National Instructional Media Institute (NIMI) creator DGT, MSDE, Govt of India text xxu Chennai National Instructional Media Institute (NIMI) 2015,c2014 monographic eng

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221 Contents : Module 1 : Basic Fitting Process -General discipline in the Institute -Safety precautions in sheet metal work shop -Metals and non-metals -Specification of steel Flats and Strips -Raw material information CRCA ,HRCA , MS Module 2 : Basic Sheet Metal Process -Technical Terms in sheet metal work -Measuring and marking tool -Outside micrometers -Measurement of angles -Combination set -Scribe /scratch awl -Cutting tool -Hacksaw frame and blade -Screwdriver -Type of Vices -Stake holders -Sheet metal seams -Folding and joining allowance -Notches in sheet metal -Development of surface -Templates -Punches -Rivets -Types 7 uses -Riveted Joints 7 spacing of rivets in joints -Special sheet metal rivets and their applications -Defect in rivetted joints -Fastening of sheet Metal 9Various types of Fastening Module 3 : Basic Welding Process -Soldering -Soft soldering -Soldering Joint -Fixes types and description -Portable hand forge with blower -Making 90 degree below joining two equal diameter pipes by soldering -'T' Joints -The right square section segmental bend pipe -Sheet Metal Worker -basic welding processes -Surface Preparation -Corrosion and surface Protection -Classification of welding processes -High Pressure Oxy-acetylene welding equipment and accessories -Welding blowpipe -Type of oxy-acetylene flame -Safety in manual metal arc welding -Arc welding Machines -Setting up of arc welding plant -Material preparation method -Fault in gas welding -Weld defects -Cause and remedies Fabrication 671.823 SHE CTS172 National Instructional Media Institute (NIMI) BSDU 170711 20190508145050.0 English