DESAIN STIRRING PADA PENGECORAN ALUMINIUM BERBASIS MEKANISME ARM

PANAYOKA, MOHAMMAD RAYHAN KHALISH and Gunawan, Gunawan (2024) DESAIN STIRRING PADA PENGECORAN ALUMINIUM BERBASIS MEKANISME ARM. Undergraduate thesis, Sriwijaya University.

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Abstract

Metal casting is one of the oldest manufacturing techniques and remains relevant to this day. Aluminum casting, in particular, is one of the most commonly encountered processes. Over time, aluminum casting has evolved, including the development of stir casting processes. While significant advancements have been made in improving cast product quality through stir casting, there is still limited discussion on the development of stirring equipment that is flexible, easy to operate, and portable. The main challenge in designing stirring equipment lies in the selection of materials and the structural support of the arm mechanism, which must operate effectively during the stirring process. In this study, three devices were considered for adoption into aluminum casting stirring equipment using the Pugh method: a monitor bracket, a tapping machine arm, and a radial drill. Finite Element Method (FEM) analysis was conducted using SolidWorks software. Based on the Pugh method, the tapping machine arm was selected as the arm mechanism to be adopted for the stirring design, using low-carbon steel as the material. FEM testing produced values for von Mises stress, yield strength, displacement, and the factor of safety (FOS) for six components of the stirring design. The lowest FOS value was found in the arm joint component, with an FOS of 1.9, a yield strength 6,204e+08 dengan von Mises tertinggi 3,200e+08. This indicates that the component is safe, as the maximum von Mises stress does not exceed the yield strength, and the FOS is above 1.2. Other components include clamp with FOS 2,5 and von Mises max 1,819e+08, upper arm 1 with FOS 3,2 and von Mises max 6,887e+08, upper arm 2 with FOS 6,3 and von Mises max 3,485e+08, lower arm with FOS 5,1e+02 and von Mises max 4,352e+05, and base joint with FOS 1,257e+09 and von Mises max 1,802e+03.

Item Type:	Thesis (Undergraduate)
Uncontrolled Keywords:	Aluminum casting, Stir casting, Arm mechanism
Subjects:	T Technology > TJ Mechanical engineering and machinery > TJ241-254.7 Machine construction (General) > TJ241.I59 Machine design--Congresses. Production engineering--Congresses
Divisions:	03-Faculty of Engineering > 21201-Mechanical Engineering (S1)
Depositing User:	Mohammad Rayhan Panayoka Khalish
Date Deposited:	13 Feb 2025 02:09
Last Modified:	13 Feb 2025 02:09
URI:	http://repository.unsri.ac.id/id/eprint/167563

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