A: The rail module is a precision instrument, and it should be ensured that the module is not impacted by external forces and no dirt adheres to the rail module. 

Do not sprinkle resin on the screw rod or inside the motor, which may cause the motor to jam. 

If you spill resin on the screw rod or guide rail, please wipe it clean as soon as possible, and maintain the entire screw rod and guide rail part once.

Maintenance method: prepare a small amount of grease (guide screw grease, do not use edible oil), first wipe the grease of the screw and guide repeatedly, and then apply new grease, click on the screen ↑↓ 50, so that the grease can fully lubricate the screw rod and the guide rail.