Development of rotational to linear actuator

Dilol, Bartholomew (2020) Development of rotational to linear actuator. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

Linear and rotary actuators are used in many commercial and industrial processes from aircraft to automotive, and even in semiconductor manufacturing. The common mechanical device that converts rotary to linear actuator is a ball screw mechanism. This research, however, does not focuses on their complex design, but rather on the simplest representation of a rotational to linear actuator concept. Here, a prototype of a DC-driven rolling disk is proposed in this research. Using this innovation, it will allow the most simplified design to demonstrate their conversion of rotary to linear motion. By this mean, our main purpose of the study is to design a rotary-linear actuator based on the rolling disk principle of a roller bender, will be achieved. Developments of linear actuators using conventional DC motor are cited in literature review of this research. Later in research methodology, there are four main aspects to be consider, such as, the study of rotary-linear actuator based on fundamentals of roller bender using Arduino Uno, the analysis and design of controlling a DC motor using L298N motor driver, the analysis of limit switch towards the range and continuous linear motion, and the final hardware product using Solidworks simulation. In addition to the process flowchart, the research works must be carried out in a proper manner in order to avoid errors and to decrease the time taken for the research to finalized. Next, the experiment results will be tabulated and compared based on their analysis studies in the results and discussions section. In that section, analysis data of thrust or force will be observed and compared based on the power input and duty cycle of the DC motor. In order to identify the main purpose of this research, precautionary steps are also utmost important. Hence, this research study will focus on the development of a rotational to linear actuator.

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