Pulley System Design

Mohamad Nazeeb , Bolhassan (2006) Pulley System Design. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

A pulley system is design that can be controlled by a microcontroller (PIC). The cable of the pulley system can be positioned up and down with a few sensors to limit its maximum and minimum positions. In this new technology era, manpower is very important in all industries. Although it is important, it can cause problem to the industries especially in handling machine and discipline. Unfortunately for the companies, so much time and money are wasted due to the error, absent and less concentration from the employees. Thus, technologies improvement is important. By implementing the microcontroller replacing human can improve the accuracy, reducing the operating problem and saving more time and money for the industries. In this project, the pulley system consists of a design circuit with microcontroller, push-pull switch. De motor, gear, pulley, a few sensors, magnet and the body. A set of program code are programmed using MPLAB for the PIC which enable it to control the pulley system operation. A bidirectional De motor allows the pulley cable to be positioned up and down due to the maximum and minimum limit set by the sensors. The De motor will move right (clockwise) when the switch is on, simultaneously the cable of the pulley start to go down until it reaches the load. It will stop a moment before the De motor start to move left (anti-clockwise) causing the cable to move up again toward its minimum position. As a spin-off benefit, hopefully this project can be applied to improve the existing pulley system in the industries.

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