All bearing results are measured in the bearing reference marker which is fixed to outer ring. This marker is based on the reference marker used for creation of the bearing element.
Figure 132 Ball bearing reference marker
Following kinematic results represent relative motion of inner ring wrt. outer ring. Bearing force (torque) represents a force (torque) applied by bearing element on the shaft part.
There are following result categories with groups of result sets and underlying requests components available:
Displacement (result category)
■Bearing_Displacement (result set)
♦Trans_Disp_X,Y,Z - translational displacement vector
♦Ang_Disp_X,Y,Z - angular displacement
Velocity (result category)
■Bearing_Velocity (result set)
♦Trans_Acc_X,Y,Z - translational acceleration vector
♦Ang_Vel_X,Y,Z - angular velocity
Acceleration (result category)
■Bearing_Acceleration (result set)
♦Trans_Acc_X,Y,Z - translational acceleration vector
♦Ang_Acc_X,Y,Z - angular acceleration
■Bearing_Acceleration_block_sensor (result set)
♦Acc_X,Y,Z_bore - translational acceleration vector of bearing bore on block part relative to ground
♦Acc_X,Y,Z_spring - translational acceleration vector of spring seat on block part relative to ground
Fitting OR (result category)
■Bearing Floating Ring (result set)
♦Damping_Force - resulting force magnitude due to viscous damping in axial direction
♦Axial_Squeeze_Velocity - magnitude of squeeze velocity (compression/separation) in axial direction
♦Power_Loss_Damping_Axial - power dissipated due to viscous damping in axial direction
♦Friction_Force - friction force exerted by outer ring on block part
♦Friction_Coeff_wo_smooth - actual coefficient of friction without smoothing
♦Sliding_Velocity_sign - SIGN(Axial_Sliding_Velocity) smoothed by STEP5 function
♦Friction_Coeff_with_smooth - actual coefficient of friction with smoothing
♦Axial_Sliding_Velocity - sliding velocity of block part relative to outer ring
♦Power_Loss_Friction_Axial - friction power loss; P_frict = |Friction_Force| * |Axial_Sliding_Velocity|
■Bearing Axial Spring (result set)
♦Spring_Length - length of axial spring in operation point
♦Spring_Deformation - deformation of axial spring in operation point
♦Spring_Force - spring force exerted between block part and outer ring of bearing
■Bearing Fitting Results (result set)
♦Penetration - penetration of outer ring into housing
♦Gap - gap between outer ring and housing
♦Squeeze_Velocity - magnitude of squeeze velocity (compression/separation)
♦Fx, Fy, Fz - resulting force vector components in bearing reference marker
♦F_stiff - resulting force magnitude due to material stiffness in radial direction
♦F_damp_viscous - resulting force magnitude due to viscous damping in radial direction
♦F_damp_structural - resulting force magnitude due to structural damping in radial direction
♦Dissipated_power_structural - power dissipated due to structural damping
♦Dissipated_power_total - sum of dissipated power
♦Squeeze_velocity_Sign - denotes direction of squeeze velocity (compression/separation)
♦Contact_Stiff - actual Contact Stiffness
♦Disp_X,Y,Z - Displacement vector of outer ring relative to housing bore
♦Ecc_Mag - Eccentricity magnitude of outer ring relative to housing bore
♦Ecc_Ang - Eccentricity angle of outer ring relative to housing bore
♦Vel_X,Y,Z - Velocity vector component of outer ring relative to housing bore
♦Vel_Mag - magnitude of radial velocity of outer ring relative to housing bore
♦Vel_Ang - angle of radial velocity vector of outer ring relative to housing bore
♦Acc_X,Y,Z - Acceleration vector of outer ring relative to housing bore
♦Acc_Mag - magnitude of radial acceleration vector of outer ring relative to housing bore
♦Acc_Ang - angle of radial acceleration vector of outer ring relative to housing bore
Forces (result category)
■Bearing_Forces (result set)
♦Radial_X, Y - radial components of total bearing force
♦Axial - axial component of total bearing force
♦Torque_Mag - magnitude of total bearing torque
♦Bending_X, Y - tilting component of total bearing torque
♦Torsion - axial component of total bearing torque
♦Radial_Mag - magnitude of total bearing force radial component
♦Radial_Ang_Pos - angle in XY plane of bearing force radial component
♦Bending_Mag - magnitude of total bearing torque tilting component
♦Bending_Ang_Pos - angle in XY plane of bearing torque tilting component
Rolling Elements ( 1 to num_ball ) (result category)
■Bearing_Rolling_Elements (result set)
♦Ball_Load - force acting in the center of ball due to penetration
♦Ball_Angular_Pos - angular position of rolling element in XY plane
♦Ball_Skewness_Angle - actual ball contact angle; angle ß (see
Figure 10)
♦Ball_Radial_Pos - distance of ball center from bearing rotational axis
♦Ball_Axial_Pos - distance of ball center from bearing XY plane
♦Ball_Damping_Force - damping force acting in the center of ball