Enhanced additive process and mold strengthening method based on arc fuse

An additive process and fuse technology, applied in additive processing, manufacturing tools, furnaces, etc., can solve the problems of arc fuse stripping, insufficient strength in the additive area, etc., to reduce residual stress, uniform node distribution, improve The effect of strength and hardness

Active Publication Date: 2021-07-20
康硕(山西)低应力制造系统技术研究院有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The arc fuse additive process generally uses arc fuse to add material, and the arc fuse is added layer by layer. Due to insufficient welding strength, there will be peeling between the arc fuse additive layers, and the strength of the additive area is insufficient.

Method used

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  • Enhanced additive process and mold strengthening method based on arc fuse
  • Enhanced additive process and mold strengthening method based on arc fuse
  • Enhanced additive process and mold strengthening method based on arc fuse

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Experimental program
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Effect test

Embodiment Construction

[0026] For new molds, additive strengthening areas can be reserved locally in advance, and then this method can be used for additive strengthening treatment; for failed molds, after the failed parts are cleaned out, this method can be used for additive strengthening treatment.

[0027] In the failure mold, for large molds, arc fuse additive strengthening is only required in the local area where wear occurs, while for small molds, arc fuse additive reinforcement can be performed on the entire mold surface. In this specific embodiment, tempering heat treatment is also performed on the mold after the arc fuse additive strengthening to obtain stable tempered martensite, so as to achieve the effect of improving the stability of the structure, so that the mold does not occur during use. With the transformation of the structure, its geometric size and performance tend to be stable, and at the same time, it can eliminate internal stress and improve toughness. The arc fuse additive pro...

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Abstract

The invention discloses an enhanced material-adding process based on arc fuses, in which an arc fuse material-added layer is formed for each fuse-added material, and the arc fuse-added material layer is hammered; each arc fuse material-added layer is 2~ 3 layers, the grid frame is laid; after the grid frame is laid, the grid frame is hammered to make the grid frame and the arc fuse additive layer fit together; when the grid frame is laid, the arc fuse additive layer is laid The grid is positioned by welding the nails; the hardness of the grid frame material and the nail material are greater than that of the fuse material, and the melting points of the grid frame material and the nail material are lower than the melting point of the fuse additive material, so that the grid frame The nails are gradually melted with the progress of the fuse additive, and finally combined with the arc fuse additive layer as a whole. In the mold strengthening method of the present invention, the mold is strengthened by arc fuse material addition and then tempering heat treatment is performed. The invention can enhance the strength and hardness of the added material area, eliminate the residual stress and improve the toughness of the mould.

Description

technical field [0001] The invention relates to the technical field of mold processing. Background technique [0002] Molds need to be repaired when they wear out, especially large ones. The arc-fuse additive process is often used in mold repair. The arc fuse additive process generally uses arc fuse to add material, and the arc fuse is added layer by layer. Due to insufficient welding strength, there will be peeling between the layers of the arc fuse additive, and the strength of the additive area is insufficient. Contents of the invention [0003] In view of the deficiencies of the above technologies, the present invention provides an arc fuse-based strengthening and additive process to solve the technical problem of how to improve the strength of the additive area. [0004] In order to solve the above-mentioned technical problems, the present invention provides a kind of strengthening additive process based on arc fuse, comprising the following steps: [0005] Each ti...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B22F10/18B22F10/66B22F7/08B22F10/64C21D1/18C21D9/00C22F1/10B33Y10/00
CPCB22F3/24B22F7/062B22F7/08B22F2003/248B22F2007/068B33Y10/00C21D1/18C21D9/0068C21D2211/008C22F1/10
Inventor 权国政胡昊轩余炎泽杨焜盛雪
Owner 康硕(山西)低应力制造系统技术研究院有限公司
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