The purpose of this paper is to describe an independent study project required before graduation with a master of engineering degree in the department of mechanical engineering at Rochester Institute of Technology. The goal of this graduation project was to design and build a Pin-on-Disk Tribometer. The tribometer will be used by the department for future student research projects. This paper includes the details of the design process, such as adaptations from existing tribometers, all required calculations, and descriptions of the machining and assembly. New design concepts presented demonstrate simplicity of construction and use. The required calculations include shear and bending moments in the arm, bearing calculations, lead screw load analysis, counterweight balancing, torque calculations for selecting the correct motor, and strain calculations for determining the correct strain gage set-up. The paper details part selection, pricing, machining, and assembly. Mistakes and alternate design considerations are also discussed.

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