A kind of manufacturing method of AGC electrical contact and its integrated assembly

Abstract

The invention relates to a method for manufacturing an AgC electric contact and its integrated components. First, film-coated silver-carbon composite powder is prepared and loaded into a powder cylinder of a 3D printer, and then the AgC electric contact and its integrated components are established by a computer. 3D model to complete the 3D printing of AgC electrical contacts and their integrated components. The invention realizes the direct rapid prototyping of AgC electric contacts and their integrated components from raw materials to finished products through 3D printing, saves raw materials and production costs, and can realize zero inventory and zero-time delivery at the same time. It is a method for preparing AgC electric contacts and its A new approach to monolithic components.

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...

Examples

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 tank.

[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 is 1...

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 tank.

[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 distan...

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 cylinder.

[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 ...

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...

Examples

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 tank.

[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 is 1...

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 tank.

[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 distan...

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 cylinder.

[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 ...

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