Research Article

Condition-Based Monitoring on High-Precision Gearbox for Robotic Applications

Table 4

Bearings’ variables.

Variables

Number of rolling elements (z)
Diameter of rolling element (dre)
Pitch diameter (dp)
Contact angle (α)
Inner ring rotational velocity (fin)
Outer ring rotational velocity (fout)
Inner ring defect repetition frequency (fird)
Outer ring defect repetition frequency (ford)
Rolling element defect repetition frequency (Fred)