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Method for reducing heat treatment deformation of sheet metal angle parts

A technology for heat treatment of deformation and parts, applied in the field of heat treatment, can solve problems such as excessive manual intervention, achieve the effect of improving surface quality, reducing part scrap rate, and reducing the workload of shape correction

Active Publication Date: 2019-10-08
JIANGXI CHANGHE AVIATION IND
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  • Claims
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Problems solved by technology

[0003] The invention provides a method for reducing heat treatment deformation of sheet metal angle material parts, which solves the work of excessive manual intervention caused by disordered heat treatment deformation in the prior art

Method used

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  • Method for reducing heat treatment deformation of sheet metal angle parts

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Embodiment Construction

[0015] The method for reducing heat treatment deformation of sheet metal angle material parts of the present invention comprises the following steps:

[0016] The first step: process two preforms of the same shape, including the first preform 1 and the second preform 3, the edges opposite to the openings of the two are welding / temporary welding edges, and the size ratio of the welding / temporary welding edges The maximum outer dimension of the part is greater than 5mm; during processing, the square plate is bent according to the actual bending angle of the part, and formed into the first preform 1 and the second preform 3 respectively;

[0017] The second step: processing the reinforcement plate 2, the size of the reinforcement plate is larger than the opening size of the first preform 1 and the second preform 3;

[0018] Step 3: If figure 1 As shown, the preform is symmetrically welded / temporarily welded on both sides of the reinforcement plate to form an intermediate configu...

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Abstract

The invention belongs to the technical field of heat treatment, and particularly relates to a method for reducing heat treatment deformation of sheet metal angle parts. After being subjected to heat treatment, the sheet metal angle parts tend to generate large deformation (such as warping and distortion) and are large in elasticity and difficult in correction; and the surface of the parts is freeof machining allowance, the residual correction marks on the surface of the parts cannot be removed, and the appearance quality of the parts is influenced. According to the method for reducing heat treatment deformation of the sheet metal angle parts, the same preformed parts are arranged on the two sides of a reinforcing plate in a mode of symmetry welding / tack welding, and welding parts / tack welding parts are subjected to heat treatment, and then are separated and machined to obtain final parts; deformation amount of the parts after heat treatment is greatly reduced, the correcting workloadis reduced, and the production efficiency is improved, the rejection rate of the parts is reduced, and meanwhile, the surface quality of the parts is improved, difficulty and workload of correction ofthe parts are reduced, rejection of the parts is avoided, and material consumption is reduced.

Description

technical field [0001] The invention belongs to the technical field of heat treatment, and in particular relates to a method for reducing heat treatment deformation of sheet metal angle material parts. Background technique [0002] Sheet metal angle material parts generally have low rigidity, and are prone to large deformation (such as warping and twisting) after heat treatment. After heat treatment, the elasticity is large, and it is difficult to correct; Traces cannot be removed, affecting the appearance quality of parts. Contents of the invention [0003] The invention provides a method for reducing heat treatment deformation of sheet metal angle material parts, which solves the work of excessive manual intervention caused by disordered heat treatment deformation in the prior art. [0004] The invention discloses a method for reducing heat treatment deformation of sheet metal angle material parts. In the method, the same preform is symmetrically welded / temporarily weld...

Claims

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Application Information

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IPC IPC(8): C21D9/00
CPCC21D9/0068
Inventor 蒋克全王宝龙周晶晶张瑜赵兴德
Owner JIANGXI CHANGHE AVIATION IND
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