Which components may be damaged if the motor of the cycloidal pinwheel reducer rotates incorrectly

The motor rotation error of the cycloidal pinwheel reducer can cause irreversible damage to the internal precision transmission components and sealing system. Specifically, it will mainly cause damage to the following core components:

1. Core transmission components (cycloidal gear, needle teeth, eccentric sleeve)

Abnormal force and overload: The meshing transmission of the cycloidal pinwheel reducer has directionality. Turning errors can cause the contact stress direction between the cycloidal gear and the needle teeth to reverse and instantly exceed the design threshold (which may exceed 1.5-2 times the design value).

Component damage: This abnormal force can cause early pitting, peeling, and even direct fracture of the cycloidal gear tooth surface; Needle teeth (or needle tooth sleeves) will accelerate wear, deformation, and even fracture; Eccentric sleeves and arm bearings can also be damaged due to uneven force distribution.

2. Bearing system (arm bearings, output shaft bearings)

Lubrication failure and dry friction: Steering errors can disrupt the normal circulation path of internal lubricating oil, resulting in insufficient lubrication of bearing parts and producing dry or semi dry friction.

High temperature and wear: The bearing raceway will experience increased wear and fatigue peeling as a result. The accompanying local high temperature (which may sharply rise above 85 ℃ -90 ℃) can cause carbonization of lubricating oil, ultimately leading to bearing burnout or locking.

3. Sealing system (skeleton oil seal)

Structural failure: The sealing of the output shaft end of the reducer usually adopts a unidirectional anti reverse structure. When the motor rotates in reverse, the oil seal lip cannot effectively clamp the shaft surface, losing its sealing function.

Accelerated aging and oil leakage: Changing the direction of internal lubricating oil mixing can cause abnormal increase in oil pressure, coupled with high-temperature baking, which can cause rapid aging of the oil seal, lip tearing, and ultimately lead to sustained and severe oil leakage.

4. Output shaft

Mechanical damage: In severe reverse overload situations, the output shaft may undergo bending deformation or even be directly twisted and broken due to the enormous reverse torque it is subjected to.

5. External connections and fixed components

Damage caused by vibration: Incorrect steering can cause strong impact vibrations and metal whistling. This abnormal vibration will be transmitted to the outside, causing the coupling bolts to break due to reverse impact overload, and the anchor bolts to loosen or even break, thereby damaging the installation accuracy and stability of the entire equipment.