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Manufacturing method for AgC electrical contact and integrated assembly thereof

A manufacturing method and technology of electrical contacts, applied in the direction of additive manufacturing, electrical components, circuits, etc., can solve problems such as unreachable production, achieve zero-time delivery, small size, and reduce production costs

Active Publication Date: 2015-08-05
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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  • Manufacturing method for AgC electrical contact and integrated assembly thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Taking the printing of Ag97C3 electrical contacts and their integrated components as an example

[0025] In the first step, the powders of silver and graphite are prepared respectively, the graphite powder is pretreated by electroless silver plating, and the powder is mixed according to the mass ratio of silver and graphite at 97:3 to make silver-graphite composite powder.

[0026] In the second step, the silver-graphite 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-carbon composite powder. Put the coated silver-carbon composite powder into the 3D printer powder cylinder.

[0027] The third step is to establish a three-dimensional model of the Ag97C3 electrical contact and its integrated components, and use selective laser sintering technology to 3D print the Ag97C3 electrical contact and its integrated components. The laser power ...

Embodiment 2

[0029] Taking the printing of Ag96C4 electrical contacts and their integrated components as an example

[0030] In the first step, the powders of silver and graphite are prepared respectively, the graphite powder is pretreated by electroless silver plating, and the powder is mixed according to the mass ratio of silver and graphite at 96:4 to make silver-graphite composite powder.

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

[0032] The third step is to establish a three-dimensional model of the Ag96C4 electrical contact and its integrated components, and use selective laser sintering technology to 3D print the Ag96C4 electrical contact and its integrated components. The laser power is 13W and the scanning speed is 1800mm / s , the scanning di...

Embodiment 3

[0035] Take the printing of Ag95C5 electrical contacts and their integrated components as an example

[0036]In the first step, the powders of silver and graphite are prepared respectively, the graphite powder is pretreated by composite electroplating silver, and the powder is mixed according to the mass ratio of silver and graphite at 95:5 to make silver-graphite composite powder.

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

[0038] The third step is to establish a three-dimensional model of the Ag95C5 electrical contact and its integrated components, and use selective laser sintering technology to 3D print the Ag95C5 electrical contact and its integrated components. The laser power is 14W and the scanning speed is 1900mm / s , the scanning dist...

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Abstract

The invention relates to a manufacturing method for an AgC electrical contact and an integrated assembly thereof. The manufacturing method comprises the steps of firstly preparing coated silver-carbon composite powder and loading in a powder cylinder of a 3D printer, then establishing a three-dimensional model of the AgC electrical contact and the integrated assembly thereof, and finishing 3D printing molding of the AgC electrical contact and the integrated assembly thereof. According to the manufacturing method, direct and quick molding of the AgC electrical contact and the integrated assembly thereof from raw material to finished product is realized, and raw material and production cost are saved. Furthermore zero stock and zero time delivery are realized. The manufacturing method is a novel method for manufacturing the AgC 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 AgC 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, an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01H11/04B22F3/105B33Y10/00B33Y70/00B33Y80/00
CPCH01H11/048B22F10/00B22F10/60B22F10/36B22F10/68B22F10/66B22F10/34B22F10/366B22F10/16Y02P10/25
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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