Category Archives: Mechanical Engineering Project Materials Sample

Mechanical Engineering Project Materials Sample

FABRICATION OF A METALLIC BOOKSHELF

FABRICATION OF A METALLIC BOOKSHELF

CHAPTER ONE

  • Introduction
  • Description of the bookshelf

 

CHAPTER TWO

  • Mode of Operation
  • Material selection

 

CHAPTER THREE

  • Fabrication
  • Fabrication Analysis
  • Capacity of The Bookshelf
  • Fabrication Experiment
  • Construction
  • Sequence of Operation

 

CHAPTER FOUR

  • Cost of Analysis

 

CHAPTER FIVE

  • Conclusion
  • Recommendation

Reference

 

 


ABSTRACT

Knowledge could only be obtained successively by the use of books for research. This can be achieved only by preserving books already purchased. As a result we fabricate a metallic shelf made up of metallic sheet; precisely mild steel sheets. The mild steel used for the fabrication of the shelf is 1.5mm (16gauge) mild steel.

The shelf is made up of 3 partitions. In fabricating the metallic shelf several process where involved. We plundered on the material to be used that can hold the number of the books i.e. the strength of the material.

Thereafter accurate measurements of the mild sheets were made we also considered the rigidity of the metallic shelf. This led us to using square pipes for the support of the shelf. The square pipes were also measured to give the dimensions use.

The already cut square pipes were used form the frame by welding it together. Then the already measured and cut mild sheets were also welded to the frame. The doors are made up of the square pipes and wire gauze welded together. The shelf was also painted to give good outlook after smoothening and filling. Rollers were also fixed beneath to enhance good and easy movement of the shelf due to its weight.


CHAPTER ONE

 

  • INTRODUCTION

A bookshelf is an invention with partitions where books and files are packed in offices, libraries and even homes.

A bookshelf can be made of wooden material or even glass materials. They could be dismountable and undismountable. In our own case we decided to fabricate an undismountable metallic bookshelf. Certain advantages were considered before embarking on the construction of the undismountable metallic bookshelf. An undismountable metallic bookshelf of built wire metals have a longer life span and will serve its purpose. Also loss of parts many dismountable bookshelves led us into considering one with the parts intact. Therefore we decided to construct the undismountable type.

This type of bookshelf is fabricated although with metals. The metal used is the mild steel. Squares were also used for the framework being welded together. The importance of the skeletal framework is for it to withstand stress that will be created by the load on the material.

In fabrication, the frame was first erected before making the sides and the partitions with the mild steel material. The mass and volume of the books to be contained by the partitions were considered before they were erected.

 

  • DESCRIPTION OF THE BOOKSHELF

The description of the bookshelf is as shown in fig. 1 it is made up of the following parts.

  1. The sides
  2. The back
  3. The partitions
  4. The framework
  5. The front.
  6. The Side

The sides to the bookshelf are as shown in the drawing. It is made up of the square pipe frame and the mild steel. Material welded to it. Each side is specially designed to act as the support in carrying the load under any stress the load displays on the system. The sides are bent at 900 to each other, giving the system a more rigid framework.

The side measures 1219.2mm by 457.2mm and 15gauge. They welded to the partitions at an angle 900 to each either. This creates a more flat and straight partitions.

  1. The Back

The back of the bookcase is shown in the figure provided. It is made of the same metallic mild steel used for the sides. It is welded to the square pipe fame and the sides at an angle of 900. Its measurement is 1219.2mm by 914.4mm.

Since the back serves as a cover sort of to the system, a metallic sheet with a higher thickness is choose so as to withstand rust, corrosion intensity and the weight of the system. That was why we choose the materials that is 16 gauge mild steel (1.5mm).

  1. The Partitions

The bookshelf was fabricated to have 3 partitions. The partitions showed according to the figure measuring 863.6mm breath, 355.6mm height and 427.2mm deal. The partition has equal dimensions (given above). The material used for the partitions is 1.5mm(16 gauge) mild steel material, and the square pipes for the frame. This is so because each partition is fabricated to carry a load of about 85kg. The partition is welded to the square pipe bar frame.

  1. The Frame

The frame is the skeleton of the whole system. It is made of 25.4mm (1-inch) square pipe. This frame was first extracted together by welding before the sheets for the sides, back and partitions were attached to it.

The frame was fabricated to withstand the stress that will be exerted on it by both the sheets and the load. The tensile stress the will be exerted on the frame was also considered.

