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APLIKASI METODE ELEMEN HINGGA PADA PERANCANGAN POROS BELAKANG GOKAR LISTRIK Henra Heny Sigarlaki; Stenly Tangkuman; Tritya A R Arungpadang
JURNAL POROS TEKNIK MESIN UNSRAT Vol. 4 No. 2 (2015): Jurnal Poros Teknik Mesin Unsrat
Publisher : Fakultas Teknik Jurusan Teknik Mesin Universitas Sam Ratulangi

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Abstract

ABSTRACT                Today, Society needs a vehicle a simple , inexpensive and environmentally friendly. One alternative option is an electric gokart. In the electric gokart are a rear axle which serves to move the power and spin that comes from the electric motor to the rear wheels so as to allow an electric go-karts can run. The aim of this study as follows : First, create a simulation of the finite element method with SolidWorks software to get the voltage and the maximum deflection caused by the load . Second, making calculations manually finite element method to validate the simulation results with SolidWorks software. Third , get the dimensions of the shaft for electric gokart designed by the Department of Mechanical Engineering University of Samratulangi Manado.                Finite element method simulations with SolidWorks software has gained maximum voltage results 120,212x106 Pa., and the maximum deflection of 0.00051 mm. While the manual calculation values ​​obtained displacement / maximum displacement is 0.00045 mm. Besides the results also indicate that the maximum displacement occurs at the same location or point. Thus , the simulation results have been validated by using the results of manual calculations. The dimensions of the design is the diameter of the shaft 20 mm and a length of 1000 mm.   Key word: Gokart, Finite Element Method, Simulation.
ANALISIS SIFAT MEKANIK ALAT PENGUPAS KELAPA PRODUKSI INDUSTRI KECIL PANDAI BESI DI MINAHASA Alexander Rano Sampelobo Pareang; Tritya A R Arungpadang; Romels C A Lumintang
JURNAL POROS TEKNIK MESIN UNSRAT Vol. 4 No. 2 (2015): Jurnal Poros Teknik Mesin Unsrat
Publisher : Fakultas Teknik Jurusan Teknik Mesin Universitas Sam Ratulangi

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Abstract

ABSTRACT This research aim to determine the hardness number, the absorb energy and the price of coconut peeler material impact and to analyze the differences of mechanical properties of coconut peeler production from several blacksmith craftsmen in Minahasa. Basic material of coconut peeler is spring steel car. The coconut peeler is the result of three blacksmith craftmen centers in Minahasa. From the test result of the hardness specimen without treatment, the highest hardness value is 711.3774369 HVN while with the specimens of hardness test with treatments which the value for Wulauan is 259.1432198 HVN, for Parepei is 315.2173625 HVN , for Tombasian is 262, 1731511 HVN. As for the impact testing, specimen with treatment Wulauan 19.89 J energy absorption and impact the price of 1,321 J / mm², which is the energy absorption and impact the price of the highest compared with the treatment of test specimens in Parepei who holds 15.94 J energy absorption and impact prices 1,063 J / mm², and in Tombasian which has energy absorption and the price impact of 4.45 j 0.297 J / mm², as well as the untreated specimens that have absorption energy of 6.42 J and impact the price of 0.642 J / mm². . Keywords: Coconut Peeler, Hardness Number, Absorption Energy, Impact Price.