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What should be done to the workpiece before using the UN6 water-cooled butt 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

The UN6 water-cooled butt welding machine can connect a lot of metal materials, such as copper rods, aluminum rods, titanium rods, steel rods, copper tubes, aluminum tubes, copper aluminum tubes, steel tubes, flat iron flanges, steel rows, copper rows, iron rings, copper rings, aluminum rings, etc. Because they are widely used in the welding of copper and aluminum pipes, the factory saidCopper and aluminum pipe welding machine. Before using this butt welding machine, the workpiece usually needs to do the following work:
1. Pay attention to the end face geometry
When butt welding, the geometric shape and size of the butt surfaces of the two workpieces should be basically consistent for at least 2mm. Otherwise, it will be difficult to achieve thermal balance and the heating and plastic deformation of the two workpieces cannot be guaranteed to be consistent, which will affect the quality of the joint. In production, the difference in diameter of round workpieces should not exceed 15%, and the difference between square workpieces and tubular workpieces should not exceed 10%.
2. Precautions for welding dissimilar metals
When welding different metals, the length of the metal with better thermal conductivity extending out of the clamp should be longer, so that the current can pass through the longer metal and increase heat generation, thereby achieving thermal balance. Metals with lower melting points should also extend longer because they burn faster. When copper and aluminum pipes are connected, the copper pipe mouth should be narrowed to keep it close to the aluminum pipe.
3. Clean the docking port surface
Clean the oxides on the workpiece port, such as rust stains, which have poor electrical and thermal conductivity, affect the flow of current, and the quality of the interface will deteriorate.
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, 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, There are more than 300 types of spark testing machines, ribbon meter printers, high-speed ribbon meter printers, 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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Contact Xinxing
- After-sales phone number:400-001-0502
- Pre-sales phone number:199-5222-1801
- Email:cnhjsb@163.com
- Address:Next to Huaming Bridge, 161 kilometers away from National Highway 312, Luoshe Town, Huishan District, Wuxi City, Jiangsu Province
Recently, a customer asked whether the small medium frequency spot welding machine can be made handheld? This is a piece of cake for a manufacturer that has been focusing on resistance welding machines for 29 years. In the past, energy storage type spot welding machines or power frequency AC spot welding machine bodies were generally used with a welding gun to form a handheld spot welding machine, as shown in the figure


Now I will use this similar one to modify it. Are you looking forward to it?
After the modification, his advantages are still:
1. The large current passes through the small electrode tip and instantly penetrates the workpiece for welding. The thermal impact is small and the workpiece does not deform or discolor after welding.
2. Energy saving, 30% energy saving than ordinary welding machine3. Fast speed, millisecond speed. Compared with other spot welding machines, the welding time is shortened by 10 times when welding the same workpiece, and it is non-inductive welding.
4. High precision: 20-80 times that of ordinary spot welding machines
5. Suppress splash, precise current rising slope and time control, suppress spark splash by 90%
6. It has a wide welding range and can be tempered and welded on the basis of other welding machines.
7. Small impact on the power grid, three-phase power supply, power factor as high as 95-98%, no power compensation equipment required
8. The degree of automation is high. PLC and robots are connected to the production line, which is convenient and easy.
9. Precision and intelligence, the whole machine is small and exquisite, specially designed and manufactured for welding 3-layer boards, small thin parts and precision parts
10. DC output: Reduces welding induction energy loss. The continuous heat supply generated by the flat output current causes the nugget temperature to continuously rise. The same effect requires only lower welding current and pressure.
Wuxi Xinxing Welding Equipment Factory has focused on resistance welding machines for 29 years and has core technology. 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 machines, and more 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 appliance 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 machine, bag cage spot welding machine, mesh 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, intermediate frequency welding machine, automatic mesh welding machine, AC seam welding machine, medium frequency seam welding There are more than 300 types of machines, 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.
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