Precautions for Welding Maintenance of Baotou Beiben Heavy Duty Truck Parts Tractor: How to use the welding machine correctly is a skill that most repair workers are already very familiar with. However, there are still a small number of junior repair workers who cause vehicle damage or other safety hazards due to incorrect use of welding. In this article, the editor will remind drivers that if you encounter a mechanic who is negligent while repairing a car, you should immediately stop it to avoid unnecessary damage to your car.

1) The closer the distance between the grounding wire of the welding machine and the welding point, the better, and the more reliable the conductivity;

2) Welding tractor: The grounding wire of the welding machine should be connected to the tractor;

3) Welding trailer: The grounding wire of the welding machine should be connected to the trailer;

4) Welding trailers, welding machines, and connecting the ground wire to the towing vehicle (or vice versa) may burn out the spiral power supply cable or onboard electronic equipment.

Electric welding machine uses the high-temperature arc generated by the instantaneous short circuit between the positive and negative poles to melt the solder on the welding electrode and the material being welded, so as to combine the contact object. In vehicle maintenance, in addition to the positive electrode of the welding head, another ground wire (negative electrode) needs to be connected to the vehicle to form a complete circuit.

In theory, the closer the distance between the ground wire of the welding machine and the welded area, the better. That is to say, although the vehicle body is made of metal material, there will still be a certain resistance value. If this resistance value is higher, in addition to the unsatisfactory welding effect, it may also indirectly damage various electronic devices or cables on the vehicle.

For the semi trailer towed by Baotou Beiben Heavy Duty Truck Accessories, all metal components on the tractor and trailer body can theoretically be connected and conductive. The grounding terminals of all electronic systems on the vehicle are connected to the body, which means they share a common grounding terminal.

The saddle, which serves as the bridge connecting the tractor and trailer body of Baotou Beiben Heavy Duty Truck, should have a certain conductive effect in theory. However, in order to avoid the influence of bushings, lubricating grease, and other factors, there is also a ground wire between the main trailer to ensure reliable conductivity between them, which is the power supply spiral tube.

If the electrical conductivity of the saddle is poor and the welding machine ground wire is connected to the trailer, and welding operations are carried out on the main vehicle, the strong current of the welding machine will pass through the spiral power supply cable, which can cause rapid heating and aging of the cable. In severe cases, it can burn out the electronic systems of other Baotou Beiben Heavy Duty Truck parts of the vehicle, causing various strange faults.

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