Welding repairing restoration method for beryllium bronze metal accessory

A metal part and repair method technology, applied in the field of welding and repairing metal parts, can solve the problems of low maintenance cost, high price, poor use effect, etc., and achieve the effects of reduced scrap loss, simple operation, and timely maintenance

Inactive Publication Date: 2009-05-27
CHONGQING CHANGAN AUTOMOBILE CO LTD
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Among them, the price of steel punches is low, but the use effect is poor, the maintenance cost is high during use, and the production efficiency is low; the use effect of beryllium bronze punches is better, the use maintenance cost is low, the production efficiency is high, but the price is expensive
After the beryllium bronze punch has been used for a period of time, it shows that it will produce a deep groove and cannot be used. Due to the high price of the beryllium copper welding wire, the cost of repairing the beryllium bronze punch with the beryllium copper welding wire is relatively high. Therefore, in production The unusable beryllium bronze punches are often scrapped, resulting in a large waste

Method used

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  • Welding repairing restoration method for beryllium bronze metal accessory

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Embodiment Construction

[0014] Select welding parameters, these parameters include welding parameters known to those skilled in the art such as welding current, welding wire and the distance between the welding torch of the welding torch and the metal part substrate. The welding parameters are mainly based on the welding technology to select the distance between the welding torch of the welding torch and the metal part substrate, and the welding wire and welding current are selected according to the substrate material.

[0015] Take repairing beryllium bronze punch as example below to further illustrate the present invention.

[0016] Referring to the accompanying drawings, use a conventional method to clean the surface of the beryllium bronze punch 1 to be repaired, heat it up to 300°C for 2 to 3 hours with the furnace, and then take it out of the furnace for welding.

[0017] When welding, the angle between the welding torch and the surface of the beryllium bronze punch is kept at about 80°, and th...

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Abstract

The invention relates to a welding repair method of expensive metal element. Wherein, it comprises (1), using general method to clean the surface of element; (2) increasing the temperature of element in furnace to 300Deg. C, keeping for 2-3h; (3), the basic layer of element is welded via direct current and using common steel welding solder; (4), when at 2-3mm from the shaping surface of repaired groove, using alternative current welding, to weld surface with color metal welding solder. The invention has low cost and wide application.

Description

technical field [0001] The invention relates to a method for welding and repairing metal parts, in particular to a method for welding and repairing beryllium bronze metal parts by using two kinds of welding wires. Background technique [0002] In industrial production, die-casting products are often required, and in the production of large-scale die-casting parts, a large number of metal punches need to be consumed. At present, the most commonly used metal punches are beryllium bronze punches and steel punches. Among them, the steel punch is cheap, but the use effect is poor, the maintenance cost is high during use, and the production efficiency is low; the beryllium bronze punch has a better use effect, low maintenance cost, high production efficiency, but is expensive. After the beryllium bronze punch has been used for a period of time, it shows that it will produce a deep groove and cannot be used. Due to the high price of the beryllium copper welding wire, the cost of r...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23K9/04B23K9/095B23K9/235B23K35/22
Inventor 李轲姜鸿
Owner CHONGQING CHANGAN AUTOMOBILE CO LTD
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