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What are the factors that affect the contact resistance of intermediate frequency spot welding machines?
If there are oxides or dirt on the surface of the workpiece and electrode of the intermediate frequency spot welding machine, it will directly affect the contact resistance. Contact resistance is also affected by electrode pressure, welding current, current density, welding time, electrode shape,...Read more -
How to analyze and adjust the welding parameters of intermediate frequency spot welding machines?
Before starting the operation of the intermediate frequency spot welding machine, it is necessary to adjust the parameters, starting from the selected electrode pressure, pre pressing time, welding time, and maintenance time, to determine the shape and size of the electrode end face of the interm...Read more -
How to prevent electric shock in intermediate frequency spot welding machines?
The casing of the intermediate frequency spot welding machine must be grounded. The purpose of grounding is to prevent accidental contact of the welding machine with the shell and electric injury, and it is indispensable in any situation. If the resistance of the natural grounding electrode excee...Read more -
How to solve the problem of high temperature during the operation of intermediate frequency spot welding machine?
Intermediate frequency spot welding machines may encounter some malfunctions during use, such as high equipment temperature being one of the conditions. Excessive temperature indicates poor cooling effect of the chiller, and the circulating cooling water generates heat, mainly due to the followin...Read more -
What is the reason for the rapid wear of welding electrodes in intermediate frequency spot welding machines?
What are the main reasons for the wear of welding electrodes when using intermediate frequency spot welding machines? There are three reasons for this: 1. The selection of electrode materials; 2. The effect of water cooling; 3. Electrode structure. 1. The selection of electrode material is neces...Read more -
What are the quality indicators for evaluating the welding points of intermediate frequency spot welding machines?
What are the quality indicators for evaluating the welding points of intermediate frequency spot welding machines? The spot welding process of medium frequency spot welding machine is widely used to weld thin metal structural components of cars, buses, commercial vehicles, etc. due to its advanta...Read more -
How to choose the electrode material of the medium frequency spot welding machine?
How to choose the electrode material of the medium frequency spot welding machine? Spot welding electrode head through the current of thousands to tens of thousands of amperes, withstand the voltage of 9.81~49.1MPa, instantaneous temperature of 600℃~900℃. Therefore, the electrode is required to h...Read more -
How to improve the life of medium frequency spot welding machine?
Spot welding sputtering is generally caused by too much welding current and too low electrode pressure, too much welding current will make the electrode overheating and deformation, and will accelerate the alloying of zinc copper, thereby reducing the electrode life. At the same time, the...Read more -
How does electrode temperature guarantee the welding quality of intermediate frequency spot welder?
In order to ensure the welding quality of the intermediate frequency spot welding machine, the electrode cooling channel must be set reasonably, the cooling water flow is sufficient, and the water flow depends on the electrode material, size, base metal and material, thickness and welding specifi...Read more -
What is the welding stress of medium frequency spot welder?
The welding stress of intermediate frequency spot welder is the stress caused by welding of welded components. The root cause of welding stress and deformation is the non-uniform temperature field and the local plastic deformation and different specific volume structure caused by it. &nbs...Read more -
Why does the intermediate frequency spot welder have the problem of shunt?
The spot welding machine will produce a misunderstanding when welding, that the more the solder joint is stronger, in fact, the real welding joint spacing is required, if not done according to the requirements, it may backfire, the more the solder joint is not strong, the solder joint quality wil...Read more -
What are the characteristics of intermediate frequency spot welder?
The operation principle of the mid-frequency spot welder is that the upper and lower electrodes are pressurized and energized at the same time, and the Joule heat generated by the contact resistance between the electrodes is used to melt the metal (instantaneously) to achieve the purpose of weldi...Read more
