FABRICATION OF METAL SHELF


FABRICATION OF METAL SHELF 

ABSTRACT

Bookshelf, a Mechanical arrangement of materials were documents are stored, it could be made with metal or wood.  But this one is fabricated with metal.

The type of metal used in the fabrication is mild steel and square baluters.

The undismountable bookshelf which has five partitions and four compartment under went many process namely, the drawing and the dimensioning of the bookshelf, needed materials, the marking out and cutting of the materials, welding, smoothing and filling of the work, then finally painting.

Actually our dreams has come through in fabrication of metal shelf that will be economically and at the same time meet up with the needed standard despite the subsidized rate.

TABLE OF CONTENT

Title page

Letter of transmittal

Release

Approval page

Dedication

Acknowledgement

Abstract

Table of content

CHAPTER ONE

1.    Introduction

2.    Description of metal shelf

CHAPTER TWO

1.    Material selection

2.    Construction

3.    Workshop sequence of operation

CHAPTER THREE

1.    Material cost

2.    Machine cost

3.    Labour cost

4.    Reporting

CHAPTER FOUR

1.    Conclusion

2.    Recommendation

3.    Reference

CHAPTER ONE

1.    INTRODUCTION

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

A bookshelf can be wooden, metallic or even glassed.  They could also be dismountable metallic and indismountable.

In our project, we decide to design and fabricate an undismountable metallic bookshelf.  Certain factors were considered before embarking on this project.

An undismountable metallic bookshelf, have a longer life span and serves its purpose better than a wooden bookshelf.  Also lose of parts of many dismountable bookshelf held us into opting for the one with its pant in tact.

Nevertheless, the need for preservation of books to enhance researches and studies purpose has brought about the construction of bookshelves for offices, libraries and homes.  Thus, these protects the books from been easily destroyed by ants, rats, and from children.

And it also enhances systematic arrangement of books for easy reference of location.

In the fabrication, the frame first erected before making the sides and the partitions with the steel material.  The mass and volume of the books to be contained by the partitions were considered before they were erected; so certain experiments were carried out which will be further discussed in the report.

1.    DESCRIPTION OF THE METALLIC SHELF

This description of the metallic shelf is as shown in fig 1.  It is made up of the following pants.

I.    side

II.    back

III.    partition

IV.    frame work

V.    door

I.    SIDE

The side of the bookshelf are shown in fig 1a.  It is made up the square pipe frame and the mild steel plate material welded to it.  Each side is specially designed to act as support in carrying the load under any stress.  the load dispersed on the system.  The sides measures and tacted at an angle of 900 to each other giving the system a more rigid frame work.  The sides measures.

CHAPTER TWO

1.    MATERIAL SELECTION

A number of factors were considered before selecting the material for the design and fabrication of the project.

These factors include the economy, availability, durability, appearance and life span.  The physical and mechanical factors were the basic of this selections.

Mild steel was used for the sides, back and layers of the compartments.

The reason why this materials was used was because of its mechanability, good tensile strength, durability, toughness, malleability, ductility and availability in wide range of shapes and sizes.

Also square pipe was used for its frame work and support respectively due to its thickness and tensile strength which makes it able to withstand any stress that may be erected by the load.  The paint used on the project is metallic gray can paint, which has the property of resisting corrosion and a long life span  coupled with its attractive appearance.

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FABRICATION OF METAL SHELF



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