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HANGXIN FLANGE
How is Forged Weld Neck Flange Forged
Date：
2022-10-20 00:00
Source：
Forged Weld Neck Flange forging operation: The production workshop selects the real and suitable raw materials according to the process requirements, and checks the appearance of the materials before heating. If there are visible cracks, folds, inclusions and other defects, use peeling or other eradication methods to clean Only allowed to enter the furnace for heating. Forging is performed lightly with a small amount of deformation at first, and then hits the guideline after the plasticity is improved.
And stop forging in a square-polygon-square manner. During the forging process of Forged Weld Neck Flange, if there are cracks or other defects on the surface, it should be reported to the quality inspector and craftsman in time, and reasonable disposal should be carried out. When upsetting, first chamfer the upper and lower ends or press the circumference, and then lay it flat and hit it hard. The blank should be rotated around its axis from time to time to make the average deformation.
When the section of the blank is large, the "weight iron" can be used to flatten and upset. During the forging process of Forged Weld Neck Flange, the punching process should be as small as possible and then reamed. The diameter of the initial punching hole is 1/2.5-1/3 of the nominal hole diameter. The front end of the punching hole is flat and stamped with the center of the initial punching head. After the end of the coal is punched, the double-sided punching should be used as much as possible to avoid burrs on the lower end surface. . During the forging process, it is necessary to work diligently and strictly control the forging temperature within the range of the rules.
When producing Forged Weld Neck Flange, select the appropriate forging ratio. Under normal conditions, select ≥2. The tonnage of the forging hammer is selected to be 1/3 larger than that of ordinary steel, which can restrain the high deformation resistance in the hot state, so as to refine the grains through forging. The forgings are air-cooled after forging, so that the carbides precipitated when the forgings are cold and deformed are dissolved into the austenite, the corrosion resistance is improved, and the solution treatment is carried out.
Keywords：
Forged Weld Neck Flange,Wholesale Forged Weld Neck Flange
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