ITI's which provides courses for Fitter

Sem. I

Sr. No.

Subjects of Study

Trade Practical

Trade Theory

1

Importance of trade training, List of tools & Machinery used in the trade

Importance of safety and general precautions observed in the in the industry/shop floor.

2

Identification of tools & equipments as per desired specifications for marking & sawing.

Linear measurements- its units, dividers, calipers, hermaphrodite, centre punch, dot punch, their description and uses of different types of hammers.

3

Filing Channel, Parallel. Filing- Flat and square (Rough finish).

Bench vice construction, types, uses, care & maintenance, vice clamps, hacksaw frames and blades, specification, description, types and their uses, method of using hacksaws

4

Marking off straight lines and arcs using scribing block and dividers, chipping flat surfaces along a marked line.

Marking off and layout tools, dividers, scribing block, odd leg calipers, punches

5

Marking, filing, filing square, use of trisquare.

Calipers- types, material, constructional details, uses, care & maintenance of cold chisels- materials, types, cutting angles

6

Marking according to simple blue prints for locating, position of holes, scribing lines on chalked surfaces with marking tools, finding center of round bar with the help of V block and marking block.

Marking media, marking blue, Prussian blue, red lead, chalk and their special application, description

7

Chipping, Chip slots & oils grooves (Straight).

Surface plate and auxiliary marking equipment, „V‟ block, angle plates, parallel block, description, types and uses, workshop surface plate

8

File thin metal to an accuracy of 0.5 mm

Physical properties of engineering metal

9

Saw along a straight line, curved line, on different sections of metal.

Power Saw ,band saw, Circular saw machines used for metal sections cutting

10

File steps and finish with smooth file accuracy ± 0.25 mm

Micrometer

11

File radius along a marked line (Convex & concave) & match.

Vernier calipers, principle, construction, graduations, reading, use and care.

12

Mark off and drill through holes, drill and tap on M.S. flat, Punch letter and number (letter punch and use of different punches.

Drilling processes

13

Revision & Test

Revision & Test

14

Forge M.S. round rod to square Forge flat chisel, grind.

Anvil and swage blocks.

15

Forge – punches, screw drivers, chisels, grind them

Metallurgical and metal working processes such as Heat treatment, various heat treatment methods

16

Marking of straight lines, circles, profiles and various geometrical shapes and cutting the sheets with snips.

Safety precautions to be observed in a sheet metal workshop, sheet and sizes,

17

Make various joints

Marking and measuring tools, wing compass, Prick punch, tin man‟s square tools, snips, types and uses

18

Bend sheet metal into various curvature form, wired edges- straight and curves, fold sheet metal at angle using stakes.

Stakes-bench types, parts, their uses

19

Make square tray with square soldered corner Practice in soft soldering and silver soldering.

Solders-composition of various types of solders, and their heating media of soldering iron, fluxes types, selection and application-joints

20

Make riveted lap and butt joint

Rivets-Tin man‟s rivets types, sizes, and selection for various works.

Sem. II

Trade Practical

Trade Theory

1

Welding - Striking and maintaining arc, laying Straight-line bead.

Safety-importance of safety and general precautions observed in a welding shop.

2

Making square, butt joint and „T‟ fillet joint-gas and arc.

Hand tools

3

Make butt weld and corner, fillet in arc welding

Setting up parameters for arc welding machines-selection of Welding electrodes

4

Gas cutting of MS plates

Oxygen acetylene cutting-machine description, parts, uses, method of handling, cutting torch

5

Mark off and drill through holes, drill on M.S. flat, file radius and profile to suit gauge.

Drill- material, types, (Taper shank, straight shank) parts and sizes.

6

Counter sink, counter bore and ream split fit (three piece fitting).

Counter sink, counter bore and spot facing-tools and nomenclature

7

Form external threads with dies to standard size.

Dies

8

Step fit, angular fit, file and make angle, surfaces

Drill troubles

9

Enlarge hole and increase internal dia.

Grinding wheel

10

Make the circles by binding previously drilled hole.

Radius gauge, feeler gauge, hole gauge, and their uses.

11

Inside square fit, make combined open and sliding fit, straight sides „T‟ fit.

Inter-changeability: Necessity in Engg, field definition, BIS.

12

File fit- combined, open angular and sliding sides.

Method of expressing tolerance as per BIS Fits

13

Make sliding fit with angles other than 90o, sliding fit with an angle.

Cast Iron

14

Make simple bracket by bending and twisting of non-ferrous metal.

Non-ferrous metals, properties and uses.

15

Counter sink, counter bore and ream split fit

Counter sink, counter bore and spot facing-tools and nomenclature, Reamer- material, types

16

Scrap on flat surfaces, scrap on curved surfaces and scrap surface parallels and test

Simple scraper

17

File and fit combined radius and angular surface (accuracy ± 0.5 mm), angular and radius fit.

Vernier micrometer, material, parts, graduation, use, care and maintenance.

18

Cutting threads using dies.

