An arc spraying device
A technology of arc spraying and arc voltage, applied in coating, fusion spraying, metal material coating process, etc., can solve the problems of reducing the density of the sprayed layer, affecting the quality of the coating, rough surface, etc., to improve the melting speed, Simple and compact structure, good preheating effect
Active Publication Date: 2016-02-03
无锡洲翔成套焊接设备有限公司 +1
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Problems solved by technology
However, with the increase of the spraying current, the particles in the coating become larger and the hardness of the coating decreases, while the metal particle assembly makes the sprayed coating loose and the surface rough, thereby reducing the density of the sprayed coating and affecting the quality of the coating.
Method used
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Embodiment Construction
[0025] The present invention will be further described below in conjunction with specific drawings and embodiments.
[0026] Such as figure 2 and image 3 Shown: In order to improve the spraying efficiency and avoid the problem of increased particles in the coating and increased heat input, the present invention includes an arc spray gun 2, and the arc spray gun 2 includes a first power conductive nozzle 11 and the first power contact tip 11 and the second A second power contact tip 12 matched with a power contact tip 11; the arc spray gun 2 also includes a first sampling contact tip 15 and a second sampling contact tip 16, and the first sampling contact tip 15 passes through a first insulating conduit 13 It is insulated and isolated from the first power contact tip 11 and then connected, and the second sampling contact tip 16 is connected to the second power contact tip 12 through the second insulating conduit 14 after isolation.
[0027] Specifically, in the embodiment of...
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The invention relates to a spraying device, particularly relates to a new high-efficient electric arc spraying device which belongs to the technical field of arc spraying. According to the technical scheme provided by the invention, the new high-efficient electric arc spraying device comprises an electric arc spraying gun, the electric arc spraying gun comprises a first-power conductive mouth and a second power conductive mouth matched with the first power conductive mouth; the electric arc spraying gun also includes a first sampling conductive mouth and a second sampling conductive mouth, the first sampling conductive mouth after insulated isolation with the first power conductive mouth by a first insulating conduit, is connected with the first power conductive mouth, and the second sampling conductive mouth after insulated isolation with the second power conductive mouth by a second insulating conduit, is connected with the second power conductive mouth. The new high-efficient electric arc spraying device is simple and compact in structure, and convenient to use, improves the wire melting rate, increases the amount of deposited metal, improves the spraying velocity and spraying efficiency, reduces the heat input, is safe and reliable.
Description
technical field [0001] The invention relates to a spraying device, in particular to an arc spraying device, which belongs to the technical field of arc spraying. Background technique [0002] Arc spraying technology is a kind of thermal spraying technology and an important part of surface engineering. In the course of nearly 40 years of development, with the continuous development and renewal of spraying equipment, spraying materials and spraying processes, arc spraying technology has been developed and promoted by leaps and bounds, and has become the most eye-catching technology in the field of thermal spraying. one. [0003] Arc spraying uses two continuously fed metals as consumable electrodes, generates an arc at its end as a heat source, uses compressed air to atomize the melted wire, and sprays it to the surface of the workpiece at a high speed to form a coating A thermal spraying method. General arc spraying technology has: 1), high coating bonding strength, high h...
Claims
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IPC IPC(8): C23C4/131
Inventor徐旦徐惠忠卢振洋黄鹏飞马淼
Owner无锡洲翔成套焊接设备有限公司