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About the process of forging flange introduction

Release time：

2023-02-15

　　About the process of forging flanges, the process of model forging is based on the shape of the forging resolution. According to the following criteria classification: according to the shape of the sub-die line; according to the shape of the main axis of the forging; according to the shape of the forging and its size in the top view than. According to the above criteria, the forgings on the hammer forging die can be divided into: long straight shaft forgings (die line and spindle center line are straight); bending forgings (both are curved).

　　Branch and shoot class forgings (main axis line is with shoulder bend straight line or curve); fork class and with fork class forgings; top view on the square, round and nearly square, round forgings; mixed class forgings. Forging flange, hammer on the die Forging flange forging forging design points The shape of the forgings should be able to be removed from the dolly.

　　To choose the correct parting surface; forgings to have a slope, metal overflow die groove, forgings are easy to take out; to have rounded corners, can make the forging die consolidation increased, metal activity is easy to prevent scrap; to try to prevent the design of thin-walled, high rib, flange, long branch buds and cross-sectional difference between too large forgings.

　　Complex forgings can be first divided into several simple parts and then irregularly made by welding or other mechanical joining methods of collocation. Hammer die forging process selection Roughly the same as the forging process selection of free forging, in addition to the characteristics of the hammer die forging, according to the shape and type of forgings, the need to combine a variety of different die grooves.

　　Calculation of forging flange blank material blank material weight = forging weight + burr weight + burn weight, that is, G = Gn + Gm + Gy burr weight = (0.5-0.8) * metal specific gravity * forging perimeter * burr groove cross-sectional area, that is, Gm = (0.5-0.8) rFS die forging hammer: die forging hammer more steam (air) hammer and drop hammer two.

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