Manufacturing technology of 5083 aluminum-alloy high-voltage switch flange for extra-high-voltage power transmission and transformation
A high-voltage switch and manufacturing process technology, applied in electrical switches, circuits, electrical components, etc., can solve problems such as difficulty in guaranteeing, gas emission, affecting the performance of switches, and achieve a high level of internal defect control, sealing performance guarantee, Good plasticity and toughness
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Embodiment １
[0023] Production of φ460 / φ400×60 (unit: mm) switch flange:
[0024] 1. Choose 5083 aluminum alloy cast rod with φ188mm as raw material, its chemical composition is (%wt): 0.14%Si, 0.23%Fe, 0.10%Cu, 0.01%Zn, 0.009%Ti, 0.54%Mn, 0.10%Cr, 4.53%Mg, the balance is Al;
[0025] 2. After cutting the 5083 aluminum alloy cast rod of φ188mm, it is turned and peeled to φ184mm, and its height to diameter ratio is 1.1. After turning, the surface has no visible pores, cracks, looseness and other defects;
[0026] 3. Put the turned and peeled blank into an electric furnace for heating, and keep it at 460℃ for 3h;
[0027] 4. The blank after the heat preservation is quickly transferred to the hammer, and undergo upsetting, drawing, re-upsetting, punching, and horse bar reaming. The deformation temperature is between 320℃-430℃, and the blank is monitored by infrared thermometer. Surface temperature, to ensure that it meets the deformation temperature requirements; if the billet is found to be cooled ...
Embodiment 2
[0037] Production of φ1060 / φ950×90 (unit: mm) switch flange:
[0038] 1. Choose 5083 aluminum alloy casting rod with φ305mm as raw material, its chemical composition is (%wt): 0.06%Si, 0.14%Fe, 0.04%Cu, 0.01%Zn, 0.009%Ti, 0.50%Mn, 0.10%Cr, 4.30%Mg, the balance is Al;
[0039] 2. After cutting the φ305mm 5083 aluminum alloy cast rod, it is turned and peeled to φ300mm, and its height to diameter ratio is 1.5. After turning, the surface has no visible pores, cracks, looseness and other defects;
[0040] 3. Put the turned and peeled blank into an electric furnace for heating, and keep it at 460℃ for 5h;
[0041] 4. The blank after the heat preservation is quickly transferred to the hammer, and undergo upsetting, drawing, re-upsetting, punching, and horse bar reaming. The deformation temperature is between 320℃-430℃, and the blank is monitored by infrared thermometer. Surface temperature, to ensure that it meets the deformation temperature requirements; if the billet is found to be cooled...
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