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Why does the DN1S CNC stainless steel spot welding machine have a pre-pressure process?
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Why does the DN1S CNC stainless steel spot welding machine have a pre-pressure process?
Release time:2022.03.22
Summary of information:
DN1S CNC stainless steel spot welding machine is a type of resistance welding machine. From the characteristic point of view, it can also be called a fixed spot welding machine, a single-point spot welding machine, and a pedal spot welding machine. Its principle determines that it does the preloading stage, which is one of the three stages and its role is crucial. Preload
DN1S CNC stainless steel spot welding machine is a type of resistance welding machine. From the characteristic point of view, it can also be called fixed spot welding machine, single point spot welding machine,Foot pedal spot welding machine, its principle determines that it should do the preloading stage, which is one of the three stages and its role is crucial.
Pre-pressure means pre-pressurization, which is to form substantial contact points on the close contact surfaces between workpieces.
1) When the pressure is insufficient: The electrode pressure is insufficient at the moment when the current is turned on, and the contact resistance becomes very large, which will generate high heat at the contact point, enough to melt the metal immediately. In this way, spatter will appear in the early stage of spot welding, and the workpiece and electrode will be burned and turned black. Therefore, the electrode pressure of the DN1S CNC stainless steel spot welding machine should be allowed to reach the specified value before the welding current is turned on.
2) Excessive pressure: Excessive pressure during the pressurization stage will increase the contact area of the welding zone, thereby reducing the current density after energization, resulting in a smaller nugget size. In severe cases, welding may not penetrate, so the electrode pressure is also closely related to the strength of the workpiece, the welding current, and the welding time. Of course, we can adjust the welding current and welding time to achieve the expected results during actual use.
Wuxi Xinxing Welding Equipment Factory has been focusing on resistance welding machines for 29 years and has core technology. Its products include: semi-automatic butt welding machine, pneumatic butt welding machine, flash butt welding machine, medium frequency butt welding machine, hydraulic butt welding machine, large copper rod butt welding machine, automatic butt welding machine, special butt welding machine, foot pedal spot welding machine, pneumatic spot welding machine, medium frequency spot welding machine machine, automatic spot welding machine, multi-head spot welding machine, customized spot welding machine, projection welding machine, medium frequency projection welding machine, AC row welding machine, medium frequency row welding machine, automatic row welding mesh welding machine, AC seam welding machine, medium frequency seam welding machine, brazing machine diffusion welding machine, spark testing machine, ribbon meter printing machine, high speed ribbon meter printing machine, unwinding machine,High voltage test complete set of equipmentThere are more than 300 types. If you are interested in our welding equipment, please contact us: 400-001-0502.
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What are the welding parameter settings for the BDN aluminum strip spot welder of the handheld spot welder?
Summary of information:
BDN aluminum strip spot welding machine is a special handheld spot welding machine specially designed for welding thin steel strips and aluminum skins. It can be called a classic among classics, and its sales continue to grow year after year. The tailor-made chrome-plated welding platform with shears, presser feet, and rollers is very suitable for online welding of steel strips and aluminum strips.
BDN aluminum strip spot welding machine is a special handheld spot welding machine specially designed for welding thin steel strips and aluminum skins. It can be called a classic among classics, and its sales continue to grow year after year. The tailor-made chrome-plated welding platform with shears, presser feet, and rollers is very suitable for online welding of steel strips and aluminum strips.
Its two main parameters, welding time and welding current, are set by the time relay and gear switch. The setting steps are:
1. Welding time: The adjustment range is 0.1-9.99 seconds. The commonly used time is 0.1-0.3 seconds.
2. The welding voltage is divided into 8 levels. The 1st level has the lowest voltage and the 8th level has the highest voltage. For welding steel strips with cable and optical cable processes, the 1st and 2nd levels are commonly used, and 2-4 levels are used for welding aluminum strips. When the thickness of the material to be welded increases, a higher gear can be selected.
Wuxi Xinxing Welding Equipment Factory has been focusing on resistance welding machines for 29 years and has core technologies. Its products include: automatic butt welding machine, semi-automatic butt welding machine, pneumatic butt welding machine, flash butt welding machine, copper and aluminum row butt welding machine, copper rod and aluminum rod butt welding machine, steel Rib butt welding machine, multi-stranded copper wire and aluminum wire butt welding machine, spot welding machine, foot-operated spot welding machine, pneumatic spot welding machine, medium frequency inverter spot welding machine, auto parts spot welding machine, sheet metal box shell spot welding machine, home appliance hardware spot welding machine, electronic appliance spot welding machine, nuts Spot welding machine, stainless steel spot welding machine, foil strip spot welding machine, aluminum spot welding machine, multi-head spot welding machine, bag cage spot welding machine, mesh welding machine, ton rack welding production line, resistance automatic welding machine, brazing machine, diffusion welding machine, energy storage spot welding machine, projection welding machine , medium frequency welding machine, automatic welding mesh welding machine, AC seam welding machine, medium frequency seam welding machine, brazing machine diffusion welding machine, wire and cable optical cable supporting equipment, etc., reaching more than 300 types. If you are interested in our welding equipment, please contact us.
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