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采用真空钎焊的方法对WP7系列发动机涡轮导向器叶片盖板进行了修复,介绍了修复过程及工艺。修复后的叶片经目视及荧光检验未发现表面裂纹,该修复工艺已成功用于WP7系列发动机涡轮导向器叶片盖板的批量修复,年修复量约1000件。
The method of vacuum brazing was used to repair the turbine guide vane cover of WP7 series engine. The repair process and process were introduced. The repaired blade has no surface crack detected by visual inspection and fluorescence test. The repairing process has been successfully used for the batch repair of WP7 series engine turbine guide blade cover, with an annual repair capacity of about 1000 pieces.