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Fitter

Course Details

Fitter is an assembling structural framework vocational trade. The duration of trade is two years with four semesters of six months each. There are many things/aspects students learn during course such as fitting and assembling structural frameworks and housings from materials like angle iron, I-beams, and plate steel, using hand-tools and welding equipment and following blueprint specifications: examines blueprints and materials list to obtain parts specifications, etc. The trade is very good from job point of view as it opens many options for self-employment on one hand and further studies options on other hand. There are so many ITIs and other institutes offering trade.

How is Fitter Trade Beneficial?
  • Students after passing Fitter trade can go for further higher Diploma/Bachelor Degree courses, which enhances their qualifications.
  • They can find jobs in production and manufacturing industries; structural fabrication like bridges, roof structures, building construction; automobile and allied industries and service industries like road transportation and railways.
  • Fitter Trade pass students have bright scopes in ship building and repair; infrastructure and defence organisations; public sector industries like BHEL, BEML, NTPC, etc and private industries in India & abroad.
Fitter Trade Job Types
  • Welder-Fitter
  • Pipe Fabricator
  • Mechanical Fitter
  • Technical Assistant/Technician
  • Plant Maintenance Fitter
  • Lathe Machine Operator
  • Course Structure

    Subject to be Studied during training course :

    Syllabus of Fitter trade as prescribed by various ITIs.

    Download Full Electrician syllabus

    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

    Admission Requirements

    Basic Qualification : The Basic qualification for admission in Electrician Trade is Matric ( 10th ) Pass under 10+2 system of education with Science as one of the subject.e

    Admission Open From March every year

    In admission required documents…..
    a> Marksheet
    b> SLC (School leaving certificate)
    c> Aadhar card & 6 color passport size photo)

    Placements

    Fitter Trade pass students have bright scopes in ship building and repair; infrastructure and defence organisations; public sector industries like BHEL, BEML, NTPC, etc and private industries in India & abroad.

    Seat Details

  • Namda Pvt ITI Samastipur Center - 42
  • Namda Pvt ITI Sitamarhi Center - 42
  • Namda Pvt ITIpatna Center - 21
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