You will discover varieties of welding equipment, but generally, spot welding method consists of mechanical device, energy provide gear and also the control device 3 main elements.
Mechanical device
Spot welder consists of 5 significant components, namely: manage box, welding head, nozzle, working table and electrical manage panel five parts. The part of welding tongs is gripping welding electrodes; it is the gear that conducts welding existing in the course of action of welding. It is actually supporting the usage of Retained mandrel mill
. It is actually also the handheld insulation appliances that guarantee the electrical connection with welding electrode. Welding clamp has big technical indicators, for instance shell protection, anti-shock protection, temperature rise, welding spatter resistance and so on. Spot welding tongs can be divided into X-type and C-type electrode holder categories according to the shape.
The size of point electrode holder arm is determined by the product structure. In order to avoid the interference in between Steel tube mill manufacturers
and the workpiece and reduce welding shunt, it's better to keep the distance between the workpiece and welding clamp arm more than 30mm ordinarily. Actually, following the principle that the size need to be set as tiny as possible so that you can reduce the weight of welding tongs, easy operation and lower labor intensity. This can be what welding equipment producers need to much better take into consideration.
Power supply gearKey energy circuit consists of welding transformers, thyristor unit, the main power switch, welding circuit and other elements. Because there exist several production lines, when Vacuum contactors manufacturers
is welding the specific steel panels that produced by particular steel pipe mill, it really need to pass substantial mechanical force and welding current. Therefore, the strength and stiffness of welding clamp must meet particular requirements and it must have excellent electrical and thermal conductivity.
Welding existing contains DC and AC, Alternating current realize the gentle rise and down of current via the amplitude modulation in an effort to reach the objective of preheating and slow cooling, which is very advantageous for aluminum welding. Its implementation needs the existence of higher frequency elements and electron tubes for sale.
Handle device
The control device delivers a signal controlling operation of a resistance welding machine on and off the welding present to manage welding present and lastly achieves the target of fault monitoring and processing. Welding gear manage systems commonly have a hardware circuit handle program and digital manage systems. Along with the usage of hardware circuit will be the shortcomings, such as circuit complexity, lengthy debugging cycle and not accurate adequate manage, whilst employing digital manage circuit can stay away from the shortcomings from the hardware. Therefore, it is the development trend of welding gear control program.