Page 15 - Fitter 1st Year TT

36.Chip sheet metal (shearing). (3 hrs.) Vernier calipers, principle,
37.Chip step and file. (3 hrs.) construction, graduations, reading,
use and care. Vernier bevel
protractor, construction,
graduations, reading, use and care,
dial Vernier Caliper, Digital Vernier
caliper.
Vernier height gauge: material
construction, parts, graduations
(English & Metric) uses, care and
maintenance. (03 hrs.)
38.Mark off and drill through holes. (5 hrs.) Drilling processes: common type
39.Drill and tap on M.S. flat. (8 hrs.) (bench type, pillar type, radial
type), gang and multiple drilling
40.Punch letter and number (letter punch machine.
and number punch) (3 hrs.)
Determination of tap drill size.
41.Practice use of different punches. (5 (03 hrs.)
hrs.)
Professional Manufacture 42.Marking of straight lines, circles, Safety precautions to be observed
Skill 97Hrs; simple sheet profiles and various geometrical in a sheet metal workshop, sheet
Professional metal items as shapes and cutting the sheets with and sizes, Commercial sizes and
various types of metal sheets,
per drawing and
Knowledge join them by snips. (12 hrs.) coated sheets and their uses as per
21Hrs 43.Marking out of simple development (5
soldering, brazing BIS specifications. Shearing
and riveting. hrs.) machine- description, parts and
CSC/N0301 44.Marking out for flaps for soldering and uses. (05 hrs.)
sweating. (4 hrs.)

45.Make various joints: wiring, hemming, Marking and measuring tools, wing
soldering and brazing, form locked, compass, tin man's square tools,
grooved and knocked up single hem snips, types and uses. Tin man's
straight and curved edges form hammers and mallets type-sheet
double hemming. (22 hrs.) metal tools, types, specifications,
46.Punch holes-using hollow and solid uses. Trammel- description, parts,
punches. (5 hrs.) uses. Hand grooves- specifications
and uses.
47.Do lap and butt joints. (12 hrs.)
Sheet and wire gauge. (07 hrs.)
48.Bend sheet metal into various Stakes-bench types, parts, their
curvature form, wired edges- straight uses. Various types of metal joints,
and curves. Fold sheet metal at angle their selection and application,
using stakes. (6 hrs.) tolerance for various joints, their

49.Make simple Square container with selection& application. Wired
wired edge and fix handle. (13 hrs.) edges. (04 hrs.)

50.Make square tray with square soldered Solder and soldering: Introduction-
corner. (11 hrs.) types of solder and flux.
51.Practice in soft soldering and silver Composition of various types of
soldering. (7 hrs.) solders and their heating media of
soldering iron. Method of soldering,
selection and application-joints.
Hard solder- Introduction, types
and method of brazing. (05 hrs.)

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