Mingyuan Three-Blade Roots Blower for Aquaculture Maintenance and Repair: In the operation of the aquaculture风机, if there is an unusual noise or the machine suddenly shuts down, it is crucial to seek professional repair services and avoid DIY disassembly. A detailed case study demonstrates this: Upon opening the gear box, a small iron piece was found inside, causing one of the gears to have its tooth edge worn out, creating an irregular, jagged flat surface. Analysis revealed that the two meshing gears were caught by the iron piece during high-speed operation, leading to the gear damage under the influence of significant rotational inertia force, which also triggered an overcurrent protection action from the variable frequency inverter, causing the machine to shut down. After the repairman flattened and smoothed the damaged gear's jagged edge, the blower quickly resumed production. From inspection to repair, the entire process took less than two and a half hours. Using this method to diagnose faults in large equipment like blowers is both convenient and time-saving. Mingyuan Three-Blade Roots Blower for Aquaculture Maintenance and Repair