TY - BOOK AU - National Instructional Media Institute (NIMI) AU - DGT, MSDE, Govt of India TI - Metal & Surface Finishing Techniques : Sector Industrial Fabrication (Fitting & Welding) For Centres of excellence SN - COE20 U1 - 671 PY - 2013///,c2009 CY - Chennai PB - National Instructional Media Institute KW - Industrial Fabrication : Centres of Excellence KW - Industrial Fabrication N1 - -Induction training-Familiarization with the institute -Identification of Tools & Equipments -Identification of ferrous metals by spark test -Identification of metals by sound test -Hardness measurement using the Rockwell method -Hardness measurement using Brinell method -Hardness measurement using Vicker Method -Measurement of tensile strength on UTMC(Universal Test machine) -Impact strength of a material by notched impact IZOD Test -Impact Strength of Material by Charpy test -Identification of Surface defects on welding (Visual inpection) -Identification of Surface defects on casting (Visual inpection) -Identification of surface defects on forging(Visual inspection) -Non-destructive testing-Megnetic particle testing -Non-destructive testing-Dry Penetrant testing -Hardening high carbon steel Component -Tempering high carbon part using muffle furnace -Practice on test on stress relieving on welded components -Operation of murffle furrnace -Preparation of Steel Surface manually for painting -Preparation of metal surface for painting by sand/gift blasting -Preparation of Steel Surface for Painting-Removal of old paint film by blow lamp -Application of paint usingdd roller brush -painting by dipping process -Application of Finishing putty -Application of finish coat by spraying operation -Inpect and measure the quality of paint film -application of wax polish to improve surface finish -making stencil cutting -Powder coating practice Theory -Metals and Non-metals -Weldability of metals -Hardness testing methods -Tensile testing method -Weld defects-Causes and remedices -Casting defects- Causes and remidies -Inspection of weld(NDT)-Visual inpection -Safety precautions in heat treatment shop -Heat treatment of plain carbon steel -Hardening and tempering -Annealing of steel -Normalising steel -Surface hardnening of steel -Nitriding -Effects of carbon in steel -Temperature measuring instruments -Safety precautions -Painting section -Surface preparation -Tools used for surface preparation -Putty -Spray painting-Assories -Quality of paint and painting -Factors to be considered for the quality of paint film -Types of paint and marking -Powder coating ER -