Anna University Regulation 2013 Information Technology (IT) GE6161 EP LAB Manual for all experiments is provided below. Download link for IT 1st SEM GE6161 Engineering Practices Laboratory Manual is listed down for students to make perfect utilization and score maximum marks with our study materials.
Anna University Regulation 2013 Information Technology (IT) 1st SEM GE6161 EP LAB-Engineering Practices Laboratory Manual
CARPENTRY
INTRODUCTION
Carpentry may be defined as the process of making wooden articles and components such as doors, windows, Furniture etc. Carpentry involves cutting, shaping and fastening wood and other materials together to produce a finished product. Preparation of joints is one of the important operations in wood work.
Joinery denotes connecting the wooden parts using different points such as lap joints, mortise and tenan joints, bridle joints, etc.
TIMBER
Timber is the material used for carpentry. It is the name given to the wood obtained from well grown trees called exogenous trees. Timber is made suitable for engineering purposes by sawing into various sizes.
ADVANTAGES OF TIMBER
x It is easily available
x It is lighter and stronger to use
x It responds well for polishing and painting
x Suitable for sound proof construction
x It is easy to work with tools
x It is very economic
Classification of Timber
1. SOFT WOOD
x It is obtained from trees having long needle shaped leaves
x It is light in weight
x It is easy to work
x It is relatively less durable
x It has good tensile resistance and poor shear resistance
x It has straight fibers and fine texture
x It is widely used for construction
2. HARD WOOD
x It is obtained from trees having broad leaves
x It is heavier in weight and dark in colour
x It is difficult to work
x It is highly durable
x Its fibres are quiet close and compact
x It has both tensile and shear resistance
x It widely used for doors, windows and furnitures
STUDY OF CARPENTRY TOOLS
Carpentry tools are used to produce components to an exact size. The types of carpentry tools are as follows.
1. Marking tools
2.Measuring tools
3. Holding tools
4. Cutting tools
5.Planning tools
6.Boring tools
7. Striking tools
8.Miscellaneous tools
MARKING TOOLS
Accurate marking is important in carpentry to produce components to exact size.
1. Marking gauge
It consists of a square wooden stem with a sliding wooden stock on it. On the stem, a marking pin is attached which is made up of steel. This stem is provided with a steel nail to scratch the surface of the work.
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