The volume of partition is;

863.6mm x 457.2mm x 355.6mm

= 140404364.4mm

The Area of the partition = 355.6mm x 457.2mm

=       162580.32mm2

 

 

  1. The Front

The front is made up of the cover, which was fabricated to enable safety of the books kept in it. It is made up of square pipes of 25.4mm (1-inch) and wire gauge welded to it. The width is 381mm by 330.mm from in to in. The outside of the frame i.e. square pipe to the other is 431.8mm.

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CONSTRUCTION OF A POTABLE ELECTRIC OPERATED WITH RADIO CONTROL (WIRELESS REMOTE) MOTOR VEHICLE FOR LONG DANZA BUS

CONSTRUCTION OF A POTABLE ELECTRIC OPERATED WITH RADIO CONTROL (WIRELESS REMOTE) MOTOR VEHICLE FOR LONG DANZA BUS

ABSTRACT

 

Construction of a potable electric operated motor vehicle for long Volvo Bus. In this project involves the knowledge of mechanical engineering workshop technology and engineering material science and strength.

This was exactly what we were taught. We contracted the electric car with the actual dimension of long Volvo bus(Ml-) got from the catalogue and we enlarged the scale by 1: 8mm. aluminum cord was used in the construction of the vehicle body because of its light weight and it is paraded with marking sole, which absorbs  heat entering from outside into the vehicle due to excess heat or sum on the aluminum. In the construction of electric car, he step are as follows:

  1. The fabrication drawing, taking in consideration the various diversion of the component that make up the electric car and the type of materials to be used.
  2. The construction of the material was carried out in the workshop with the help of the working tools and finally assembling the components.

CHAPTER ONE         

Introduction                                                                                      1

CHAPTER TWO

Literature Review                                                                             3

CHAPTER THREE                       

Material selection                                                                              5

Safety glass                                                                             6

Ignition component                                                                 6

Direction indication                                                                 7

Aluminum sheets                                                                     7

CHAPTER FOUR

Deception of electrical components                                         9

The electric motor                                                                             9

The battery                                                                                       10

How the battery works                                                            10

Types of battery                                                                      11

The radio control                                                                     11

CHAPTER FIVE

Types                                                                                                12

The function of the type                                                          14

The wheels                                                                              15

Types of wheels for cars                                                                   15

Centre look wine wheel                                                           15

The gear box                                                                           16

Maintenance                                                                            16

CHAPTER SIX

Operations                                                                              17

Cost evaluation                                                                       19

CHAPTER SEVEN

Conclusion                                                                              22

Recommendation                                                                     22

Reference                                                                                 23

 


CHAPTER ONE

 

INTRODUCTION

The purpose of this project is to help the reader to under standard FEW thing about electric car. Those specialist who have slayer long in electric vehicle design recognize this alternative type of transportation as a challenge to commanding importance to contemporary mankind.

The construction of electric car could achiever the speed and acceleration of those of internal combustion engine.

If being build in small qualities. Electric car be constructed of corrosion proof material to provide a far long life.

They do not have the universality of the gasoline powered vehicle. It should be recharged after a shoot period of time or after a trip. It should also have its charging cord connected to the outlet convenient for it and the battery rejuvenated(charged) for the vehicle’s next excursion.

This procedure will minimize the daily effective range, which in a9hour period can now approach 81mites of urban during.

This figure comes into perspective, when it is realized that 50% of the gas line powered car in over sea travel less than 28 miles per day and that 54% of the trips are under 5 miles.

Such usage is already efficiently attained by a good electric car.

In a developing and growing countries here are more effective electric car and fabricating batteries with greater energy storage per unit of weight.

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First Bank:
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Account Name: 3059320631

Foreign Transaction For Dollars Payment :
Bank Name: GTBank
Branch Location: Enugu State,Nigeria.
Account Name: Chi E-Concept Int’l
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Swift Code: GTBINGLA 
Dollar conversion rate for Naira is 175 per dollar. 

ATM CARD:  YOU CAN ALSO MAKE PAYMENT USING YOUR ATM CARD OR ONLINE TRANSFER. PLEASE CONTACT YOUR BANK SECURITY FOR GUIDE ON HOW TO TRANSFER MONEY TO OTHER BANKS USING YOUR ATM CARD. ATM CARD OR ONLINE BANK TRANSFER IS FASTER FOR QUICK DELIVERY TO YOUR EMAIL . OUR MARKETER WILL RESPOND TO YOU ANY TIME OF THE DAY. WE SUPPORT CBN CASHLESS SOCIETY. 

