Laser restoring method of aircraft engine cylinder body

Abstract

The invention discloses a laser restoring method of an aircraft engine cylinder body, which ensures the aircraft engine cylinder body to be restored after being worn without rejection. The laser restoring method utilizes the laser energy to lead specified alloy material to be melted and coated on the part to be restored at an inner cavity of the aircraft engine cylinder body, and then leads the part to be processed in a mechanical way, thus ensuring the part to restore the physical dimension. After being restored, heat treatment is not needed to be carried out on the cylinder body, the needed hardness value can be obtained by a working surface, and the wear-resisting property is improved to some extent, so that a cylinder body which can be used again is obtained. As laser melt coating has the advantages of high bonding strength, small heat affected zone, no need of heat treatment and the like, the method is applicable to restoring the engine cylinder body. Meanwhile, in the process of the implementation, the method consumes little resource, causes no pollution and protects the environment.

Description

technical field [0001] The invention relates to a repair method for an aircraft engine cylinder block, in particular to a laser repair method. Background technique [0002] At present, many aircraft engine cylinder blocks cannot be repaired after wear and tear, and can only be scrapped, resulting in extremely high production costs for enterprises using the engine. The reasons why the cylinder body is difficult to repair are: 1. The cylinder body wall is thin, generally less than 4mm, and the thinnest part is only 2.5mm; 2. The cylinder body has a small diameter, deep depth, and one end is closed; 3. The cylinder body requires hardness, but Cannot be heat treated. Contents of the invention [0003] The invention discloses a laser repair method for a cylinder block of an aircraft engine, so that the cylinder block of the aircraft engine can be repaired after wear without scrapping. [0004] A kind of laser repair method of aircraft engine block of the present invention, th...

AI Technical Summary

Problems solved by technology

[0002] At present, many aircraft engine cylinder blocks cannot be repaired after wear and tear, and can only be scrapped, resulting in extremely high production costs for companies using the engine

The reasons why the cylinder body is difficult to repair are: 1. The cylinder body wall is thin, generally less than 4mm, and the thinnest part is only 2.5mm; 2. The cylinder body has a small diameter, deep depth, and one end is closed; 3. The cylinder body requires hardness, but Cannot be heat treated

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