Dial test indicator, construction, parts, material, graduation, Method of use.

19

Simple repair work, simple assembly of machine parts from blue prints.

Preventive maintenance-objective and function of P.M., section inspection.

20

Assemble simple fitting using dowel pins and tap screw assembly using torque wrench.

Assembling techniques such as aligning, bending, fixing, mechanical jointing, threaded jointing, sealing, and torquing

Sem. III

Trade Practical

Trade Theory

1

True job on four jaw chuck using knife tool, face both the ends for holding between centers, Using roughing tool parallel turn ± O.1 mm

Safely precautions to be observed while working on a lathe, Lathe specifications, and constructional features.

2

Lathe operations

Lathe cutting tools

3

Cut grooves

Chucks and chucking the independent four

4

Turn taper (internal and external).

General turning operations- parallel or straight, turning.

5

Threading practice by using cut threads using taps, dies on lathe by hand, „V‟ thread – external.

Screw thread definition – uses and application. T

6

Assembly sliding for using keys and dowel pin and screw, ± 0.02 mm accuracy on plain surface.

Screws: material, different types (inch & metric), uses

7

File & fit angular mating surface plain within an accuracy of ± 0.02 mm & angular 15 minutes angular fitting.

Special files

8

Drill through and blind holes at an angle, using swivel table of drilling machine, Precision drilling, reaming and tapping

System of drill size, Fractional size

9

Dovetailed fitting, radius fitting

Description and uses of gauge- types

10

File and fit, combined fit with straight, angular surface with ± 0.02 mm accuracy, hexagonal fitting.

Slip gauge

11

Drilling and reaming, small dia. 

Locking device

12

Sliding fitting, Diamond fitting, Lapping flat surfaces using lapping plate.

Lapping

13

Making a snap gauge for checking a dia of 10 ± 0.02 mm.

Manufacture

14

Scrape angular mating surface, scrape on internal surface.

Bearing-Introduction, classification (Journal and Thrust), Description of each, ball bearing

15

Practice in dovetail fitting assembly and dowel pins and cap screws assembly

Roller and needle bearings

16

Preparation of gap gauges.

Synthetic materials for bearing

17

Dovetail and Dowel pin assembly, scraps cylindrical bore.

Method of fitting ball and roller bearings

18

Scrapping cylindrical bore and to make a fit-make a cotter jib assembly.

Bearing metals

19

Scrapping cylindrical taper bore, check taper angle with sine bar, check in per angle (flat) with sine bar.

Hardening and tempering, purpose of each method, tempering colour chart

20

Preparation of centre, squares, drills gauges

Annealing and normalising, purpose of each method.

Project Work

Sem. IV

Trade Practical

Trade Theory

H - fitting

Case hardening and carburising and its methods, process of carburising

Exercises on lapping of gauges

Solder and soldering

Simple jigs and fixtures for drilling.

Drilling jig-constructional features, types and uses.

Flaring of pipes and pipe joints, Cutting & Threading of pipe length

Pipes and pipe fitting- commonly used pipes

Practice-dismantling & assembling

Standard pipefitting

Practice in handling Fire extinguishers of different types, refilling of extinguishers.

Fire precautions-causes and types of fires, precautions against out-break of fire

Marking detail includes male & female screw cutting, male and female fitting parts.

Working material with finished surface as aluminium, duralumin, stainless steel, the importance of keeping the work free from rust and corrosion.

Exercises on finished material as aluminium and stainless steel, marking out, cutting to size, drilling etc. without damage to surface of finished articles.

Aluminium and its alloys.

Marking out for angular outlines, filing and fitting the inserts into gaps.

Tapers on keys and cotters permissible by various standards.

Complete exercises covering the assembly of parts working to detail and arrangement – Drawings, Dismantling and mounting of pulleys

Power transmission elements.

Complete exercises covering the assembly of parts working to details and arrangements as per drawings.

Power transmissions, coupling types-flange coupling,-Hooks coupling- universal coupling and their different uses.

More difficult work in marking out including tangents, templates involving use of vernier protractor

Pulleys-types-solid, split and „V‟ belt pulleys, standard calculation for determining size crowning of faces-loose and fast pulleys-jockey pulley.

Fitting of dovetail slides

Power transmission

Male and female dovetail fitting repairs to geared teeth.

Method or fixing geared wheels for various purpose drives.

Marking out on the round sections for geometrical shaped fittings.

Lubrication and lubricants

Prepare different types of documentation as per industrial need by different methods of recording information.

Importance of Technical English terms used in industry

Inspection of Machine tools, Accuracy testing of Machine tools.

Installation, maintenance and overhaul of machinery and engineering equipment and Hydraulics & pneumatic symbols & exercise.

Study of power transmission system in machine tools.

Washers-Types and calculation of washer sizes.

Simple repair of machinery, making of packing gaskets, use of hollow punches, extractor ,drifts, various types of hammers and spanners, etc.

Foundation bolt

Project Work