Vacuum brazing method for patch repairing of stator blade of aero-engine turbine
A technology for aero-engines and turbine stators, applied in welding equipment, metal processing equipment, manufacturing tools, etc., can solve the problems of failure repair that cannot be ablated, ablation, scrapped blades, etc., and achieve small solder, good repair effect, and energy saving cost effect
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[0029] Example 1
[0030] A vacuum brazing method for repairing an aeroengine turbine stator blade patch, including the following steps;
[0031] S1. Removal of thermal barrier coating: remove the thermal barrier coating according to the thermal barrier coating mode of the turbine stator blades, the method of removing the thermal barrier coating is chemical method, sand blowing or high-pressure water jet;
[0032] S2. Mark the ablation part;
[0033] S3. Machining ablation parts: remove the ablation area processing for the marked position, and ensure that the removal part is a regular-shaped processing slot, and the processing method to remove the ablation area is CNC milling or EDM;
[0034] S4. Cut the patch material: Cut the patch material of the corresponding size from the metal injection molded sheet according to the size of the processing slot;
[0035] S5. Grinding width: Use a pneumatic grinding pen and a hard rotary file to grind the groove and patch material. The width of the p...
Example Embodiment
[0043] Example 2
[0044] A vacuum brazing method for repairing an aeroengine turbine stator blade patch, including the following steps;
[0045] S1. Removal of thermal barrier coating: remove the thermal barrier coating according to the thermal barrier coating mode of the turbine stator blades, the method of removing the thermal barrier coating is chemical method, sand blowing or high-pressure water jet;
[0046] S2. Mark the ablation part;
[0047] S3. Machining ablation parts: remove the ablation area processing for the marked position, and ensure that the removal part is a regular-shaped processing slot, and the processing method to remove the ablation area is CNC milling or EDM;
[0048] S4. Cut the patch material: Cut the patch material of the corresponding size from the metal injection molded sheet according to the size of the processing slot;
[0049] S5. Grinding width: Use pneumatic grinding pen and hard rotary file to grind the groove and patch material. The width of the patch...
Example Embodiment
[0057] Example 3
[0058] A vacuum brazing method for repairing an aeroengine turbine stator blade patch, including the following steps;
[0059] S1. Removal of thermal barrier coating: remove the thermal barrier coating according to the thermal barrier coating mode of the turbine stator blades, the method of removing the thermal barrier coating is chemical method, sand blowing or high-pressure water jet;
[0060] S2. Mark the ablation part;
[0061] S3. Machining ablation parts: remove the ablation area processing for the marked position, and ensure that the removal part is a regular-shaped processing slot, and the processing method to remove the ablation area is CNC milling or EDM;
[0062] S4. Cut the patch material: Cut the patch material of the corresponding size from the metal injection molded sheet according to the size of the processing slot;
[0063] S5. Grinding width: Use pneumatic grinding pen and hard rotary file to grind the groove and patch material. The width of the patch...
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