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Closed-loop high-speed electric arc spraying wire feeder with wire feeding speed display function

A technology of arc spraying and wire feeding speed, applied in coating, melt spraying, metal material coating process, etc., can solve the problem of unstable wire feeding speed, etc., and achieve small surface roughness of coating and fine atomized particles. , the effect of low coating porosity

Pending Publication Date: 2020-07-31
SHIHEZI UNIVERSITY +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to overcome the deficiencies of the prior art and provide a closed-loop high-s

Method used

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  • Closed-loop high-speed electric arc spraying wire feeder with wire feeding speed display function

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Embodiment Construction

[0020] The present invention will be described in detail below in conjunction with the accompanying drawings, but it should be pointed out that the implementation of the present invention is not limited to the following embodiments.

[0021] see figure 1 , The invention discloses a high-speed electric arc spraying wire feeder with closed-loop belt wire feed speed display. , including arc spraying DC power supply 1, said arc spraying DC power supply can provide high power and high current, directly conducts with wire material 16 through DC cable, and generates arc at spray gun head 6.

[0022] Preferably, the wire enters the wire feeder 3 through the wire winding wheel 17, and the wire processed by the wire feeding roller 5 enters the spray gun.

[0023] As preferably, the high-pressure gas source 7 provides high-pressure gas for the spray gun head 6, the current sensor 2 directly senses the current in the DC cable, and sends a signal to the automatic controller 9, and the aut...

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Abstract

The invention designs a closed-loop high-speed electric arc spraying wire feeder with a wire feeding speed display function. Through monitoring of current of a spraying electric arc, obtained currentvalue is fed back to a control system, the control system adjusts a wire feeding motor, therefore, the wire feeding speed is adjusted, wire feeding stability of the wire feeder decides spraying current stability, and therefore the jet flow atomizing effect, the coating compactness and the coating surface roughness can be affected.

Description

technical field [0001] The invention relates to the technical field of high-speed arc spraying, in particular to a high-speed arc spraying wire feeder with a closed-loop belt and wire feeding speed display. Background technique [0002] The traditional arc spraying wire feeder adopts an open-loop motor to drive the wire feeding mechanism to send the spraying wire out from the conductive nozzle. During the spraying process, with the movement of the spray gun, the shape and position of the wire feeding tube also change accordingly. As the amount of wire increases, foreign matter such as dust in the wire feeding tube will also increase, so the wire feeding resistance is also constantly changing. The change of wire feeding resistance will lead to the change of wire feeding motor speed, which will lead to the change of spraying current, the atomized particles are relatively thick, the coating porosity is high, the coating bonding strength is low, and the coating surface roughness...

Claims

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Application Information

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IPC IPC(8): C23C4/131
CPCC23C4/131
Inventor 张立新娄晓康胡雪张胜利余志远张雪媛李春志范锦杰张文亚
Owner SHIHEZI UNIVERSITY