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What are some characteristics of medium frequency spot weldi

Back to list Source: Junye Browse: Date of issue:2021-01-19 14:50【B M S
Medium frequency inverter spot welding machine is a set of advanced welding equipment.
The latest medium frequency spot welding machine
Latest medium frequency spot welding machine (6 pieces)
The welding transformer has small volume and large output energy. The advantages of one-piece transformer welding tongs used in automobile industry are more obvious. Its superior performance is due to the fact that the frequency of the welding transformer is increased from 50 / 60Hz to 1000Hz, which greatly reduces the weight of the iron core material. In addition, the rectifier diode in the secondary circuit of the transformer converts the electric energy into DC power supply for welding. This can greatly improve the induction coefficient value of the secondary circuit, which is an important factor leading to energy loss, and can almost be ignored in the DC welding circuit, so as to minimize the production cost. Compared with ordinary AC resistance welding machine, it has the following advantages:
Energy saving: compared with the use of low frequency, it can reduce the consumption of electric energy. The transformer with the same weight can output more energy, which can be easily used with large automatic welding tongs. Suitable for welding thick workpiece and high conductivity metal. Such as aluminum and all galvanized steel plates, etc. Generally speaking, the system with small volume and light weight can accelerate the movement and shorten the working cycle, which is the best matching scheme for welding machine / automatic machine.
In the semi-automatic device, a medium frequency welding transformer can replace many low-frequency transformers and reduce the parallel connection of secondary circuits.
If the integrated manual welding tongs need to weigh more than 80 to 90 kg, it is also suitable for matching this kind of transformer. For example: small batch production of cars / vans and small-scale experimental manufacturing of machinery and equipment.
Improve power factor and reduce production cost.
The interference can be reduced in the secondary circuit with large opening area: the welding current is DC, and the welding will not be affected when there are inductive / magnetic materials in the secondary winding.
Make the load balance of power supply equipment: medium frequency inverter spot welding machine adopts three-phase power supply and can store energy.
It has stronger adaptability to the fluctuation and voltage drop of the power grid: part of the energy is stored by the inverter and then supplied to the load, instead of directly supplying power to the load from the power grid.
More accurate and fast current control: compared with low frequency system, it can analyze more and more accurate parameters.
Faster to set current: if can adjust welding current 20 times faster than traditional technology.
Process is more reliable: most of the application of resistance welding metal using DC welding effect will be better.
If system is usually more reliable than traditional technology, which can avoid some damage caused by SCR system damage.
Reduce operation cost, including saving welding energy per point and shortening welding cycle.