DESIGN AND FABRICATION OF BASIC STATIC AND DYNAMIC BALANCING MACHINE
By
TONGBE CLETUS O. ME/H2003/054
Presented To
Department of Mechanical Engineering
ABSTRACT
This work is an attempt to evolve a means for statically and dynamical balancing of mechanical components. This will no doubt evolve greater success in ensuring sound fabrication of our local machine and ensuring that life span of such machine is prolonged since vibration will be reduced to the bearest minimum.
Every wheel and its shaft have to be in a state of balanced, two mating shaft in rotation have to be in a state of static and dynamic balance. This is because unbalance condition produce centrifugal force which increase as the speed of the machine increase, causing damage to machine parts.
To achieve the aim of static and dynamic balancing, various design alternatives for achieving the design solution were synthesized and a choice of economic method which will satisfy the objective was made. Based on the principle guiding the performance of the machine, the dimension and size of the various components was were established and correctly selected and the basic static and dynamic apparatus was fabricated and after testing it was found to satisfy the objective.
TABLE OF CONTENTS
Title Page
Approval Page
Dedication
Acknowledgement
Abstract
Table of Contents
CHAPTER ONE
1.0 Introduction
1.1 Objective
1.2 Scope of the Project
CHAPTER TWO
2.0 Literature Review
2.1 What is Balancing
2.2 Type of Unbalance
2.2.1 Static Unbalance
2.2.2 Couple Unbalance
2.2.3 Dynamic Unbalance
2.3 Balancing Equipments
CHAPTER THREE
3.0 Specification of Problem/Synthesis of Solution and Theory of Design
3.1 Background Information/Objective
3.2 Definition
3.3 Condition of Use
3.4 Characteristics
3.5 Performance
3.6 Reliability
3.7 Synthesis of Solution
3.8 Theory of Design
3.8.1 Machine Element and Forces
3.8.2 Balancing of Rotating Masses
3.8.3 Out of balance masses in a common transverse Plane
3.8.4 Out of Balance Masses in Different Transverse Plane
CHAPTER FOUR
4.0 Design Calculation of Basic Static and Dynamic Balance Machine
4.1 Approximate Weight of the Balancing Weight
4.2 Force Analysis on Shaft
4.3 Shear Force (SF) Calculation
4.4 Bending Moment Calculation
4.5 Shaft Design
4.6 Motor Belt Analysis
4.7 Bearing Selection
CHAPTER FIVE
5.0 Fabrication Procedure/Material Selection/Principle of Operation and Cost Analysis
5.1 Assembly Process
5.2 Material Selection
5.3 Principle of Operation
5.4 Cost Analysis
5.5 Conclusion and Recommendation
Appendix
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