拔长 拔长是使坯料的长度增加，截面减小的锻造工序，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.

锻造设备种类很多，按照工作部分运行方式不同，锻造设备可分为直线往复运动和相对旋转运动两大类。直线往复锻造设备1、动载撞击的锻造设备2、动静载联合的锻造设备3，***能冲击的锻造设备。

There are many kinds of forging equipment. According to the different operation modes of the working part， the forging equipment can be divided into two categories: straight reciprocating motion and relative rotation motion.

Linear reciprocating forging equipment

1， forging equipment with dynamic load impact

2， forging equipment combined with static and static load

3， high efficiency impacting forging equipment

在芯棒上拔长。锻造时，本溪forging，先芯棒插入冲好孔的坯料中，然后当作实心坯料进行拔长。拔长时，一般不是一次拔成，先将坯料拔成六角形，锻到所需长度后，再倒角滚圆，forging厂商，取出芯棒。为便于取出芯棒，芯棒 的工作部分应有1：100 左右的斜度。

Pull on the mandrel. When forging， insert the mandrel into the billet of the hole and then pull it out as a solid billet. When drawing， it is not usually drawn at one time. First， the blank is drawn into a hexagonal shape，forging生产厂家， forged to the required length， then chamfered and rounded， and the mandrel is removed. To facilitate the removal of the mandrel， the working part of the mandrel should h***e a slope of about 1:100.

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