THE DESIGN AND FABRICATION OF A CORN SHELLING MACHINE

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ABSTRACT

This Machine is design and fabricate as a prerequisite for the award of a Higher National Diploma.

We sketch different designs which after consideration of many factors like the machine efficiency, the cost of materials e.t.c before we finally embark on this machine.The machine major component are the shaft, the inner barrel, the outer barrel, the conveyor, the tray etc.The machine is build with very strong and well selected materials which enhances the performance of the machine. The machine efficiency is above 80% but less than 100%. The output of the machine is above average so it satisfies the purpose of which it is design.

LIST OF ILLUSTRATION

(1)Introduction.

(2)Literature Review.

(3)Material Selection.

(4)The Shelling Unit.

(5)The construction and Design method.

TABLE OF CONTENT

COVER PAGE

RELEASE PAGE

LETTER OF TRANSMITTAL

SIGNATURE PAGE

APPROVAL PAGE

DEDICATION

ACKNOWLEDGMENT

ABSTRACT

LIST OF ILLUSTRATION

TABLE OF CONTENT

CHAPTER ONE

INTRODUCTION

CHAPTER TWO

LITERATURE REVIEW

2.1Hand Shelling Method

2.2Direct Linkage Method and its Limitation

2.3Refined Design Method and its Specification

CHAPTER THREE

SHELLING UNIT AND DESIGN CALCULATION

3.1The Frame

3.2Spinning Shaft Design

3.3Shaft Analysis

3.4Belt Drive

CHAPTER FOUR

MATERIAL SELECTION

4.1Materials Selection and Design Of Shaft

4.2Selection and Location Of Bearing

4.3Electric Motor Selection

4.4Selection of Pulley Material

CHAPTER FIVE

CONSTRUCTION AND DESIGN METHOD

5.1The Shaft

5.2Metal Tray

5.3Shelling Unit

5.4Outlet

5.5Barrel

5.6The Perforated Metal Sheet

5.7Sequence Of Assembly

5.8Operation Of Corn Shelling Machine

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THE DESIGN AND FABRICATION OF A CORN SHELLING MACHINE

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