CHAPTER ONE
INTRODUCTION
1.1 Background Of Study – – – – – – – 1
1.2 Objective Of Study – – – – – – – 4
1.3 Problem Statement – – – – – – – 4
1.4 Significant Of Study – – – – – – – 5
1.5 Scope Of Study – – – – – – – – 6
1.6 Limitation Of Study – – – – – – – 6
CHAPTER TWO
2.0 Literature Review – – – – – – – 7
2.1 Wooden Cabinet – – – – – – – – 9
2.2 Metal Cabinet – – – – – – – – 13
2.3 Description of Modern Steel Cabinet – – – – 15
2.4 Types Of Steel – – – – – – – – 15
2.4.1 Low Carbon Steels (Mild Steel) – – – – – 16
2.4.2 Medium Carbon Steel – – – – – – 17
2.4.3 High Carbon Steel – – – – – – – 17
2.4.4 Classification Of Steel – – – – – – 17
2.4.5 Carbon And Carbon Manganese – – – – – 18
2.4.6 High Strength Low-Alloy Steel (HSLA) – – – – 19
2.4.7 Engineering Quenched & Temper Steel – – – – 19
2.4.8 Tool Steel – – – – – – – – – 20
2.5 Transformation Of Stainless Steel – – – – – 21
2.5.1 Stainless Steel – – – – – – – – 22
2.5.2 Ferritic Stainless Steel – – – – – – – 24
2.5.3 Austenitic Stainless Steel – – – – – – 25
2.6 Heat Treatment Of Steel – – – – – – 25
2.6.1 Hardening – – – – – – – – – 25
2.6.2 Tempering – – – – – – – – 26
2.6.3 Annealing – – – – – – – – – 26
2.6.4 Normalizing – – – – – – – – 26
2.7 Properties Of Steel – – – – – – – 26
2.7.1 Toughness – – – – – – – – 27
2.7.2 Chemical Resistance – – – – – – – 28
2.7.3 Stability – – – – – – – – – 29
2.7.4 Ductility – – – – – – – – – 29
2.7.5 Malleability – – – – – – – – 30
2.8 Advantages Of Steel – – – – – – – 30
2.9 Steel Production – – – – – – – – 31
CHAPTER THREE
3.0 Construction Procedure – – – – – – 32-39
ABSTRACT
Office cabinet usually come in set of three, and are designed to fit one into another for convenient storage. Furniture of this soot should be of the highest quality, attractive in design and capable of standing up to many years in use. The object is to produce stability with a high proportion of the cabinet’s weight gathered near the base and narrower lines at the level of the tabletop.
Firstly the two identical side sections are built, these are the fitted with two crosspieces at the top and one at the bottom. Next, the table and chairs surface ground work is cut from plywood which fits into groves cut in all four top rails. Finally the top surface is made up of the wooden block to tiles arranged in a pattern and fitted into the recess between the plywood and the tops of the table and chairs.The cabinet frame is assembled with mortise and tern joints. The plywood groundwork is fitted to the frame using housing joints. A good quality wood should be used to bring about the best result , such as afromosia or Burmese teaks, but these hardwoods can be expensive. As an alternative, agba or Brazilian mahogany can be used. Old oak or mahogany maybe salvaged from discarded furniture such as old solid wardrobes and bed boards. This can be an excellent source of cheap tough quality wood but one has to be persistent in one’s search, schools sometimes get ride of old oak desks and classroom fittings and woods for construction can be chosen from there.
CHAPTER ONE
1.1 BACKGROUND OF STUDY
Construction of office cabinet is meant to suit the office in which the demand is made. The materials of construction should be a strong one since it is a product of wood. It means that strong wood like mahogany or afromasia should be used for the construction to ensure long lasting of the items being made.
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