Abstract
Bangka Island is one of the islands in Indonesia which has the potential of marine energy resources. One of the energies is ocean waves that can be used as an alternative to renewable energy in the design of mini power plants. The mechanic system flow that can be applied is sea wave drives float and then it drives a transmission element. Element transmission will rotate the generator that connected by a shaft. The element transmission that used in the plants is rack and pinion gear. This research conducted static analysis software using the von mises and safety factor method on rack and pinion gear. Based on research data, wave data at the headland of a bonded coast in Central Bangka Regency in January 2019 with a maximum wave height of 1,220 m and a minimum of 0.285 m. The force assessment that occurs on the buoy is based on the wave force with a maximum wave height of 287.19 N and the buoyancy force. From the highest height the maximum force obtained at the buoy is 689.54 N and vice versa the weight of the buoy mass. From the analysis using Autodesk Inventor software, it was found that the maximum stress that occurs in pinion gears is 53.14 MPa smaller than the yield strength material and the safety factor that occurs a minimum of 6.59 is greater than the safety factor allowed so that the rack and pinion gear can accept the force exerted by the waves.
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