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Operating procedures of automatic flash butt welding machine
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Operating procedures of automatic flash butt welding machine
Release time:2022.06.06
Summary of information:
Xinxing automatic flash butt welding machine does not have strict requirements on the end face of the workpiece. It can eliminate the grinding process of the end face of the workpiece, simplify the operation steps and improve the production efficiency. Because the contact area is small during flash, the current density at the contact point is large, the heat is concentrated, and the heating is rapid, so the heat affected zone is small, the joint is small and of good quality.
Rising StarAutomatic flash butt welding machineThe requirements for the end face of the workpiece are not strict, so the process of grinding the end face of the workpiece can be eliminated, simplifying the operating steps and improving production efficiency. Because the contact area is small during flash, the current density at the contact point is large, the heat is concentrated, and the heating is rapid, so the heat affected zone is small, the joint is small and of good quality, the preheating method can be used, and larger cross-section steel bars can be welded on a smaller power flash butt welding machine. For example, 150KVA can butt a workpiece with a cross-sectional area of 10,000mm2, so flash butt welding machines are becoming more and more popular.
The operation of the automatic flash butt welding machine does not require high personnel, and the operation is simple. The process is as follows:
1. Operation process:
Inspect equipment → select welding process and parameters → test welding and make simulated test pieces → submit for testing → determine welding parameters → welding → quality inspection
2. Continuous flash butt welding process:
Close the circuit → flash (the end faces of the two workpieces are in slight contact) → continuously flash and heat to the melting point (the end faces of the two workpieces are flashing while rapidly contacting with heat transfer) → charged upsetting → push without electricity.
3. Preheat flash butt welding process:
Close the circuit → Intermittent flash preheating (the end faces of the two workpieces alternately contact and separate due to heat transfer) → Continuous flash heating to the melting point (the end faces of the two workpieces flash while rapidly contacting with heat transfer) → Electric upsetting → Pushing without electricity
4. Flash-preheat flash butt welding process:
Close the circuit → one flash flash to flatten the end faces (the end faces of the two workpieces flash while rapidly contacting with heat transfer) → continuous flash preheating (the end faces of the two workpieces alternately contact and separate with heat transfer) → two consecutive flashes to heat to the melting point (the end faces of the two workpieces flash while rapidly contacting with heat transfer) → charged upsetting → push without electricity.
Wuxi Xinxing Welding Equipment Factory has been engaged in resistance welding machines for 29 years. Its core technical products include: semi-automatic butt welding machine, pneumatic-flash butt welding machine, multi-strand wire welding machine, foot pedal spot welding machine, pneumatic spot welding machine, medium frequency spot welding machine, row welding machine mesh welding machine, resistance automatic welding machine, Energy storage welding machine, copper rod and aluminum rod disc circular welding machine, auto parts spot welding machine, sheet metal spot welding machine, home appliance hardware spot welding machine, small electrical appliance spot welding machine, copper row copper pipe welding machine, nut spot welding machine, stainless steel 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 barrel frame 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., reaching more than 300 types. If you are interested in our welding equipment, please contact us.
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Butt welding of textile machinery metal parts
Summary of information:
Most of the metal accessories to be welded by textile machinery are made of low carbon steel or medium carbon steel. After all, they are mechanical products, the output is not very large, and the price of low carbon steel is low. In order to save costs, semi-automatic butt welding machines and butt welding machines are generally chosen for welding. In addition to being affordable, semi-automatic butt welding machines also have the following advantages:
Most of the metal accessories to be welded by textile machinery are made of low carbon steel or medium carbon steel. After all, they are mechanical products, the output is not very large, and the price of low carbon steel is low. In order to save costs, semi-automatic butt welding machines and butt welding machines are generally chosen for welding.
In addition to being affordable, semi-automatic butt welding machines also have the following advantages:
1. The welding process is simple. As long as the workpiece is placed and the welding button is pressed continuously, automatic welding and automatic forging will stop.
2. The heating time is short and the heat is concentrated, so the deformation and stress are small, and no heat treatment is required.
3. No need for auxiliary materials such as welding wire, gas, flux, etc.
4. The operation is as simple as 1-key operation.
5. High efficiency, low noise and less smoke
6. The temperature distribution is flat.
7. Large current, small voltage, high safety.
8. Save electricity and energy, the welding machine is powered by resistance welding of low and medium carbon steel itself, and the electricity cost is negligible.
Welding points:
1. The length of the electrodes protruding from the left and right workpieces is the same, which is 3 times the diameter.
2. Using short-time high-current welding, fast speed and good quality.
3. Three main parameter settings: welding current, welding time and upsetting force. To find the best parameter values, we need to test them one by one. Start with a small value first, and then slowly increase it until we find the right one.
4. Pay attention to the surface of the workpiece to be clean and tidy, without rust, oil, etc., otherwise it will affect the flow of current. The small current flow and insufficient resistance and heat of the workpiece itself will affect the welding quality.
Wuxi Xinxing Welding Equipment Factory has been engaged in resistance welding for 29 years. Its core technical products include: semi-automatic butt welding machine, pneumatic-flash butt welding machine, multi-strand wire welding machine, foot pedal spot welding machine, pneumatic spot welding machine, medium frequency spot welding machine, row welding machine mesh welding machine, resistance automatic welding machine, energy storage welding machine, copper rod and aluminum rod disc circular welding machine, auto parts spot welding machine, sheet metal spot welding machine, home appliance hardware spot welding machine, small electrical appliances There are more than 300 types of spot welding machines, copper bar copper tube welding machines, nut spot welding machines, stainless steel welding machines, foil strip spot welding machines, aluminum spot welding machines, multi-head spot welding machines, bag cage spot welding machines, mesh welding machines, ton rack welding production lines, automatic resistance welding machines, brazing machines, diffusion welding machines, projection welding machines, seam welding machines, wire and cable optical cable supporting equipment, etc. If you are interested in our welding equipment, please contact us.
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