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Small and medium frequency spot welding machine spot welding silver-plated switch electrical appliance case-Xinxing Welding Machine
Wuxi Xinxing Welding Equipment Factory mainly produces: spot welding machines, butt welding machines, flash butt welding machines, medium frequency spot welding machines, energy storage spot welding machines, nut spot welding machines, polymer diffusion welding machines and other resistance welding equipment! QQ online consultationSitemapContact us
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National service hotline:400-001-050213395100070
Small and medium frequency spot welding machine spot welding silver-plated switch electrical appliance case-Xinxing Welding Machine
Release time:2022.03.28
Summary of information:
In order to have good electrical conductivity, most of the contact parts of switching appliances are copper sheets and copper wires, and some are plated with silver or tin to prevent oxidation. The welding joint is required to be free of deformation and color. General spot welding is difficult. At this time, welding with a small medium frequency spot welder is the best choice. How about we take a look at these results? Customers provided 3 types
In order to have good electrical conductivity, most of the contact parts of switching appliances are copper sheets and copper wires, and some are plated with silver or tin to prevent oxidation. The welding joints are required to be free of deformation and color. General spot welding is difficult. In this case, useSmall medium frequency spot welding machineWelding becomes the preferred choice.
How about we take a look at these results?
The customer provided 3 types of switch connectors, 1), spot welding of 1.5 square copper wire terminals and 0.3mm silver-plated copper sheets 2), spot welding of 0.3mm silver-plated copper sheets and 0.3mm brass sheets 3), spot welding of 0.2mm spring plates and flat steel balls
■Spot welding of 1.5 square copper wire terminals and 0.3mm silver-plated copper sheets , When welding copper with high conductivity, we initially used a composite electrode with tungsten embedded in the electrode tip to reduce heat dissipation to the electrode, but the result was poor fusion and poor firmness. Later, we thought that the melting point of silver is low, so it would be better to use chromium-zirconium copper electrodes. Then we used the hard specification, that is, a high current of 5KA and a much shorter welding time of only 0.01 seconds to test welding. As expected, the effect of spot welding of the copper wire terminals and copper sheets was excellent, without blackening or deformation, and the customer was satisfied.
■The spot welding of 0.3mm silver-plated copper sheet and 0.3mm brass sheet can be welded directly using the above parameters, and the effect is also very good.
Wuxi Xinxing Welding Equipment Factory has been focusing on resistance welding machines for 29 years and has core technologies. Its products include: copper rod and aluminum rod butt welding machines, steel bar butt welding machines, wire rope butt welding machines, copper and aluminum pipe butt welding machines, copper and aluminum row butt welding machines, Flange butt welding machine, multi-stranded copper wire and aluminum wire butt welding machine, wheel shell flash butt welding machine, auto parts spot welding machine, sheet metal spot welding machine, home appliance hardware spot welding machine, electronic and electrical spot welding machine, nut 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 row welding machine, ton barrel frame welding production line, resistance automatic welding machine, brazing machine, diffusion welding machine, energy storage spot welding machine, projection welding machine, medium frequency row welding machine, automatic row welding mesh welding machine, AC seam welding machine, medium frequency seam welding machine, There are more than 300 types of brazing machines, diffusion welding machines, spark testing machines, ribbon meter printing machines, high-speed ribbon meter printing machines, unwinding machines, high-voltage test complete sets, etc. If you are interested in our welding equipment, please contact us: 400-001-0502.
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- After-sales phone number:400-001-0502
- Pre-sales phone number:199-5222-1801
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- Address:Next to Huaming Bridge, 161 kilometers away from National Highway 312, Luoshe Town, Huishan District, Wuxi City, Jiangsu Province
Wuxi Xinxing Welding Equipment FactoryAll rights reserved
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Email:cnhjsb@163.com
Factory address: Huishan District, Wuxi City, Jiangsu ProvinceHuamingqiao Industrial Zone, 161 kilometers away from National Highway 312, Luoshe Town, Huishan District, Wuxi City, Jiangsu Province
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Control principle of DTN stainless steel spot welding machine controller
Summary of information:
Control method Sampling device Control principle Primary constant current Current transformer The current transformer is installed in the primary main circuit of the welding transformer. The controller detects the primary current value of the transformer through the current transformer, compares it with the set value, and outputs a trigger pulse signal after internal calculation to automatically adjust the thyristor.
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Control method |
Sampling device |
Control principle |
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primary constant current |
Current transformer |
The current transformer is installed in the primary main circuit of the welding transformer. The controller detects the primary current value of the transformer through the current transformer and compares it with the set value. After internal calculation, it outputs a trigger pulse signal to automatically adjust the conduction angle of the thyristor to keep the primary current of the transformer constant, thereby achieving the purpose of constant welding current. |
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secondary constant current |
induction coil |
The induction coil used for sampling is installed in the secondary circuit of the welding transformer. The controller detects the secondary current value of the transformer through the induction coil and compares it with the set value. After internal calculation, it outputs a trigger pulse signal to automatically adjust the conduction angle of the thyristor. By adjusting the primary current of the transformer, the secondary welding current of the transformer is kept constant. |
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constant voltage |
Internal sampling to directly measure the primary voltage of the welding transformer |
When the controller is working, it detects the primary voltage value of the transformer and compares it with the set value. After internal calculation, it outputs a trigger pulse signal to automatically adjust the conduction angle of the thyristor to keep the primary voltage of the transformer constant. |
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constant heat |
All of the above are available |
During constant heat control, the current setting value is a thousandth of the total power of the welding transformer. The controller calculates the required conduction angle based on the set value and sends a trigger signal. When the grid voltage fluctuates, the controller automatically adjusts the conduction angle of the thyristor to fine-tune the current output power to keep the current output power constant. |
Wuxi Xinxing Welding Equipment Factory,Focus on resistance welding machines29years, possessing core technology,Products include: manual butt welding machine, pneumatic-Flash butt welding machine, multi-strand wire welding machine, foot spot welding machine, pneumatic spot welding machine, medium frequency spot welding machine, row welding machine-Welding production line, resistance automatic welding machine, energy storage welding machine, copper rod aluminum rod steel rod 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, copper row copper pipe welding machine, nut spot welding machine, stainless steel welding machine 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, projection welding machine, seam welding machine, wire and cable optical cable supporting equipment, etc.300Many kinds, if you are interested in our welding equipment, please contact us.
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