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Die Forging Deformation Technology in Forging

Release date:2018-11-14 The author: Click:


1. Blank manufacture step or blank mold chamber

Upsetting: upsetting billet reduces the height of the billet and increases the diameter. The billet used for the forgings of the cake. The diameter of the blank is close to the forging, which is beneficial to the forming of the forgings, reducing the number of hammer strikes, improving the life of the die, and removing the oxide skin on the surface of the blank.

Flattening: flattening the blank so that the blank becomes flat and widened, and the length of the billet is almost unchanged after flattening. Most of the forgings are made of flat and wide shape.

Roll extrusion: the local cross section of the billet is enlarged, the adjacent part is reduced, and the length of the billet is slightly increased. After rolling, the volume of the billet is accurately distributed along the axis, making the surface smooth and round. During operation, the billet is turned 90 degrees around the axis without feeding.

Pull out: reduce the local cross sectional area of billet, increase the length of billet, so that the volume of the billet is redistributed along the axis. During operation, the billet is turned 90 degrees around the blank axis and fed along the axis to the mold cavity.

Press shoulder: make the local section of the billet slightly increase, and the part of the press is widened. In general, the blank is not turned over.

Bending: bending the blank axis and obtaining a shape similar to that of the horizontal projection of the forging to meet the final forging requirement for the forging of the axis.

Two. Die forging or die forging die

Pre forging: the shape close to the final forging is obtained by pre forging, so that the final forming of the forgings in the final forging can improve the metal flow conditions, benefit the filling of final forging, avoid the final forging and increase the life of the die die.

Final forging: the final forging shape is obtained through final forging, and all forgings must undergo final forging. There are flash grooves around the final forging chamber to accommodate excess metal.

Die forging manufacturer chose Linyi Hongsen Rail Transit Material Co., Ltd. as the main large-scale die forging truck front axle


This article URL:http://en.hsforge.cn/news/394.html

Key words:Largedieforgings

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