### SIMULASI KINEMATIKA MEKANISME LENGAN BACKHOE EXCAVATOR

#### Abstract

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* **In the modern era as now required a fast and efficient calculation method which is usually done by simulation method. The software used in this simulation is SolidWorks 2016. SolidWorks is a parasolid based solid modeling, and uses a parametric-based approach to modeling and assembly. Parameters refer to restrictions that are valuable to determine shape or geometry of the model.*

* Based on this in this research will be kinematics simulation, where the result of simulation covering the whole workspace on excavator arm. The object research is a Backhoe Excavator arm mechanism of Hitachi ZX-type ZX-200. The purpose of this study was to determine velocity, tangential acceleration, and normal acceleration in excavator arm mechanism.*

* The maximum velocity of boom bar is 2948.82 mm/s which occurs when the boom angle is at 16.64° (t = 3.83s) or at the minimum angle of the workspace. The boom velocity simulation results have also been validated by hand calculation, maximum tangential acceleration is 2430.12 mm/s ^{2}, and the maximum normal acceleration is 3705.11 mm/s^{2}. The maximum velocity of arm shaft is 1778.06 mm/s which occurs when the angle of arm rod is at 140.86°, maximum tangential acceleration is 4594.03 mm/s^{2}, and the maximum normal acceleration is 6665.24 mm/s^{2}. The maximum velocity of bucket rod is 473.61 mm/s, maximum tangential acceleration is 90.09 mm/s^{2}, and maximum normal acceleration is 297.89 mm/s^{2}.*

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*Keywords:**Kinematic Analysis, Arm Excavator, Hitachi ZX-200.*

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