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Intelligent laser remanufacturing method and system

A laser remanufacturing and intelligent technology, applied in the field of advanced manufacturing and automation, can solve problems such as adverse effects on the health of operators, lower production efficiency, cumbersome and time-consuming processes, etc., to shorten the production cycle, save judgment time, and reduce programming difficulty Effect

Pending Publication Date: 2019-03-19
HUAQIAO UNIVERSITY
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0004] 2. Laser cladding has relatively high requirements on the control of laser defocus (especially the laser cladding working head with powder feeding in the light). The laser focusing process is cumbersome and time-consuming, which reduces production efficiency. Exist, have adverse effects on the health of operators
[0005] 3. Laser cladding process parameters (laser power, powder feeding volume, scanning speed, etc.) cannot be adjusted in real time according to working conditions, and the quality stability of the cladding layer cannot be guaranteed

Method used

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  • Intelligent laser remanufacturing method and system

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Embodiment Construction

[0029] The present invention will be further described below through specific embodiments.

[0030] refer to figure 1 , figure 2 , is the main component of the intelligent laser remanufacturing system, including laser working head 1, CCD camera 7, six-axis industrial robot 2, positioner 3, laser 4, powder feeder 5 and control module 6, etc. The positioner 3 For adjusting the angle of the parts to be repaired, it includes a frame 3a and a workbench 3b, etc., the workbench 3b is used to place the connection to be repaired, and the frame 3a can control the action of the workbench 3b to adjust the angle of the parts to be repaired.

[0031] The six-axis industrial robot 2 is provided with a mechanical arm 2a, and the mechanical arm 2a can be moved and adjusted on six axes, and the six-axis industrial robot 2 commonly used in the market can be used. The laser working head is installed on the mechanical arm 2a, which includes a nozzle and a laser pointer 1a, and is used for cladd...

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Abstract

The invention discloses an intelligent laser remanufacturing method and system. The intelligent laser remanufacturing method comprises the steps that a point cloud data model of a part to be repairedis obtained, and the point cloud data model is compared with a standard CAD model of the part to be repaired to distinguish an area to be repaired; a coating path is automatically generated through apath autonomous planning module, and initial process parameters are determined by using an intelligent algorithm based on a process parameter database; the defocusing amount is automatically adjusted,and an initial machining position is determined; and combined with a visual algorithm, the process parameters are adjusted in real time by monitoring the change of the shape and temperature of a molten pool, and the closed-loop feedback control of the laser cladding process is realized. The intelligent laser remanufacturing method and system have the characteristics of automation and intelligence, are suitable for the surface repair of medium and large structural parts, can reduce an operation threshold of a laser remanufacturing industry, and improve the machining quality of laser coating.

Description

technical field [0001] The invention relates to the field of advanced manufacturing and automation, in particular to an intelligent laser remanufacturing method and system, and the system has the characteristics of automation and intelligence. Background technique [0002] With the rapid development of laser applications and the continuous reduction of laser application costs, laser processing is increasingly widely used in various industries. The laser remanufacturing technology supported by laser cladding as the main technology can repair high value-added parts and prolong the service life of equipment, and has a good market application prospect. At present, laser remanufacturing equipment has the following shortcomings: [0003] 1. Laser cladding is a complex physical process involving the interaction between laser beam, powder gas flow and molten pool. It is of great significance to determine the initial processing parameters reasonably to obtain high-quality cladding ...

Claims

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Application Information

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IPC IPC(8): C23C24/10
CPCC23C24/10
Inventor 颜丙功江开勇刘斌张炳威林俊义黄常标王霏张际亮路平
Owner HUAQIAO UNIVERSITY
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