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Forging method of aluminum alloy asymmetric Y-shaped die forging

An asymmetric die forging technology, applied in the forging field of aluminum alloy asymmetric Y-shaped die forgings, can solve the problems of inability to realize asymmetric material distribution, unfavorable mass production of forgings, unreasonable material distribution, etc., and is suitable for popularization , The solution is simple and easy to implement, and the effect of saving raw materials

Pending Publication Date: 2021-04-16
SHAANXI HONGYUAN AVIATION FORGING
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Problems solved by technology

Since upsetting and elongating forging are usually carried out symmetrically, the symmetrical Y shape produced by this method causes unreasonable material distribution and cannot realize asymmetrical material distribution, so that one part of the asymmetrical arm is completely filled with the mold cavity, and the other part cannot The mold cavity is completely filled, and the forging fires are many times, and the energy consumption is large, which is not conducive to the mass production of the forging

Method used

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Embodiment Construction

[0023] The technical solutions of the present invention will be further described below through specific embodiments.

[0024] An embodiment of the present invention provides a forging method of an aluminum alloy asymmetric Y-shaped die forging, the asymmetric Y-shaped die forging includes a lower cylinder and an upper asymmetric arm; the method includes the following steps:

[0025] Step 1. Insert the heated aluminum alloy bar into the forging platform of the intermediate forging. The forging platform of the intermediate forging includes a tire mold at the bottom and a limit device on the tire mold. The inner diameter of the tire mold is the same as the lower part of the Y-shaped die forging. The diameter of the cylinder is the same, the depth of the tire mold is the same as the length of the cylinder, and the limiting device is U-shaped;

[0026] Step 2: Upsetting the bar to generate an intermediate forging, the intermediate forging is asymmetrical T-shaped, and the upper sh...

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Abstract

The invention provides a forging method of an aluminum alloy asymmetric Y-shaped die forging. A limiting device is arranged, a middle forging similar to the asymmetric Y-shaped die forging is forged, asymmetric arms of the middle forging, arms of the asymmetric Y-shaped die forging and a rod cylinder have a certain proportional relation, the technical problems about asymmetric Y-shaped die forging molding and simultaneous filling molding of the two asymmetric arms are solved, raw materials are saved, the forging heating number is reduced, and the performance index of the forging is improved.

Description

technical field [0001] The invention relates to the technical field of forging an asymmetrical Y-shaped die forging, in particular to a forging method of an aluminum alloy asymmetrical Y-shaped die forging. Background technique [0002] Aluminum alloy asymmetrical Y-shaped die forgings are composed of upper asymmetrical arms and lower cylindrical rods, which are widely used in the manufacture of aircraft and other parts; such parts are usually forged from bar stock into symmetrical Y-shaped die forgings After that, it is subjected to isothermal die forging to complete the forging of asymmetrical Y-shaped forgings. [0003] In the process of forging a Y-shaped die forging from a bar, first put the heated bar into a tire mold whose inner diameter is the same as the diameter of the cylindrical rod at the lower part of the Y-shaped forging, and the depth is the same as the length of the cylindrical rod. Upsetting, elongating and forging the head exposed outside the tire mold. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21J5/02B21J5/08B21J13/02
Inventor 何丽侠田淼唐军张延珍
Owner SHAANXI HONGYUAN AVIATION FORGING
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