Auxiliary device for blue anodic corrosion of low-pressure turbine disc

Abstract

The invention discloses an auxiliary device for blue anodic corrosion of a low-pressure turbine disc. The auxiliary device comprises a fixture, the tail end of the fixture serves as a clamping end for fixedly clamping the turbine disc, the clamping end comprises a first clamping arm and a second clamping arm, the first clamping arm and the second clamping arm are provided with a first positioning bolt and a second positioning bolt which are used for transversely fixing the turbine disc respectively, and the tail end of the first clamping arm and the tail end of the second clamping arm are provided with a first fixing base and a second fixing base which are used for longitudinally fixing the turbine disc respectively; the auxiliary device further comprises bubble discharging pipes for discharging bubbles in a groove formed in the lower surface of the turbine disc, and the bubble suction ends of the bubble discharging pipes stretch into the bottom of the groove formed in the lower surface of the turbine disc. According to the auxiliary device, the turbine disc is effectively fixed through the positioning bolts arranged on the fixture and the fixing bases arranged at the bottom ends of the positioning bolts, and therefore the condition that when the low-pressure turbine disc is subjected to blue anodic corrosion, unexpected accidents occur due to the fact that the turbine disc swings back and forth due to stirring is avoided.

Description

technical field [0001] The invention belongs to the technical field of tooling design, and in particular relates to an auxiliary device for corrosion of a low-pressure turbine disc blue anode. Background technique [0002] When the low-pressure turbine disk is subjected to the blue anode corrosion process, it is required to quickly (generally within 30s) form a layer of uniform and defect-free blue film on the entire turbine disk surface. However, the current turbine disk is prone to shaking during the corrosion process. Air bubbles need to be discharged quickly on surfaces that are difficult to vent, resulting in poor corrosion quality of the blue anode of the turbine disk and prone to defects such as air pockets. Contents of the invention [0003] In order to solve the above problems, the present invention provides an auxiliary device for corrosion of the blue anode of the low-pressure turbine disk. It will swing back and forth and cause sudden accidents; the air in the...

AI Technical Summary

Problems solved by technology

[0002] When the low-pressure turbine disk is subjected to the blue anode corrosion process, it is required to quickly (generally within 30s) form a layer of uniform and defect-free blue film on the entire turbine disk surface. However, the current turbine disk is prone to shaking during the corrosion process. Difficult to exhaust surfaces need to quickly discharge the air bubbles, resulting in poor corrosion quality of the blue anode of the turbine disk, prone to air pockets and other defects

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