1. Casting flange processing technology:
Put the selected raw material steel into an intermediate frequency electric furnace for smelting, so that the temperature of the molten steel reaches 1600-1700℃; preheat the metal mold to 800-900℃ to maintain a constant temperature; start the centrifuge and inject the molten steel into the preheated metal mold; the castings are naturally cooled to Keep at 800-900℃ for 1-10 minutes; cool with water to near normal temperature, demould and take out the casting.2. Forging flange processing technology:
The forging process generally consists of the following procedures, namely, selecting high-quality steel billets for cutting, heating, forming, and cooling after forging. The forging process methods include free forging, die forging and membrane forging. During production, choose different forging methods according to the quality of forgings and the number of production batches.The die forgings have high dimensional accuracy, small machining allowances, and more reasonable fiber structure distribution of the forgings, which can further improve the service life of the parts.
Flange factory processing process The basic process of free forging: In free forging, the shape of the forging is gradually forged from the blank through some basic deformation processes. The basic processes of free forging include upsetting, drawing, punching, bending and cutting.
3. Die forging processing technology:
The basic process of die forging Process of die forging: blanking, heating, pre-forging, final forging, punching, trimming, quenching and tempering, shot peening. Commonly used processes include upsetting, drawing, bending, punching, and forming.4. Cutting flange processing technology:
Directly cut the flange with the inner and outer diameter and thickness of the flange on the middle plate, and then process the bolt holes and waterline. The flange produced in this way is called a cut flange, and the maximum diameter of this type of flange is limited by the width of the middle plate.5. Rolled flange processing technology:
The process of cutting the sliver from the middle plate and then rolling it into a circle is called rolling, which is mostly used in the production of some large flanges. After the rolling is successful, welding is performed, then flattened, and then the waterline and bolt holes are processed.
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