Common maintenance methods for welding machines
Release time:2022-03-15

The collision welding machine is actually a resistance welding machine, and its welding principle is to use the resistance heat and a large amount of plastic deformation energy in the welding area to make the two separated metal atoms close to the lattice distance to form a metal bond, and produce a sufficient amount of common grains on the joint surface to obtain welding points, welds or butt joints.

Common maintenance methods for welding machines

1. Visual inspection of the welding machine

The visual inspection of such faults mainly relies on visual and auditory inspection. For example, fuse breakage, wire breakage, connector detachment, electrode aging, etc.

2. Check the power supply of the welding machine

When the visual inspection is completed and the fault cannot be eliminated, power supply inspection can be carried out. Measure the input and output voltage of the control transformer, as well as the power supply voltage, using a multimeter; Measure the waveform of the test point with an oscilloscope, identify the location of the fault, and carry out repairs.

3. Collision welding machine replacement method

If conditions permit, a normal solder mask controller can be used as a substitute to determine the specific location of the fault and quickly identify the cause of the fault. Even if the cause of the malfunction cannot be immediately identified, the scope of inspection can be narrowed down to avoid wasting unnecessary inspection time.

4. Experiential method

Welding machine repair personnel should memorize the fault phenomena and troubleshooting methods introduced in the "Maintenance Guide" of the spot welding equipment manual. And, accumulate and timely summarize the causes and troubleshooting methods of previous failures. When similar faults occur again, you can quickly identify the fault point and eliminate it based on the troubleshooting methods in the manual or previous repair experience.



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