Page 16 - Sheet Metal Worker -TT- TELUGU
P. 16

46 Single riveted lap joint by   Ferrous metals. Use of Copper and
                                             aluminum sheet. (04 hrs)      Alloys. Laying out pattern of conical
                                          47 Double strap single row riveted butt  elbows. Pattern development of lobster
                                             joint by aluminum sheet. (04 hrs)  back bend. Chemical and Physical
                                                                           properties of  Aluminium. Use of
                                                                           Aluminium and its Alloys. (05 hrs)
                                         48 Exercise involving practical work on  Brief Description of hand punch
                                            Aluminium Sheet, and using Pop  machine. Hand and Power operated
                                            Rivet. (04 hrs)                drilling Machines. Drill Bits, parts and
                                                                           effects of cutting angles. Angles for
                                         49 Aluminium Windows with different
                                            extruded sections, Aluminium   Drilling Sheet Metals, effect of speed,
                                            Soldering. (07 hrs)            Feed Cutting Fluids, etc., on metals.
                                                                           Difference between drilled and punched
                                                                           holes. (03 hrs)

                                         50 Making holes in sheet metal using  Description of swaging and beading
                                            Punching Machine. (02 hrs)     machine, its parts, operating principles
                                                                           etc.
                                         51 Making holes in sheets with a twist
                                            drill. (04 hrs)                Description of Fly Ball press. Operating
                                                                           Principles of Power Press and press
                                         52 Tri-paning with use of hand and  brakes.
                                            electric drilling machine. Grinding
                                            a drill bit. (04 hrs)          Method to calculate the pressure
                                                                           adjustment. Clearance between Die and
                                         53 Practice in Drilling Holes in walls  Punch.
                                            and Ceilings as applied to ducting
                                            work. (06 hrs)                 Introduction to "C" and "H" frame
                                         54 Use of rawl bits and rawl plug. (04  presses. (03 hrs)
                                            hrs)
                                         55 Practice on hollowing and rising on Properties of stainless steel and its
                                            non-ferrous sheet as well as ferrous uses.
                                            sheet. (07 hrs)                Properties and uses of tin, lead, zinc
                                         56 Practice on removing dents of and silver.
                                            spherical or hemi-spherical articles  Description and Physical properties of
                                            using wheeling and raising     Muntz Metal, Gun Metal, White Metal
                                            machine. (Repairing mud guards  etc. (02 hrs)
                                            etc.) (07 hrs)

                                         57 Practice on pipe bending by hand.  Introduction to pipe/tube bending. Brief
                                            (04 hrs)                       description of Hydraulic pipe bending
                                         58 Pipe bending using Hydraulic Pipe  machine. Operating Principles etc.
                                            bending' machine. (04 hrs)     Description of roll forming machine
                                         59 Development of a cone: Cylinder  types and operating principles,
                                            fitted to a cone. (06 hrs)     description of slip roll forming machine
                                                                           and its function. (02 hrs)
                                         60 Equal dia pipe joint with crimping
                                            and Ogee beading. (04 hrs)

                                         61 Practice on external threading  Use of Die and Die Holder, Description
                                            using "Die stock". (05 hrs)    of taps and tap wrench. (02 hrs)
                                         62 Practice on internal threading using
                                            taps. (05 hrs)
                                         63 Typical folding, Bending Practice,
                                            Making          Steel-Racks,
                                            Reinforcement with angle iron. (07
                                            hrs)
                                         64 Use of self taping screws and other
                                            fasteners. (05 hrs)




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