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DESIGN AND FABRICATION OF AN ELECTRIC STOVE / OVEN

DESIGN AND FABRICATION OF AN ELECTRIC STOVE / OVEN

ABSTRACT

In this project (3) alternative design solutions were considered for the locally made electric run. The authors utilize the available local raw demerits of each alternative with respect to the considered group were discussed and the solutions of the alternative that best satisfied the limitations was selected for production. Material selection, design and cost of analysis, production processes and operation maintenance and problems encountered during the design were also included.

CHAPTER ONE

INTRODUCTION

The importance of preserving meat, fish and bread baking has been over emphasized. And also it has been a problem to mankind on how or the means of cooking food, which will be faster and easier.

It was the acknowledgement of this simple fact that led to the design of stove and oven, which will be operated by an electricity. All existing stove with oven have almost the same frame work and virtually the same component parts.  They differ only in their medium of drying. This is because most dryers use gas as a heating medium, others use electric heating element, while others employ the use of solar energy. This now brings about three alternatives to be discussed in this project. This design in particular is an electric operated stove / oven.

The design work is based on the authors experience gains during a four months industrial attachment period done after the first year of the national Diploma course in this department. It is also based on his knowledge of strength of material heat, transfer, thermodynamics, workshop technology, fluid mechanics, engineering measurement and engineering drawing gained during our two years of study in this institution.

These dryers/stove are widely used for the cooking, drying and preservation of meat, grains fish and cake/bread baking for domestic, agricultural, industrial and commercial purposes. The local means of drying and preserving agricultural products including bread and cake baking is not enough to achieve the above purpose. Some limitations exist in the already existing models, of this machine.

LIMITATIONS OF THE ALREADY EXISTING MODELS OF THE MACHINE

  1. Some of these machines are usually manual operated machine and also small in size thereby defeating the aim of inventing them, which chiefly to encourage mass production.
  2. Most of the raw material used for fabricating these machines are imported, as a result of this, the price of the machines are usually high and to have replaceable parts using various fastening and assembly device for joining components. It should also use components whose manufacturing processes are less complex so that users can easily replace damaged parts.
  3. The machine has limited number of existing ones in the market because the designers for economic reasons and perhaps profits maginalization like the selling price. This causes unavailability of the machine to the common man.

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MAKE YOUR PAYMENT  INTO ANY OF THE FOLLOWING BANKS:
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Account Name : Chi E-Concept Int’l
ACCOUNT NUMBER:  0115939447
First Bank:
Account Name: Chi E-Concept Int’l
Account Name: 3059320631

Foreign Transaction For Dollars Payment :
Bank Name: GTBank
Branch Location: Enugu State,Nigeria.
Account Name: Chi E-Concept Int’l
 Account Number:  0117780667. 
Swift Code: GTBINGLA 
Dollar conversion rate for Naira is 175 per dollar. 

ATM CARD:  YOU CAN ALSO MAKE PAYMENT USING YOUR ATM CARD OR ONLINE TRANSFER. PLEASE CONTACT YOUR BANK SECURITY FOR GUIDE ON HOW TO TRANSFER MONEY TO OTHER BANKS USING YOUR ATM CARD. ATM CARD OR ONLINE BANK TRANSFER IS FASTER FOR QUICK DELIVERY TO YOUR EMAIL . OUR MARKETER WILL RESPOND TO YOU ANY TIME OF THE DAY. WE SUPPORT CBN CASHLESS SOCIETY. 

OR
PAY ONLINE USING YOUR ATM CARD. IT IS SECURED AND RELIABLE.

Enter Amount

form>DELIVERY PERIOD FOR BANK PAYMENT IS  LESS THAN 24 HOURS

CALL OUR  CUSTOMERS CARE  OKEKE CHIDI C ON :  08074466939,08063386834.

AFTER PAYMENT SEND YOUR PAYMENT DETAILS TO

08074466939 or 08063386834, YOUR PROJECT TITLE  YOU WANT US TO SEND TO YOU, AMOUNT PAID, DEPOSITOR NAME, UR EMAIL ADDRESS,PAYMENT DATE. YOU WILL RECEIVE YOUR MATERIAL IN LESS THAN 2 HOURS ONCE WILL CONFIRM YOUR PAYMENT.

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THE DESIGN AND FABRICATION OF A IRON SHELLING MACHINE

THE DESIGN AND FABRICATION OF A IRON SHELLING MACHINE

ABSTRACT.

