ABSTRACT
The aim of the project is to construct a domestic grain grinding machine to be powered by electric motor through pulley and belt transmission.
The project is to perform mostly blending and grinding on grains e.g beans, maize, melon, millet and such other food crops.
In construction of the project, there are various factors that is being put into consideration.
i. The size specification
ii. The power of the electric motor to be used
iii. The domestic operation which can be performed by the machine.
iv. The capacity of the machine.
TABLE OF CONTENTS
Title page ii
Approval page iii
Certification iv
Dedication v
Acknowledgment vi
Abstract viii
Table of content ix
CHAPTER ONE
Introduction 1
1.1 Research problem 1
1.2 Justification of the study 2
1.3 Objectives of the study 3
1.4 Scope and limitation 3
CHAPTER TWO
Literature review 5
Existing grinding machine 7
CHAPTER THREE
Description of the machine 9
CHAPTER FOUR
Analysis and size specification 15
Calculation analysis 19
CHAPTER FIVE
Maintenance 25
Operation procedure 25
CHAPTER SIX
Conclusion 27
Recommendation for further work 28
Reference 30
LETTER OF TRANSMITTAL
Department of Mechanical Engineering
Institute of Management and Technology
IMT
Enugu
P.M.B. 1079
Head of Department
Department of Mechanical Engineering
Institute of Management and Technology
Enugu.
Sir,
SUBMISSION OF REPORT ON PROJECT (MEC 220)
Having completed the work on the project about which this report written under the supervision of Engr. Ukwueze B. E. We the undersigned take pleasure in the submission here with the said report for the considerations of the departmental board in accordance with the award rules and regulation of the National Board for Technical Education (BNTE).
Yours faithfully,
NJIMEZI STANLEY K. ME/N2002/031
AKPAN GODSWILL S. ME/N2002/066
UMEANAH ISIDOKE A. ME/N2002/068
OKON KUFRE N. ME/N2002/070
SIGNATURE PAGE
We the undersigned, have performed the project to which this report performed under the guidance, supervisor and support of the department of mechanical engineering, do hereby grant the said department of total access to the information, ideas and any discoveries herein contained for the furtherance of the reading, publication, research and development or other public functions to which the institute and the department are dedicated.
NJIMEZI STANLEY K. ---------------------------
AKPAN GODSWILL S. ---------------------------
UMEANAH ISIDOKE A. ---------------------------
OKON KUFRE N. ---------------------------
RELEASE PAGE
The undersigned being members of the academic staff of department of Mechanical Engineering and acting on behalf of the said department have examined and assessed the results of the project which is the subject of this report and having also read and understood the contents of the report hereby indicated by our signature individually and collectively that the project has been preformed and that the report subject to all such collection we have duly set the forth recommend that the project and be declared PASSED/FAILURE with grade of----------------.
CHAPTER ONE
INTRODUCTION
Every year, the final year student of this institution in Higher National Diploma (HND) and the National Diploma (ND) into practice.
This is aimed at justifying the emphasis lead on practical work during the course of study in the assigned to construct a grain-grinding machine by the machine committee of Mechanical Engineering Department, the Polytechnic, Enugu.
A grain grinding machine is an equipment used for grinding maize, beans, melon, millet and such other good crops. This equipment comprises essentially of an electric motor, belt, pulley, transmission shaft, hopper, mills, spiral conveyor and stands. These alleviate the rigours and problems house we encounter when grinding beans for the good stuff.
1.1 RESEARCH PROBLEMS
The project research problem are:
i. To construct a local fabricated grain grinding machine using available local technology.
ii. To construct a machine with a size specification.
iii. To construct a machine which can perform a domestic operations.
iv. To construct a machine which have adequate capacity, lighter in weight, lesser fatigue and portable.
1.2 JUSTIFICATION OF STUDY
i. This is to promote indigenous machine and their producers.
ii. To have a portable grain grinding machine constructed for domestic uses with a powered driven source.
iii. To improve the economic and the country as a whole by neglecting imported blenders i.e producing machine that is affordable to substitute the imported blenders.
iv. To be able to meet National Board for Technical Education (NBTE) requirement in awarding National Diploma (ND) in Mechanical Engineering.
1.3 OBJECTIVES OF THE STUDY
The objectives of the study are:-
i. To construct grain grinding machine with local materials.
ii. To construct a machine which is less in crop and domestic usage.
iii. To produce a grain grinding machine that is lesser in vibration, weight and in size.
1.4 SCOPE AND LIMITATION
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