ABSTRACT
This project (construction of a simple size reduction machine) it was constructed locally with the use of local materials and tools in I. M. T. mechanical engineering workshop. The various parts of the equipment were constructed separately using mild steel before finally coupled.
During the construction, the conveyors and its housing where first constructed. It consists of a shaft with helical rod wound round it. The paper was measured out and welded from a mild steel sheet of length of 320mm by 60mm with a thickness of 1 mm and it has the following dimension:
Height of hopper- 160mm
Upper part of the hopper – 140mm diameter
Lower part of the hopper – 100mm diameter
The conveyor was fixed into its housing and welded to the shaft. The grinding chamber was 0welded separately and coupled to the grinding discs. The pressure screw fabricated was welded to the hopper. The U channel was joined to the base stand by welding and existing setup the bearing pulley and the manual handle were all coupled.
It was filled to smoothen the sharp edge and finally painted for corrosion resistance.
After the construction work test run was carried out using the grains of wet maize and dried maize. The result shows a greater efficiency in using wet maize.
TABLE OF CONTENTS
CHAPTER ONE
1.0 INTRODUCTION
1.1 BACKGROUND OF THE STUDY
1.2 STATEMENT OF THE PROBLEM
1.3 PURPOSE/AIM/OBJECTIVES OF THE STUDY
1.4 SCOPE AND LIMITATION OF THE STUDY
1.5 METHOD OF RESEARCH
1.6 SIGNIFICANCE OF THE STUDY
CHAPTER TWO
2.0 LITERATURE REVIEW
2.1 HISTORY OF CONSTRUCTION AND USES OF SIZE REDUCTION EQUIPMENT/MACHINE
2.2 THEORY OF OPERATION OF SIZE REDUCTION
2.3 FACTOR THAT AFFECT T HE EFFICIENCY OF SIZE REDUCTION MACHINE
2.4 TYPES OF SIZE REDUCTION EQUIPMENT
2.5 CRUSHES
2.6 APPLICATION OF REDUCTION EQUIPMENT LIKE FRUIT JUICE CRUSHER/EXTRACTOR
2.6 FACTORS AFFECTING JUICE CRUSHING EXTRACTOR/MACHINE
CHAPTER THREE
3.0 CONSTRUCTION METHODOLOGY
3.1 SELECTION OF MATERIAL FOR CONSTRUCTION
3.2 CONSTRUCTION PROCEDURE
3.21 MAKING OUT OPERATORS
3.22 EQUIPMENT USED FOR MAKING OUT
3.3 CUTTING OPERATORS
3.4 PRESS SIZE REQUIREMENT FOR CUTTING
3.5 PUNCHING/DRILLING OPERATION
3.6 WELDING JOINING OPERATION
3.7 ARC WELDING
3.72 ELECTRODES USED IN WELDING
3.73 SPECIFICATION OF WELDING ELECTRODES
3.8 SEQUENCE OF OPERATION
3.81 THE ROTATING SHAFT AND CONVEYOR HOUSING
3.82 HOPPER
3.83 SQUEEZE CHAMBER
3.84 PLATE GAP AND ADJUSTMENT SCREW
3.85 STANDING
3.86 DRIVEN PULLEY/PRIME MOVER
3.86 SURFACE FINISHING AND COATING
3.87 SAFETY OF THE OPERATION
3.91 PRECAUTIONS
CHAPTER FOUR
4.0 TESTING OF JUICE EXTRACTOR
4.1 PERFORMANCE EVALUATION
4.2 RESULTS
CHAPTER FIVE
5.1 DISCUSSION
5.2 CONCLUSION
5.3 RECOMMENDATION
REFERENCES
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