02174nam a22001937a 4500003000400000005001700004008004100021020001100062028007900073040002400152082001700176100005000193245005100243260007100294300000800365504156100373650001701934700002901951OSt20190508145050.0170711b        xxu||||| |||| 00| 0 eng d  aCTS172  bNational Instructional Media Institute (NIMI)c36280d24/04/2017q12/06/17  aBSDUbEnglishcBSDU  a671.823bSHE  aNational Instructional Media Institute (NIMI)  aSheet Metal Worker 2nd Semester : Trade Theory  aChennaibNational Instructional Media Institute (NIMI)c2015,c2014  a221  aContents : 

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 
  aFabrication   aDGT, MSDE, Govt of India