FABRICATION OF METAL STORAGE RACK
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This is to certify that the research work, "fabrication of metal storage rack" by ---, Reg. No. --/H2007/01430 submitted in partial fulfillment of the requirement award of a Higher National Diploma on --- has been approved.
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This project is dedicated to Almighty God for his protection, kindness, strength over my life throughout the period and also to my --- for his financial support and moral care towards me.Also to my mentor --- for her academic advice she often gives to me. May Almighty God shield them from the peril of this world and bless their entire endeavour Amen.
ACKNOWLEDGEMENT
The successful completion of this project work could not have been a reality without the encouragement of my --- and other people. My immensely appreciation goes to my humble and able supervisor mr. --- for his kindness in supervising this project.
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The main aim of the project is to fabricate a metal storage rack. Racksystems for Rack storage are important industrial structures by number and commercial value, yetthey have been considered only recently in studies aiming at defining practical design rules fortheir safe use. These structures are always composed of metal elements. The fabrication of rackstructuresconstitutes,indeed,animportantapplicationofcold-formedsteelproducts.Theneedfor continuously loading and unloading the shelves in service has induced designers to avoidbracing elementsinthe longitudinaldirectionof the racks.Thereforeinmany cases,lateralstability in this direction is ensured only by the connections between beam and column and by theconstraint offered by the base of the columns. The main requirements for a finite element (FE) model of storagerack frames is to have the flexibility to represent the complex cross-section geometries of themembers, and the ability to assign semi-rigid behavior to joints and to take into account the effectof local, distortion and flexural-torsional buckling in determining the ultimate capacity of thestructureand optimization.
Keywords: Rack;finiteelement,metal storagerackcolumn,lateralstability.
TABLE OF CONTENTS
COVER PAGE
TITLE PAGE
APPROVAL PAGE
DEDICATION
ACKNOWELDGEMENT
ABSTRACT
CHAPTER ONE
1.0 INTRODUCTION
1.1 BACKGROUND OF THE PROJECT
- PROBLEM STATEMENT
- AIM AND OBJECTIVES OF THE PROJECT
- SCOPE OF THE PROJECT
- SIGNIFICANCE OF THE PROJECT
- LIMITATION OF THE PROJECT
- PROJECT ORGANISATION
CHAPTER TWO
LITERATURE REVIEW
- REVIEW OF THE STUDY
- CORROSION IN METALLIC RACKS
- TYPES OF CORROSION ATTACKS ASSOCIATED WITH METALS RACKS
- PROTECTIVE COATINGS OF METALS RACKS AGAINST CORROSION
- REVIEW OF RELATED STUDIES
- MAINTENANCE OF RACK
- SAFETY PRECAUTIONS
CHAPTER THREE
3.0 CONSTRUCTION METHODOLOGY
3.1 MATERIALS
3.2 PROJECT METHODOLOGY
CHAPTER FOUR
RESULTS AND DISCUSSION
- THERACKCOLUMN
- DESIGNPROCEDURES
- DESIGNOFSTEELELEMENTSANDMEMBERS
- BEAMSCALCULATIONS
- INTRODUCTIONTO ANSYS
- DISCUSSIONS
- COST ANALYSIS
CHAPTER FIVE
- CONCLUSION
- RECOMMENDATION
- REFERENCES
CHAPTER ONE
1.0 INTRODUCTION
1.1 BACKGROUND OF THE STUDY
A rack is a metal storage device that is usually made of a durable material.Racks, much like shelves have a wide array of shapes and sizes. Racks are of great use for storage and industrial purposes and are finding their place in the industrial world. Mentioned below are the different types of racks that are used in a wide variety of environments and situations (Abdel-Rahman et al., 2017).
Metal racks are one of the most common forms of racks found in the market today. These racks are durable, convenient and safe. They are perfect for heavy duty items owing to their solid build and durable coating.
Worldwide, metal or steel storage racks are used extensively in industry for storing goods on pallets. Theyare heavily loaded and resist significant forces; yet are designed to be as light as possible. Steel storage rack makes it possible for the user to easily have access to the stored steel.
Steelsections of this workhavebecomeusualinmanykindsofstructures,andconsequently much research has been done to understand their behavior and to develop designprocedures. Among these structures, there are the storage systems, usually called racks, widelyused throughout the world for storing materials in distribution companies(Abdel-Rahman et al., 2017). These systems providehigh storage density, allowing the storage of a great amount of products in reduced areas, due totheir vertical character. Besides, they also allow great Accessibility to the stored materials. Manycompaniesareusingthesesystems to storetheir product in largescale.
