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The working end face and dimensions of the electrodes for intermediate frequency spot welding machines

The shape, size, and cooling conditions of the electrode end face structure of the intermediate frequency spot welding machine affect the geometric size of the melt nucleus and the strength of the solder joint. For commonly used conical electrodes, the larger the electrode body, the cone angle of... 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

Relieving method of welding stress in medium frequency spot welder

At present, the failure methods of stress elimination used in the intermediate frequency spot welding machine are vibration aging (eliminating 30% to 50% of stress), thermal aging (eliminating 40% to 70% of stress) Hawker energy PT aging (eliminating 80% to 100% of stress).   Vibration agin... 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

Harm of welding stress in mid-frequency spot welder

The harm of welding stress of mid-frequency spot welding machine is mainly concentrated in six aspects: 1, welding strength; 2, welding stiffness; 3, stability of welding parts; 4, processing accuracy; 5, dimensional stability; 6. Corrosion resistance. The following small series for you to introd... 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

Factors influencing the welding current control accuracy of intermediate frequency spot welder

In the welding process, because the change of resistance will lead to the change of welding current, the welding current needs to be adjusted in time. At present, the commonly used methods include dynamic resistance method and constant current control method, etc., whose purpose is to keep the we... Read More

Introduction of dynamic resistance and current curve of medium frequency spot welding machine

In the welding process of the intermediate frequency spot welder, the resistance is composed of the contact resistance between welds, the contact resistance between electrodes and welds and the resistance of the welds themselves. As the temperature increases, the size of the resistance is constan... Read More
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