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How to set the flash speed and upsetting speed in flash butt welding machine?
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How to set the flash speed and upsetting speed in flash butt welding machine?
Release time:2022.01.22
Summary of information:
The flash speed and upsetting speed in the flash butt welding machine must be adjusted slowly according to the material and size of the workpiece. So what is the required standard speed? There is still a lot of data, so let’s take a look at the detailed data with the editor of Xinxing Welding.
1. Flash speed
Flash speed: refers to the speed of the flash process.
A fast enough flash speed can ensureFlash butt welding machineThe flash is strong and stable, but too fast speed will make the heating zone too narrow and increase the difficulty of plastic deformation. At the same time, due to the increase in the required welding current, the depth of the burnout after blasting will be increased, thus reducing theHead quality.
The following factors should also be considered when setting the flash speed:
1) The composition and properties of the materials to be welded. Materials that contain a lot of easily oxidized elements or have good electrical and thermal conductivity should be larger. For example, welding austenitic stainless steel and aluminum alloys is faster than welding mild steel.
2) Whether there is preheating. It is easier to activate the flash when there is preheating, so the flash speed can be accelerated.
3) There should be a strong flash before upsetting. The speed should be fast to ensure a uniform metal layer on the end face.
2. Upsetting speed
Upsetting speed: refers to the speed when extruding the workpiece joint.
In order to avoid the difficulty of liquid metal removal and plastic metal deformation due to metal cooling in the interface area, and to prevent end-face metal oxidation, the faster the upsetting speed, the better. The minimum upsetting speed depends on the properties of the metal. The minimum upsetting speed for welding austenitic steel is approximately twice that for welding pearlitic steel. Metals with good thermal conductivity (such as aluminum alloys) require high upsetting speeds (150 ~ 200mm/s) during welding. For the same metal, if the temperature gradient in the interface area is large, the upsetting speed also needs to be increased due to the fast cooling rate of the joint.
As shown in the figure: Standard table of flash speed and upsetting speed for some flash butt welding materials
Wuxi Xinxing Welding Equipment Factory was founded in 1993 and has been innovating and developing for 29 years.Resistance welding machineManufacturer, production and sales products include: spot welding machine, iron spot welding machine, copper spot welding machine, aluminum foil spot welding machine, stainless steel spot welding machine, aluminum plate spot welding machine, stencil spot welding machine, microelectronic spot welding machine, butt welding machine, copper rod butt welding machine, iron wire butt welding machine, steel bar butt welding machine , aluminum rod butt welding machine, titanium wire butt welding machine, alloy wire butt welding machine, steel ring butt welding machine, wheel hub butt welding machine, copper and aluminum butt welding machine, copper and aluminum tube butt welding machine, etc., whether semi-automatic or automatic, they are all available, with excellent quality, favorable price, and many cases. Welcome to consult and purchase!
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How to set the flash speed and upsetting speed in flash butt welding machine?
Summary of information:
The flash speed and upsetting speed in the flash butt welding machine must be adjusted slowly according to the material and size of the workpiece. So what is the required standard speed? There is still a lot of data, so let’s take a look at the detailed data with the editor of Xinxing Welding.
1. Flash speed
Flash speed: refers to the speed of the flash process.
A fast enough flash speed can ensureFlash butt welding machineThe flash is strong and stable, but too fast speed will make the heating zone too narrow and increase the difficulty of plastic deformation. At the same time, due to the increase in the required welding current, the depth of the burnout after blasting will be increased, thus reducing theHead quality.
The following factors should also be considered when setting the flash speed:
1) The composition and properties of the materials to be welded. Materials that contain a lot of easily oxidized elements or have good electrical and thermal conductivity should be larger. For example, welding austenitic stainless steel and aluminum alloys is faster than welding mild steel.
2) Whether there is preheating. It is easier to activate the flash when there is preheating, so the flash speed can be accelerated.
3) There should be a strong flash before upsetting. The speed should be fast to ensure a uniform metal layer on the end face.
2. Upsetting speed
Upsetting speed: refers to the speed when extruding the workpiece joint.
In order to avoid the difficulty of liquid metal removal and plastic metal deformation due to metal cooling in the interface area, and to prevent end-face metal oxidation, the faster the upsetting speed, the better. The minimum upsetting speed depends on the properties of the metal. The minimum upsetting speed for welding austenitic steel is approximately twice that for welding pearlitic steel. Metals with good thermal conductivity (such as aluminum alloys) require high upsetting speeds (150 ~ 200mm/s) during welding. For the same metal, if the temperature gradient in the interface area is large, the upsetting speed also needs to be increased due to the fast cooling rate of the joint.
As shown in the figure: Standard table of flash speed and upsetting speed for some flash butt welding materials
Wuxi Xinxing Welding Equipment Factory was founded in 1993 and has been innovating and developing for 29 years.Resistance welding machineManufacturer, production and sales products include: spot welding machine, iron spot welding machine, copper spot welding machine, aluminum foil spot welding machine, stainless steel spot welding machine, aluminum plate spot welding machine, stencil spot welding machine, microelectronic spot welding machine, butt welding machine, copper rod butt welding machine, iron wire butt welding machine, steel bar butt welding machine , aluminum rod butt welding machine, titanium wire butt welding machine, alloy wire butt welding machine, steel ring butt welding machine, wheel hub butt welding machine, copper and aluminum butt welding machine, copper and aluminum tube butt welding machine, etc., whether semi-automatic or automatic, they are all available, with excellent quality, favorable price, and many cases. Welcome to consult and purchase!
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