Page 16 - Sheet Metal Worker -TT- TELUGU
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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)
(xiv)