Unlock instant, AI-driven research and patent intelligence for your innovation.

Preparation method of automobile welding electrode material

A welding electrode, automobile technology, applied in welding equipment, welding/cutting medium/material, welding medium, etc., can solve the problem of increasing production cost and uncontrollability of processing steps, unable to meet welding technical requirements, unable to meet electrode materials Production requirements and other issues to achieve the effect of improving physical and chemical properties, avoiding oxidation, and avoiding harmful elements

Active Publication Date: 2018-04-13
CHANGSHU MINGHUI WELDING EQUIP
View PDF11 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The welding electrode alloy materials provided by the prior art cannot meet the welding technical requirements of automobile manufacturers using aluminum alloy as the material for automobile production; and the preparation requires two melting and casting, increasing the production steps and increasing the production cost and uncontrollability, and After remelting, it is cast into a 4mm thick sheet, which cannot meet the requirements of electrode material production

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] Automotive welding electrode materials include the following metals:

[0033] Cr 0.8%

[0034] Zr 0.15%

[0035] Al 3%

[0036] Ti 0.3%

[0037] Gd 0.008%

[0038] Cu balance

[0039] Organize the production according to the requirements of the ISO5182-99 standard. First, mix Zr, Cr, Al, and Cu according to the mass percentage and put them into a vacuum melting furnace for melting, melting at a constant temperature of 1395°C, and fully stirring to obtain a copper alloy liquid; then copper Cool the alloy solution slightly to 1200°C, add metal Ti and Gd, and stir fully to obtain a complete alloy solution; then pour the complete alloy solution at a temperature of 1195°C into a copper ingot of a certain specification through a continuous casting device , air cooling; put the copper ingots into the heat preservation furnace for aging heat preservation treatment, the temperature of the heat preservation furnace is controlled at 860 ° C, and heat preservation for 4 hours;...

Embodiment 2

[0041] Automotive welding electrode materials include the following metals:

[0042] Cr 0.4%

[0043] Zr 0.15%

[0044] Al 3%

[0045] Ti 0.5%

[0046] Gd 0.005%

[0047] Cu balance

[0048] The production is organized according to the requirements of the ISO5182-99 standard. Firstly, Zr, Cr, Al, and Cu are mixed and melted in a vacuum melting furnace according to the mass percentage, melted at a constant temperature of 1380°C, and fully stirred to obtain a copper alloy liquid. Then slightly cool the copper alloy solution to a temperature of 1180° C., add metal Ti and Gd, and stir thoroughly to obtain a complete alloy solution. Then, the complete alloy solution is poured into copper ingots of a certain specification through a continuous casting device at a temperature of 1170°C, and cooled by air. Put the copper ingot into the heat preservation furnace for aging heat preservation treatment, the temperature of the heat preservation furnace is controlled at 890°C, and the ...

Embodiment 3

[0050] Automotive welding electrode materials include the following metals:

[0051] Cr 0.8%

[0052] Zr 0.24%

[0053] Al 3%

[0054] Ti 0.5%

[0055] Gd 0.008%

[0056] Cu balance

[0057] The production is organized according to the requirements of the ISO5182-99 standard. Firstly, Zr, Cr, Al, and Cu are mixed and melted in a vacuum melting furnace according to the mass percentage, melted at a constant temperature of 1380°C, and fully stirred to obtain a copper alloy liquid. Then slightly cool the copper alloy solution to a temperature of 1180° C., add metal Ti and Gd, and stir thoroughly to obtain a complete alloy solution. Then, the complete alloy solution is poured into copper ingots of a certain specification through a continuous casting device at a temperature of 1160°C, and cooled by air. Put the copper ingot into the heat preservation furnace for aging heat preservation treatment, the temperature of the heat preservation furnace is controlled at 890°C, and the ...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
softening pointaaaaaaaaaa
softening pointaaaaaaaaaa
tensile strengthaaaaaaaaaa
Login to View More

Abstract

The invention discloses a manufacturing method of a welding electrode material of an automobile. The welding electrode material comprises the following components in percent by mass: 0.4-0.8 percent of Cr, 0.15-0.24 percent of Zr, 0.25-3 percent of Al, 0.3-0.5 percent of Ti, 0.005-0.008 percent of Gd, and the balance of Cu. The beneficial metals are added, so that the physical performance and the service life of a Cu-Al-Zr-Cr alloy are improved and prolonged; through combination with a creative melting process, twice insulation treatment and in particular the adoption of a new quenching liquid, the electrode material with high performance is obtained; and in the trend that the material of an automobile body is gradually converted from a steel plate to an Al alloy, superhigh-current, high-temperature and no-adhesion welding requirements are met, and the unexpected technical effect is achieved.

Description

technical field [0001] The invention relates to the technical field of electrode materials for automobile welding, in particular to a preparation method of using copper as a raw material and adding other metals to make electrode materials for automobile body automobile welding. Background technique [0002] In many industries, resistance spot welding is used to join two metal workpieces together. The automotive industry, for example, often uses resistance spot welding to join prefabricated metal parts together during manufacturing. A pair of opposing welding electrodes are clamped at aligned points on opposite sides of the workpiece, usually in a predetermined welding position, a momentary current flows through the workpiece from one welding electrode to the other, the resistance of this current flow is within the workpiece and at the bonding interface Heat is generated at the weld pool, which begins to melt the weld pool, wets the adjacent surface of the steel workpiece, a...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): B23K35/22B23K35/40
CPCB23K35/222B23K35/402
Inventor 谭俊锋曾华
Owner CHANGSHU MINGHUI WELDING EQUIP