1、电阻焊机的机械装置 电阻焊机的机械装置包括机架、电极加压机构、夹紧、顶锻机构、电极蜗杆、传动机构等。
1. The mechanical device of resistance welding machine. The mechanical device of the resistance welding machine comprises a frame, an electrode pressurizing mechanism, a clamping, a top forging mechanism, an electrode worm, a transmission mechanism, etc..
2、机架应具有足够的刚性、稳定性和满足安装要求，目前多采用钢板或钢管的焊接结构。
2, the rack should have enough rigidity, stability and meet the installation requirements, at present the steel plate or steel pipe welding structure.
3、电极加压机构有杠杆传动、电动凸轮传动、气压传动、气-液压传动等多种形式。可以使电极做直线或弧线运动，但以直线运动最好。
3, the electrode pressure mechanism has lever transmission, electric cam drive, pneumatic transmission, pneumatic hydraulic drive and other forms. The electrode can be made straight or curved, but the best linear motion.

4、焊前应能调节压力和施焊位置，加压要快速，摩擦力小，当焊件厚度变化时，压力应无显著变化。

4, before welding should be able to adjust the pressure and the welding position, the pressure to be fast, small friction, when the thickness of the weldment changes, the pressure should be no significant change.
5、 夹紧机构有弹簧、偏心凸轮、螺旋、气压、液压及气-液压等多种形式，要求有足够的夹紧力和接触面积，夹紧过程快速而平稳，顶锻时焊件不能滑动，钳口的距离和对中应能调节。
5, a spring clamping mechanism, eccentric cam, screw, pneumatic, hydraulic and pneumatic - hydraulic and other forms, has enough clamping force and contact area, fast and stable clamping process, upset welding is not sliding, and the distance of jaw can be adjusted.
6、顶锻机构有弹簧、杠杆-弹簧、电动凸轮、气压、液压及气-液等形式，均应保证有足够的顶锻力和顶锻速度。
6, the top forging mechanism has spring, lever spring, electric cam, air pressure, hydraulic and gas liquid and other forms, should ensure that there is sufficient forging force and forging speed.
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