Analyses on Engineering Mechanics of Robotic Arm for Sorting Multi-Materials

Analyses on Engineering Mechanics of Robotic Arm for Sorting Multi-Materials

Zol Bahri Razali (Universiti Malaysia Perlis, Malaysia), Mohamed Mydin M. Abdul Kader (Universiti Malaysia Perlis, Malaysia), Mohd Hisam Daud (Universiti Malaysia Perlis, Malaysia) and Khor Wen Hwooi Stephen (Universiti Malaysia Perlis, Malaysia)
DOI: 10.4018/978-1-7998-0137-5.ch008


The study involves static analysis on the developed robotic arm. Increasing loads are applied to the robotic arm to determine the maximum load that it can hold. Firstly, the robotic arm model is created using CATIA. Then, it is analyzed using the generative structural analysis tool in the same software. Increasing loads are applied to the end of the robotic arm until significant deformation occurs. The same procedure is done for modified designs in the analysis software. The results considered include displacement and stress. Based on the results, the critical stress areas are near to the rotating joints of the robotic arm, the back of the gripper and the sharp edge of the second arm. Proposed modifications include increasing the servo motor shaft radius and edge filleting the affected area, increasing the thickness and reducing the length of the gripper base plate, and implementing a new design for the second arm.
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Industrial Problem To Be Solved Through This Project

Actually, sorting of parts in the production line has to be fast and consistent. There are certain tedious operations that can be done by a pick and place robot to save time and money in hiring operators. However, the design of the robotics system should extremely take care of the fundamental of engineering mechanics, therefore the design of the robotics arm can provide optimum service without faults and failures.

Therefore, among the objectives of this study are to analyze the developed robotic mechanism related to mechanical concepts in static conditions, to conduct static analysis on the overall robotic arm, gripper and the second arm, and to investigate design parameters for improvement.

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