Design and Optimization of Electric Motor Driven Mechanical Oil Press
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Date
2013-11
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Addis Ababa University
Abstract
There are different types of oil press machine developed previously which are used to squeeze
oil from different types of an oil seed. In this Research work one type of oil press, manually
operated oil press, is improved into electric motor driven mechanical oil press with rack and
pinion gear system as a main mechanical part of the machine. This improvement is used to solve
the cost problem, reduce work time, and streamline the existing machine to be more efficient and
productive.
The main procedures to comply this improvement are design of parts of the machine to get
optimized dimensions of the parts and setting the controlling mechanism. In this procedure main
parts of the machine are designed to find their dimensions and to select appropriate material and
also its stress analysis is performed using finite element analysis software to find stress
concentration area and its maximum stress value and then to compare with values obtained in the
design analysis. The other part and power source of the machine is an electric motor, in this
thesis it is also dealt with selection of motor type including its specification for safe and
appropriate operation. The controlling mechanism of the motor using microcontroller for
automatic operation of the motor is selected and assembly language has been written since the
motor is bi-directional or it rotates clockwise and anti-clockwise, which is used to move the ram
up and down. After completing the design obtained results and selected materials are safe to
squeeze edible oil.
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Mechanical Design Stream