Click the right mouse button on the constraint bearing component to choose Properties of constraint bearing. The user can modify the property of a constraint bearing in following dialog box.
Figure 1 Constraint Bearing property page
• Type: Spherical Joint, Cylindrical Joint and Revolute Joint Type.
The user can refer the following table for each constraint bearing.
Table 1 Constraint bearing characteristics
• Please refer to the Friction types in below.
① Select Friction Coefficient in the combo box
Figure 2 Coulomb Friction
o Journal Radius: shaft radius attached bearing inside
② Click More and enter the values to define Coulomb Friction
Figure 3 Friction Definition dialog box
Figure 4 Standard Friction
① Select Empirical Formula in the combo box.
Figure 5 Empirical formula Friction
Figure 6 Journal Radius & Radial Clearance
② Click More and enter the values to define Empirical formula friction
Figure 7 Empirical Formula Friction dialog box
• Friction Torque
Figure 8 Parameters for SOMMERFELD number
* Each Lubrication region is decided by SOMMERFELD number
Figure 9 Friction Coefficient vs SOMMERFELD number
• Friction Force
Figure 10 Parameters for Dimensionless Duty Parameter
* Each Lubrication region is decided by Dimensionless Duty Parameter
Figure 11 Friction Coefficient vs Dimensionless Duty parameter