A machine for corn Sheller is highly and greatly need for consistence of usage of corn in local and international levels.

With regards to this indispensable need, a corn-shelling machine is designed which operates to remove the corn grains and leaving the cobs intact.

In attainment to this design objective and aims, a proper considerations was given to the machinability factor which includes, installation, simplication, durability, choice material operational efficiently serviceability of the masculine low costing and prolonged life span when operates with utilization with minimal down fine

The design details are given includes such items as materials and their characteristics. Adaptation methodology the parts relation with the whole device and the effect of the finished product upon which an inqiusit mined can make collection of fact in future which related to this project.

LIST OF ILLUSTRATION

  1. Introduction
  2. Literature Review
  3. Material selection
  4. the shelling llnit

LIST OF SYMBOLS

SYMBOLS                                                                    UNITS

N – Factor of safety                                                       Kilogram

M –Mass                                                                        Kilogram

Dia – Diameter                                                               Meters.

M – Bending Moment                                                    Meters

T – Torque                                                                     Newton meter

V – Velocity                                                                  Newton – second

T – Time                                                                        Seconds

I – Moment of inertial                                                    Kilogram (meter)

  1. – Acceleration due to grarity Newton (meter)

G – Modulus of rigidity                                                           Newton (meter)

P – Pressine                                                                             Newton (meter)

  1. – Power Kilowatts

F – Force                                                                       Newton’s

H – Height                                                                     Meter

Rpm – Revolution per minute

R – Radius                                                                     Meter

V – Volume                                                                             Meter

Wt – Weight                                                                  Newton’s

D – Density                                                                             Kilogram – mater

Pc – Critical Load                                                          Newton

L – Length                                                                     Meter

W – Width                                                                     Meter

S – bending stress                                                                   Newton

Y – Tensional strell                                                       Newton /meter

CHAPTER ONE

Introduction                                                                                                1

  • Purpose of construction 2
  • Importance and specification of the project 3

CHAPTER TWO

Literature Review                                                                              9

  • Hand shelling method 10
  • Direct linkages and its limitation 10
  • Refined Design and its specification 12

CHAPTER THREE              

Material Selection                                                                             18

  • Material selection and Design of shaft 21
  • Selection and location of Bearing 22
  • Electric Motor Selection 24
  • Selection Of Pulley Material 25

CHAPTER FOUR                

The Shelling Unit                                                                              26

  • The frame 27
  • The spinning shaft 28
  • Belt Drive 33

CHAPTER FIVE

Construction and Design Method                                                     38

  • Metal Hopper 38
  • The shelling Unit 39
  • Outlet 39
  • Barrel 39
  • Perforated metal 40
  • Sequence of Assembly 40

 

 

 

 


CHAPTER ONE

 

INTRODUCTION

We have participated indeed in mass shelling of corn using the most primitive. Cumbersome and difficult method of hand shelling, which encourages time consuming, and human stressfulness. Corn otherwise known as “Oka” in Igbo tribe is mostly used seed across all the tribe in country today. It is widely used in homes, hotels and schools for eating and seeding process (when dried). It is therefore hardly to see any Nigerian who has not tested it in one way or the other.

Now, since it is very imperative for dieting inclusively, it can be refined to form varieties of food supplementary diet such as making of Akamu (pap), semuviter corn powder, corn mill etc.

Today, in our industrial sectors such as ceramics and biscuit industry, it is widely used for making of biscuit, flouring for baking of bread, and corn Mill. Infect to summers all these, junked food that are baked in supermarket today are mostly involves corn in making them.

 

In the light of this as technology advances forward, on introduction of this machine (Sheller) made manifest and come into existence which is more stressless, easy to operate, low costing and time reduction with high degree of production volume and efficiency modifications have also been made it possible to be manually and electro – mechanical operated types depending on the choice of design and the speed of shaft required

Today, with the aid of this, it has created availability of corn Sheller (steeling machine) even in the market which indeed removed our difficulties and impossibilities when using and engaging with the modern method of design.

