In small motor systems, the fixing of gears is crucial, which directly affects the transmission efficiency and stability of the ac small gear motors. Here are some common methods for fixing small motor gears:
1. Fix with a pressure cap
This is a simple and effective fixing method. The specific steps include:
Prepare a metal cap with a hole whose hole diameter matches the shaft hole of the gear.
Press the metal cap on the gear to ensure that the gear is aligned with the motor shaft.
Use screws to fix the metal cap on the motor to keep the gear connected to the motor shaft.
2. Use a sleeve connection
The sleeve connection is suitable for motors with smaller shaft diameters. The operation steps are as follows:
Install a metal sleeve on the shaft hole of the gear, and the inner diameter of the sleeve should match the diameter of the motor shaft.
Use screws to fix the sleeve on the motor so that the gear is connected to the motor shaft through the sleeve.
3. Glue sticking
For smaller gears and motors, you can use a suitable glue (such as epoxy glue or equipment-specific glue) for fixing. The operation method is as follows:
Clean the surface of the gear and motor shaft to ensure that there are no impurities and oil stains.
Apply a proper amount of glue on the motor shaft, and then stick the gear to the motor shaft.
Wait for the glue to cure and ensure that the gear is firmly connected to the motor shaft.
4. Key connection
Key connection is a more secure and reliable fixing method, especially for occasions where large torque needs to be transmitted. The operation steps are as follows:
Make sure that the motor shaft is machined with a keyway, and the shaft hole of the gear should also have a corresponding keyway.
Insert the key into the keyway of the motor shaft and the gear, and ensure that the key and the keyway fit tightly.
Use screws or other fasteners to fix the gear to the motor to ensure the stability of the key connection.
5. Static fit
For very small motors and gears, such as toy motors, static fit is usually used for fixing. That is, the gear with a hole diameter slightly smaller than the motor shaft diameter is directly pressed onto the motor shaft, and the friction between the materials is used to maintain the connection.
Precautions
Before any fixing operation, be sure to ensure that the motor and gear are clean to avoid impurities and oil stains affecting the fixing effect.
Select the appropriate fixing method according to the specific model of the motor and the size of the gear.
Follow the installation instructions and technical information provided by the manufacturer to ensure the correctness and safety of the installation process.
After installation, conduct a comprehensive inspection and test to ensure that the connection between the gear and the motor shaft is firm and reliable, and the transmission effect is good.
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