CONSTRUCTION OF A MOTORIZED RICE THRESHING MACHINE

By

ONUNZE CHINELO GEORGENIA

Presented To

Department of Agricultural And Bio-Environmental Engineering

24 Pages 2,320 Words 4,447 Views Microsoft Word Format No. of Chapters: 1 to 5 Chapters

ABSTRACT

This machine is constructed as a pre-requisite for the national Diploma (ND). We sketch deferent designs which after consideration of many factors, like the machine efficiency, cost of materials etc before we finally embark on this machine. The machine major components are the shaft, inner barrel, out barrel, the conveyor, the hoper, the electric motor and the metal tray etc. the machine is build with a very strong and well selected materials which enhances the performance of the machine. The machine efficiency is above 70% but less than 100%. The output of the machine is above average so it satisfied the purpose of which it is constructed.

TABLE OF CONTENTS

Title page     -    -    -    -    -    -    -    -    -    -    i
Approval page     -    -    -    -    -    -    -    -    -    ii
Dedication     -    -    -    -    -    -    --        -    iii
Acknowledgements    -    -    -    -    -    -    -    -    iv
List of table    -    -    --    -    -    -    -    -    -    v
List of figures     -    -    -    -    -    -    -    -    -    vi
Abstract     -        -    -    -    -    -    -    -    --    vii
Table of contents    -    -    -    -    -    -    -    -    ix

CHAPTER ONE
1.0    Introduction     --    -    -    -    -    -    -    -    1
1.1    Background of the study     -    -    -    -    -    -    1
1.2    Objective of the study    -    -    -    -    -    -    2
1.3    Justification of the study    -    -    -    -    -    -    2

CHAPTER TWO
2.0    Literature review     -    -    -    -    -    -    -    6
2.1    Description of Rice threshing Machine     -    -    -    6
2.2    Rice threshing activities in Nigeria     -    -    -    -    8

CHAPTER THREE
3.0    Construction technology     --    -    -    -    -    -    11
3.1    Materials     -    -    -    -    -    -    -    -    -    11
3.2    Procedure    --    -    --    -    -    -    --    -    --    11
3.3    Power supply     -    -    --    -    -    -    -    -    12
3.4    Maintenance    -    -    -    -    -    -    -    -    12
3.5    Portability and space     -    -    -    -    -    -    13
3.6    Materials selection     -    -    -    -    -    -    -    15
3.7    Selection of electric motor     -    -    -    -    -    17

CHAPTER FOUR
4.0    Testing of rice threshing -    -    -    -    --    -    -    20
4.1    Performance evaluation -    -    -    -    -    -    -    20
4.2    Efficiency of the machine     -    -    -    -    -    -    20

CHAPTER FIVE
5.0    Conclusion and recommendation     -    -    --    -    22
5.1    Conclusion -    -    -    -    --    -    -    -    -    22
5.2    Recommendation     -    --    -    -    -    --    -    22
    References     --    -    -    -    --    -    -    -    24

LIST OF TABLES
Table 3.1:    Shows cost analysis    -    -    -    -    -    -    13

LIST OF FIGURES
Fig 2.1:    Shows the outer barrel of the pulley.    -    -    10
Fig. 3.2:    outer barrel of pulley -    -    -    -    -    18
Fig. 3.16:    Shows inner barrel of pulley     -    -    -    18
Fig. 3.3:    Shows metal tray     -    -    --    -    -    19

24 Pages 2,320 Words 4,447 Views Microsoft Word Format No. of Chapters: 1 to 5 Chapters

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