Research Article

Dynamics Behavior Analysis of Parallel Mechanism with Joint Clearance and Flexible Links

Table 2

The parameters of 4-UPS-RPS parallel mechanism.

ParameterValue

Socket radius 0.0152 m
Clearance value0.0002 m
The length of swing rod0.760 m
The length of telescopic rod0.840116 m
The cross section radius of telescopic rod0.04 m
Integral tolerance0.000001 s
Integral step 0.001 s
The principal moment of inertia of the telescopic rod kg⋅m4
 kg⋅m4
 kg⋅m4
Ball radius 0.015 m
Recovery coefficient 0.9
Friction coefficient 0.05
Young’ modulus , , 200 Gpa
Shear elastic modulus 80 Gpa
Poisson’s ratio , 0.29
The mass of moving platform36.28 kg
The moment of inertia of the moving platform kg⋅m2
 kg⋅m2
 kg⋅m2