Aero-engine blades NC blasting machine / supersonic spraying machine / plasma spraying machine
Aero-engine turbine blades working conditions are very bad, so the performance of advanced aircraft engines, turbine blades have adopted the excellent performance but the price is very expensive nickel-base and cobalt-base superalloy materials and sophisticated manufacturing process, for example, directional solidification blades and single crystal blades. In the repair shop uses advanced technology to repair defects and damage the blade repair, extend its life and reduce replacement blades, obtained considerable economic benefits. In order to effectively improve aircraft engine reliability and economy, turbine blade repair techniques increasingly advanced engine and repair units user attention and gained wide application.
Aero-engine blades CNC shot peening equipment:
Many advanced features of aero engine turbine blade coating technology has been applied to improve its anti-oxidation, anti-corrosion, wear resistance, high temperature performance and aerodynamic efficiency of the turbine, but the blade during use will be different degrees of coating defects, therefore, protective coating must be repaired to repair the blades are generally required to peel off the original coating, re-coating new coating. In addition, the original uncoated turbine blades, the blades may be coated on the surface of the substrate a protective coating, in order to improve reliability and service life of the blade. Currently, turbine blade coating applied main types of anti-oxidation corrosion resistant coating, MCrAIY metal based ceramic thermal barrier coatings, wear-resistant coating 'is mainly used for leaf crown and root,seal coating, etc., are Preparation of coatings used are the following.
Aero engine blade coating repair
Many advanced features of aero engine turbine blade coating technology has been applied to improve its anti-oxidation, anti-corrosion, wear resistance, high temperature performance and aerodynamic efficiency of the turbine, but the blade during use will be different degrees of coating defects, therefore, protective coating must be repaired to repair the blades are generally required to peel off the original coating, re-coating new coating. In addition, the original uncoated turbine blades, the blades may be coated on the surface of the substrate a protective coating, in order to improve reliability and service life of the blade. Currently, turbine blade coating applied main types of anti-oxidation corrosion resistant coating, MCrAIY metal based ceramic thermal barrier coatings, wear-resistant coating 'is mainly used for leaf crown and root (, seal coating, etc., are Preparation of coatings used are the following.
Diffusion alloying method: The chemical composition of a corrosion-resistant metal is released from the filler at a high temperature, is transferred to and spread into the inside of the upper member, a dense corrosion layer member is formed.
Thermal spraying process: the use of gas, liquid fuel or electric arc, plasma arc as a heat source, the metal, alloys, cermets, oxides, carbides, such as spraying the material is heated to a molten or semi-molten state by high-speed air atomizing injector deposited on the workpiece surface to form a surface layer attached to a solid method.
Physical and chemical deposition process deposition process: phase migrate to the surface of the base metal by metal vapor or chemical ingredients. This process is limited tooling equipment is seldom used.