状简单，操作灵活。
Free forging tools and equipment are simple， versatility and low cost. Compared with the casting blank， the free forging eliminates the defects such as shrinkage porosity， porosity， porosity and so on，本溪forging， so that the blank has higher mechanical properties. The shape of the forgings is simple and the operation is flexible.
自由锻。指用简单的通用性工具，forging谁家好，或在锻造设备的上、下砧铁之间直接对坯料施加外力，使坯料产生变形而获得所需的几何形状及内部质量的锻件的加工方法。 采用自由锻方法生产的锻件称为 自由锻件。
Free forging. It refers to the processing method of forgings directly using the external force between the upper and the lower anvil of forging equipment， so as to get the required geometry and internal quality by applying external force directly to the billet. Forgings produced by free forging are called free forgings.
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