 

  • PURPOSE OF CONSTRUCTION

This project is meant to achieve the following purpose

  • To design and fabricate corn sheller which easy to operate with high degree of efficiency
  • To design and fabricate a machine (corn Sheller) that would save time and cost, with high degree of production volume.
  • To design and construct a corn Sheller that would not have much breaking effect of grains, leaving the cob’s intact during the process.
  • To design and constrict a corn Sheller that is economical and have little or no complication in maintenance
  • To design and construct a corn Sheller with high percentage at local technology
  • To design and construct a machine that is cost effective and manual stress reduction

 

  • IMPORTANCE AND SPECIFICATION OF THE PROJECT

The importance attached to this design is the facilitation and the production of voluminous corn Sheller without much time and without recounting much breakage of the grains of the corn in shortest possible time

The specification was obtained considering the items or component used and the hopper and barrel dimensions put into consideration as well.

 

The sign parameter for corn Sheller machine are.

 

  • BARREL
  1. Outer barrel – The barred do not rotates with the shaft rather stands on itself inside the shelling chambers. It is a half of cylindrical shaped perforated below to enable shelled corn to rush out to the conveyor to the outlet or basin. It is weld and tight at the endwise of the structure; they are flanges at end for the location of the bearings for the shaft. At the lower end of one is an open segments serving as outlet for the cobs and a hood is built covering it.

 

Entrance

Below is a complete drawing of the outer barch as show.

Out barrel with role below.
Spike

Fig 1

Outer for cobs
Vanes

 

  1. Inner barrel – This cylindrical Barrel rotates with the shaft support by end-to-end bearings. The diameter of the shaft is ……………… mm and for the inner barrels diameter is 60…mm having 20 numbers of spikes measuring…mm from the barrel surface and also wounded varies that does the shelling process.

 

Diameter of inner barrel is …mm and its length is…mm and consequently the diameter of the shaft…mm and having a length of ….mm.

Below in the diagram of the inner barrel

 

 

 

 

 

 

 

 

Fig 2

 

HOPPER

 

This is similar to a port the different is that it is bigger and covered like the port. It is either trapezoid or rectangular in shape, each shape chose have its advantage and disadvantage. It has an entry through which the corn caters the shelling chamber and the inner engulfing the shaft. It is obtained after cutting a mild steel and welded it with guage 12 electrode and it is dimension as.. 260 x 250 mm x 260 mm.

The diagram is as follows

 

 

 

 

 

 

 

Fig 3

 

 

  • RECEPTACLE

This is the outer funnel that collect the shelled corn from the conveyor to the outside

 

  • SPIKES

This is the rod attached to the surface of inner barrel, which does the shelling process with the inner barrel and spring vanes. It is to 20 in number and measured …mm vertically up from the barrels surface each.

 

  • COB OUTLET.

This is an exit via which cobs goes out of the barrel after shelling process.

 

  • CONVEYOR

This is a carrier that carrys the cobs out of the barrel after shelling process

 

  • DISCHARGES CHAMBER

These are the holes perforated below the outer barrel through which the shelled grain corn falls put to the conveyor.

  • COLLECTION / OUTLET BASIN

This is curved mild steel welded below the perforated outer barrel inclined to enable the falling out of the shelled corn to the receptacle.

 

  • `INLET

This is the particular place in the hopper through which the corn enters the shelling unit/chamber for shelling process it is measured as mm length mm width.

 

  • SPINNING VANES

This is made up flat tiny metal welded round the inner barrel together with the spikes it is the part of the machine where the corn are been shelled.

It is also placed and horizontally wound the inner barrel and should be capable of withstanding impact from the corn and possesses good chemical resistance, high working temperature (100%) and tensile strength.

Dimensionally, it is measured…. mm from the surface of the inner barrel wound horisontally.

The construction and Design methods

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COMPLETE MATERIAL  COST  N2,500 Or $10.  FRESH  PROJECT MATERIAL  COST 50,000 NAIRA FOR UNDERGRADUATE, OTHERS 100,000 -200,000 NAIRA.

MAKE YOUR PAYMENT  INTO ANY OF THE FOLLOWING BANKS:
GTBANK
Account Name : Chi E-Concept Int’l
ACCOUNT NUMBER:  0115939447
First Bank:
Account Name: Chi E-Concept Int’l
Account Name: 3059320631

Foreign Transaction For Dollars Payment :
Bank Name: GTBank
Branch Location: Enugu State,Nigeria.
Account Name: Chi E-Concept Int’l
 Account Number:  0117780667. 
Swift Code: GTBINGLA 
Dollar conversion rate for Naira is 175 per dollar. 

