Research Article

Dynamic Analysis of a Planar Hydraulic Rock-Breaker Mechanism with Multiple Clearance Joints

Table 3

Parameters of the hydraulic cylinders.

BodyBoomArmBreaker

Initial length (m)0.250.450.21
Mass of the rod (kg)29.726.120.7
Moment of inertia of the rod (kg·m2)2.912.631.36
Piston area of the forward chamber (mm2)950356755675
Piston area of the return chamber (mm2)618532993299
Initial volume of the forward chamber (L)2.3762.5541.192
Initial volume of the return chamber (L)4.022.1442.639