People who have been in contact with the welding work must know that the welding positioner is a mechanical equipment used to drag the workpiece to be welded, so that the welding seam to be welded can reach a suitable position for welding, which is widely used in the welding industry. Then what kind of performance should the welding positioner have to ensure the smooth welding work, first of all, the structural rigidity of the equipment itself must be strong, so as to bear the welding In addition, the equipment can have a wide range of speed modulation, so it can be applied to more workpiece welding. Secondly, the transmission chain of the positioner should have a good self-locking device, so that when the power is disconnected, the workpiece will not occur because of inertia. Moreover, the welding requirements are very high, and the equipment should reach a high precision, so as to meet the requirements Foreign Beijing car rental company told us that the welding positioner should have a certain return speed, so that there will be no impact and vibration. Also, the sealing of the equipment must be good, so as to effectively prevent the welding materials from entering the equipment and affecting the operation of the equipment