Design And Simulation Of Cam Operated Iris Mechanism

Husain, Syahroni (2021) Design And Simulation Of Cam Operated Iris Mechanism. Project Report. UTeM, Melaka, Malaysia. (Submitted)

Text Design And Simulation Of Cam Operated Iris Mechanism.pdf Download (321kB)

Abstract

Iris mechanism have been applied in multiple field in the engineering scope of studies and manufacturing. The mechanism structure consists of an opening at the centre of its mechanism and combine with multiple part that will encase it structure together. The problem statements start with the demand to create a food making machine that can encrust or cut the dough which in turn will make a food called “kuih cucur badak”. The design and mechanism for this cutting process were dictated to have an iris mechanism. This project objective is to design and simulate the cam operated iris mechanism. The simulation of this structure also was executed to fully understand the stress or any loading that happened during the motion of the mechanism works. The first step of this project is to gain as much references and sources that can be obtain to grasp the idea and the basic principle of each mechanism. This established the basic flow for the methodological process to be performed by the researcher. The detail calculation for the crucial part such as the blade for iris mechanism, linkages and the cam profile were conducted to established the design sketch. The cam also used the Simple Harmonic Motion (SHM) for its motion schemes. The design process also was performed in this project to make sure the design keeps up with the basic flow of design processes. Modelling the design sketch are made after basic design have been made and the last step is to simulate the whole structure inside the Computer-Aided Design (CAD) software which is Solidwork. Motion study were used to simulate the mechanism movement and its stresses during those motion. Tabulated data were made to understand the stresses that occurs on the components. The result of this study is to create a fully functional mechanism which consist of iris mechanism, linkages and its cam-follower components. The result of the simulation is used and discussed heavily on how the stresses work based on the motion of the mechanism.

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