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AgMe electrical contact and manufacturing method of integrated assembly thereof

A manufacturing method and technology of electrical contacts, applied in the direction of improvement of process efficiency, improvement of energy efficiency, additive processing, etc., can solve problems such as unreachable production, achieve zero-time delivery, improve electrical conductivity, and small size

Inactive Publication Date: 2015-09-16
SHANGHAI HIWAVE COMPOSITE MATERIALS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The preparation technologies of the above various electrical contacts and their integrated components save precious metal raw materials to a certain extent, simplify the preparation process of electrical contacts, reduce raw material costs and production costs, and also improve the electrical efficiency of integrated components. The quality of the joint interface between the contact and the contact bridge, but it is not yet able to directly produce from raw materials to finished products, and it still needs a multi-step process to complete

Method used

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  • AgMe electrical contact and manufacturing method of integrated assembly thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Taking the printing of Ag70Ni30 electrical contacts and their integrated components as an example

[0025] The first step is to prepare silver and nickel metal powders respectively. The silver powder is a mixture of nano powder and micro powder, and the powder is mixed according to the mass ratio of silver to nickel at 70:30 to make silver nickel metal composite powder.

[0026] In the second step, the silver-nickel metal composite powder is made of a polymer with a particle size of 1 μm (the polymer used here is mainly a thermoplastic material, such as polycarbonate (PC), nylon (PA), etc.) coated silver-nickel metal composite powder. Put the coated silver-nickel metal composite powder into the powder cylinder of the 3D printer.

[0027] The third step is to establish a three-dimensional model of the Ag70Ni30 electrical contact and its integrated components, and use selective laser sintering technology to 3D print the Ag70Ni30 electrical contacts and their integrated c...

Embodiment 2

[0029] Taking the printing of Ag60Ni40 electrical contacts and their integrated components as an example

[0030] The first step is to prepare silver and nickel metal powders respectively. The silver powder is a mixture of nano powder and micro powder, and the powder is mixed according to the mass ratio of silver to nickel at 60:40 to make silver nickel metal composite powder.

[0031] In the second step, the silver-nickel metal composite powder is made into a film-coated silver-nickel metal composite powder with a particle size of 10 μm by using a polymer as a binder. Put the coated silver-nickel metal composite powder into the powder cylinder of the 3D printer.

[0032] The third step is to establish a three-dimensional model of the Ag60Ni40 electrical contact and its integrated components, and use selective laser sintering technology to 3D print the Ag60Ni40 electrical contacts and their integrated components. The laser power is 13W and the scanning speed is 1800mm / s , the...

Embodiment 3

[0035] Taking the printing of Ag40W60 electrical contacts and their integrated components as an example

[0036]The first step is to prepare silver and tungsten metal powder respectively. The silver powder is a mixture of nano powder and micro powder, and the powder is mixed according to the mass ratio of silver and tungsten at 40:60 to make silver and tungsten metal composite powder.

[0037] In the second step, the silver-tungsten metal composite powder is made into a film-coated silver-tungsten metal composite powder with a particle size of 50 μm by using a polymer as a binder. Put the coated silver-tungsten metal composite powder into the powder cylinder of the 3D printer.

[0038] The third step is to establish a three-dimensional model of the Ag40W60 electrical contact and its integrated components, and use selective laser sintering technology to 3D print the Ag40W60 electrical contacts and their integrated components. The laser power is 14W and the scanning speed is 190...

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Abstract

The invention relates to an AgMe electrical contact and a manufacturing method of an integrated assembly thereof. The manufacturing method comprises the steps that film compound powder of silver and reinforced phase metal is prepared and contained in a three-dimensional printer powder cylinder, and then a three-dimensional model of the AgMe electrical contact and the integrated assembly thereof is built through a computer to complete three-dimensional printing forming of the AgMe electrical contact and the integrated assembly thereof. According to the AgMe electrical contact and the manufacturing method of the integrated assembly thereof, direct and quick forming of the AgMe electrical contact and the integrated assembly thereof from raw materials to finished products is achieved through three-dimensional printing, the raw materials and the production cost are saved, and meanwhile zero stock and zero-time handing over can be achieved; the method is a new method for preparing the AgMe electrical contact and the integrated assembly thereof.

Description

technical field [0001] The invention relates to a method for manufacturing an electrical contact and its integrated components, in particular to a 3D printing molding method for an AgMe electrical contact and its integrated components. Background technique [0002] Electric contacts and their integrated components are basic components for motors, electrical appliances, instruments and meters, electronics and other industries. Many, complete specifications, high performance, its quality directly affects the performance of low-voltage electrical appliances. Manufacture of high-quality electrical contacts and their integrated components results in significant savings in energy and raw materials. Therefore, the variety, quality, and technological level of electrical contacts and their integrated components have become one of the symbols of the performance level of industrial products such as motors and electrical appliances. However, the preparation of high-quality, various, a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22F3/105B33Y10/00B33Y80/00
CPCY02P10/25
Inventor 陈乐生刘伟利毛琳王鹏鹏裘揆王蕾
Owner SHANGHAI HIWAVE COMPOSITE MATERIALS CO LTD
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