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High-speed electrospraying device

A high-speed, bath technology, applied in the field of mechanical devices, can solve the problems of difficult to obtain composite coating, unsatisfactory and unsatisfactory particle content of the coating, and achieve the effects of novel structure, reduced thickness and accelerated stirring speed.

Inactive Publication Date: 2008-08-27
SHANGHAI UNIV OF ENG SCI
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0004] At present, the local high-speed electrodeposited composite coating represented by brush plating has been studied in depth, but it is not widely used in production practice. The reason is that some properties of the composite coating obtained by brush plating, For example, the particle content in the coating is not satisfactory
Due to the limitations of its technology and process, it is difficult to obtain a satisfactory composite coating so far

Method used

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Examples

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Embodiment

[0016] In the high-speed electrospraying device, since the magnetic pump is forbidden to work under the condition of lack of liquid, the magnetic pump is designed at the bottom of the console. The sunken design is the deposition chamber, and all the connecting parts in the device are riveted with stainless steel. When working, the magnetic pump runs to make the plating solution circulate at a high speed in the liquid storage tank, the plating solution tank and the stainless steel pipeline, and the flow meter installed in the stainless steel pipeline controls the flow of the plating solution, and is filtered by the installed filter valve The impurities in it realize the high-speed injection and recycling of the plating solution. And through the installed regulating valve, it is guaranteed to flow into the liquid storage tank at the lowest point of the entire circulation device, to ensure the effectiveness of the plating solution, and to facilitate the storage of the plating sol...

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Abstract

The present invention relates to mechanical apparatus technology, and is especially one kind of high speed electric spray coating apparatus comprising coating solution circulation system, mechanical driving system, microcomputerized circuit control system and control console. Compared with available technology, the present invention has the advantages of novel structure, in which electrolyte is sprayed in certain flow rate and pressure from the nozzle as anode to the workpiece as the cathode to activate the coating mechanically, reduce the thickness of the boundary layer and diffusion layer, speed the stirring of solution, raise the limit current density and raise the deposition speed, high selectivity, quick speed, low cost and no need of mask, etc.

Description

[technical field] [0001] The invention relates to the technical field of mechanical devices, in particular to a high-speed electrospraying device. [Background technique] [0002] With the development of modern industry and technology, mechanical parts often work under complex and harsh conditions, and a large number of parts and equipment are scrapped due to wear and tear. In order to improve the reliability of parts, prolong their service life, and prevent them from being scrapped due to local damage to the surface under high-speed, high-temperature, heavy-load and corrosive medium working conditions, countries around the world are researching and applying various methods to improve the surface performance of parts. Surface technology, such as surface chemical heat treatment, surface deformation strengthening treatment, vapor deposition, thermal spraying, high-energy beam heat source surface treatment, and surface coatings such as electroplating, chemical plating and brush ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C25D5/08
Inventor 钱士强王伟周细应林文松
Owner SHANGHAI UNIV OF ENG SCI
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