ATM CARD:  YOU CAN ALSO MAKE PAYMENT USING YOUR ATM CARD OR ONLINE TRANSFER. PLEASE CONTACT YOUR BANK SECURITY FOR GUIDE ON HOW TO TRANSFER MONEY TO OTHER BANKS USING YOUR ATM CARD. ATM CARD OR ONLINE BANK TRANSFER IS FASTER FOR QUICK DELIVERY TO YOUR EMAIL . OUR MARKETER WILL RESPOND TO YOU ANY TIME OF THE DAY. WE SUPPORT CBN CASHLESS SOCIETY. 

OR
PAY ONLINE USING YOUR ATM CARD. IT IS SECURED AND RELIABLE.

Enter Amount

form>DELIVERY PERIOD FOR BANK PAYMENT IS  LESS THAN 24 HOURS

CALL OUR  CUSTOMERS CARE  OKEKE CHIDI C ON :  08074466939,08063386834.

AFTER PAYMENT SEND YOUR PAYMENT DETAILS TO

08074466939 or 08063386834, YOUR PROJECT TITLE  YOU WANT US TO SEND TO YOU, AMOUNT PAID, DEPOSITOR NAME, UR EMAIL ADDRESS,PAYMENT DATE. YOU WILL RECEIVE YOUR MATERIAL IN LESS THAN 2 HOURS ONCE WILL CONFIRM YOUR PAYMENT.

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DESIGN AND FABRICATION OF BASIC STATIC AND DYNAMIC BALANCING MACHINE

DESIGN AND FABRICATION OF BASIC STATIC AND DYNAMIC BALANCING MACHINE

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.

CHAPTER ONE

1.0     Introduction

  • Objective
  • Scope of the Project

 

CHAPTER TWO

2.0     Literature Review

  • What is Balancing
  • Type of Unbalance
    • Static Unbalance
    • Couple Unbalance
    • Dynamic Unbalance
  • Balancing Equipments

 

CHAPTER THREE

3.0     Specification of Problem/Synthesis of Solution and Theory of Design

  • Background Information/Objective
  • Definition
  • Condition of Use
  • Characteristics
  • Performance
  • Reliability
  • Synthesis of Solution
  • Theory of Design
    • Machine Element and Forces
    • Balancing of  Rotating Masses
    • Out of balance masses in a common transverse Plane
    • Out of Balance Masses in Different Transverse Plane

 

CHAPTER FOUR

4.0     Design Calculation of Basic Static and Dynamic Balance Machine

  • Approximate Weight of the Balancing Weight
  • Force Analysis on Shaft
  • Shear Force (SF) Calculation
  • Bending Moment Calculation
  • Shaft Design
  • Motor Belt Analysis
  • Bearing Selection

 

CHAPTER FIVE

5.0     Fabrication Procedure/Material Selection/Principle of Operation and Cost Analysis

  • Assembly Process
  • Material Selection
  • Principle of Operation
  • Cost Analysis
  • Conclusion and Recommendation

Appendix

CHAPTER ONE

 

1.0     INTRODUCTION

Power transmission in engineering is accomplished by the use of shafts bearings, pulleys, belts, rollers, gears, couplings, etc. Most machine members are linked or interconnected with one another before this power transmission can be effective.

Misalignment or out of balance of shafts or any of these machine members results in excessive viberation which is transmitted to other members and down to the foundation bolt and therefore in—– fatigue stress on the members. Fatigue, probably, is responsible for over 70% of failure of engineering component in operation. Misalignment in shafts and bearing causes excessive load. High speed bearing of aircrafts  that may operate at over 20,000 rpm may become catastrophic if there be any unbalance of the members. Out of balance of machine members creates serious problems on the functionality and durability and machine members and on the machine in general.

It is therefore, with the understanding of he sensitivity of balancing in the design of mechanical components and the need to put balancing into consideration in the fabrication of our local machines, the view to determine the level of out of balance and the subsequent balancing of these machine members that necessitated the idea of designing and constructing a Basic Static and Dynamic Balancing Apparatus of this nature.

 

1.1     OBJECTIVES

The objective of this project is to design, construct and test a basic static and dynamic balancing apparatus as one of the ways to prevent premature failure of engineering components due to fatigue loading.

 

1.2     SCOPE OF THE PROJECT

The basic and dynamic balancing machine covers the fundamental exploits of knowledge to design and construct and static  and dynamic balance for any mechanical member since each machine components has its own balance depending on its bulkiness. The basic principle of construction lies on the one chained in our construction. This construction gives illumination for the construction of production and maintenance balance. It also serves as a means of demonstrating static and dynamic balancing in laboratories of higher learning.

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