1.2 PROBLEM STATEMENT
When metals make contact with liquid (water) it exposes such metal to rust. Rust alters the appearance of metal components. Rust replaces the sleek look of metal with a rougher, irregular surface. Rust also discolors the surface of metal objects. Rusted metal acquires a reddish or orange color. To overcome such problems a metal storage rack is fabricated. Thus, the development of this a metal storage rack provides better arrangement at the metal by store it at on place.
1.3 AIM AND OBJECTIVES OF THE PROJECT
The main aim of this project is to design and fabricate a metal storage rack that is capable of containing different standard sizes of metal at minimum paces.
The objectives of this project are:
- To design metal storage rack that is suite to its application especially for loading metal (steel).
- To fabricate and introduce the new concepts and ideas for future prospect of metal storage rack.
- To protect steels from lost and rust
1.4SIGNIFICANCE OF THE PROJECT
The construction of metal storage rack is easy in that it doesn’t involve much design during welding. Moreover, metal storage rack does not require a lot of maintenance, and can be easily kept clean and tidy. Even repairing a metal storage rack is much simple.
1.5 LIMITATION OF THE PROJECT
Metal storage rack is known for being tough and heavy. Because of how tough it is, you can often use less, partially negating the weight. It can be a little harder to work with. It is more costly than other types of storage rack.
1.6 SCOPE OF THE PROJECT
In this work, valuable data are searched and gathered. Considering the shape of the a metal storage rack in terms of its complexity and method to produce.
Sketching and designing using Solid work software in creating the design of the a metal storage rack. Fabricate and produce the a metal storage rack by using all necessary manufacturing process such as welding, bending, punching, grinding, measuring, marking and painting.
CHAPTER FIVE
5.0 CONCLUSION AND RECOMMENDATION
5.1 CONCLUSION
Hence weconcludedthat,
- Steelstoragerackcolumnsaregivengoodresultsandtotakemoreload.
- Steelstoragerackswithflangewarpingcolumnsaremoremomentresistantandtotaldeformationform this typeof columns isveryless comparedto other typesof columns.
- FlangewarpingColumnsare20%extraSeismicresistantformtheothertypeofSteelstoragerack columns.
5.2 RECOMMENDATION
In order to keep the rack in good condition it is recommended that frequent inspection be carried out. Experiencedpersonnelshouldvisuallyinspectheavilyusedracksdaily.Allconnectionsmustbeinspectedtoensurethatboltsand otherstructuralpieces arenot loose or damaged.
DamagedRacks
Ninety percent of rack damage occurs between the floor and the firsthorizontal beam. Repairs will vary by rack system.
Conditionsthat contribute to rack damage:
- overloadingby placing too much material on the rack
- usingminimumratherthanrecommendedmaterialhandlingequipmentclearances
- personplacing load on the rack is inexperienced
- Useof certain types of material handling equipment.
DamageIdentificationandClassification
Rackdamageshouldbeidentifiedandclassifiedasseverestructuraldamageor moderate damage.
- Severestructuraldamage–referstopartsthatarebuckledorseverelybent andmust be replaced.
moderate damage – refers to columns that are dented, slightly skewed,etc.Theymayberepairedbyaddingbracesorsplicesstrongenoughtocarry the intendedload. Ifapartoftherackisdeterminedunsafe,thepartmustbeclearlyidentifiedbymarking or tagging.
Anyloadsintheareaoftheunsafepartmustbeimmediatelyremovedfromtherack and not reloaded until repairs are complete.
CHAPTER TWO: The chapter one of this work has been displayed above. The complete chapter two of "fabrication of metal storage rack" is also available. Order full work to download. Chapter two of "fabrication of metal storage rack" consists of the literature review. In this chapter all the related work on "fabrication of metal storage rack" was reviewed.
CHAPTER THREE: The complete chapter three of "fabrication of metal storage rack" is available. Order full work to download. Chapter three of "fabrication of metal storage rack" consists of the methodology. In this chapter all the method used in carrying out this work was discussed.
CHAPTER FOUR: The complete chapter four of "fabrication of metal storage rack" is available. Order full work to download. Chapter four of "fabrication of metal storage rack" consists of all the test conducted during the work and the result gotten after the whole work
CHAPTER FIVE: The complete chapter five of "fabrication of metal storage rack" is available. Order full work to download. Chapter five of "fabrication of metal storage rack" consist of conclusion, recommendation and references.
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