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Dual nozzle cap for thermal spray coating

A dual-nozzle, thermal spraying technology, which is applied in coating, melt spraying, metal material coating process, etc., can solve the problems such as the decline of non-crystalline characteristics, achieve the effect of reducing spraying temperature, high strength and elasticity, and preventing bonding

Inactive Publication Date: 2012-03-14
金炳斗
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For such amorphous metals, if the existing thermal spraying methods such as the above-mentioned references (which mix the coating material and ceramic powder or diversify the spraying direction) are applied, oxidation will occur to make the non-crystalline characteristics (amorphous property) the problem of sharp decline

Method used

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  • Dual nozzle cap for thermal spray coating
  • Dual nozzle cap for thermal spray coating
  • Dual nozzle cap for thermal spray coating

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Embodiment Construction

[0022] The specific implementation manners of the present invention will now be described in detail with reference to the accompanying drawings, so that those of ordinary skill in the technical field to which the present invention belongs can easily implement the present invention.

[0023] The overall structure of the embodiment of the dual nozzle cap (cap) for thermal spraying according to the present invention is as follows Figure 1 to Figure 3 shown.

[0024] As shown in the accompanying drawings, the nozzle cap of the present invention installed on the front end of the spray gun 10 is composed of the following parts: an inner nozzle 40, a gun insertion hole 41 for inserting the front end of the above-mentioned spray gun is formed at the center of the inner nozzle; The outer periphery of the inner nozzle 40 and the outer nozzle 50 connected to one side of the inner nozzle 40 , and the annular space between the inner and outer nozzles 40 , 50 for accelerating the injected ...

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Abstract

Disclosed is a dual nozzle cap for thermal spray coating to which both a thermal spray coating method and a kinetic spray coating method are applied. The dual nozzle cap includes a nozzle unit including inner and outer nozzles, a gun insertion hole, into which the front end of a spray gun is inserted, and a gas connection hole, into which a gas connector to supply the gas is inserted, formed through one surface of the nozzle unit. In a space between the inner and outer nozzles, a gas collection part to uniformly distribute the high-pressure subsidiary gas injected through the connection hole, a neck part to apply pressure to the high-pressure subsidiary gas to accelerate the subsidiary gas, and a gas spray hole to spray the subsidiary gas supplied from the neck part together with a material sprayed from the spray gun are sequentially formed.

Description

technical field [0001] The present invention relates to a dual nozzle cap (Dual Nozzle Cap) for thermal spraying, and more particularly to one that is attached to the outer periphery of the flame injection port of the spray gun, so that the thermal spray flame and the additional injected auxiliary gas are sprayed together to adjust the thermal spray A device for the speed, temperature and purity of the flame. Background technique [0002] As we all know, Thermal Spray includes Thermal Spray Coating and Kinetic Spray Coating. The thermal spraying method is to spray the wire or metal powder as the coating agent after melting at high temperature. The power spraying method is to spray the coating powder onto the surface of the substrate to be coated at high pressure and high speed, and use the impact energy generated during the impact to melt the powder for coating. The above-mentioned thermal spraying methods are divided into gas type and electric type according to the type of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23C4/00
CPCC23C4/00
Inventor 金炳斗
Owner 金炳斗
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