Development Of Low Pressure Water Hydraulic System

Nur Fathiah, Mohd Nor (2010) Development Of Low Pressure Water Hydraulic System. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

This thesis presents a study on development of low pressure water hydraulic system. This study mainly focuses on building a hydraulic power unit, design of control system, fabricate water hydraulic power unit and system and run testing procedures on the testing system. The purpose of this study is to test the performance of water hydraulic when low pressure is applied. Besides that other purpose of this study is to use Programmable Logic Controller (OMRON) as the control system for this low pressure water hydraulic system. Water hydraulic system is commonly used in industries years ago, but then water hydraulic is replaced with oil as pressure medium because of disadvantages of using water as pressure medium. This study is done to explore the limitations of using water hydraulic system and the solution to solve the occurred problems. A testing system was designed and simulated by using Programmable Logic Controller (OMRON) which is widely used in industries nowadays. From the simulation, the motion of cylinder is shown. This simulation can help reduces time in designing and assembling the testing system correctly. Several tests were done with the aid of the testing system for low pressure water hydraulic system. The same tests were also done on pneumatic system and hydraulic system for comparison in terms of performance. The performance of system was tested in terms of breakaway pressure, internal leakages, speed of stroke and output force. The results were recorded and analysed to verify the ability of low pressure water hydraulic system and to make comparison between pneumatic system and hydraulic system. As a result, low pressure water hydraulic system is applicable. However, improvements are needed to make sure the system is more suitable and efficient.

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