ITI's which provides courses for Turner

Sem. I

Sr. No.

Subjects of Study

Trade Practical

Trade Theory

1

Importance of trade training, List of tools & Machinery used in the trade. Health & Safety: Introduction to safety equipments and their uses. Introduction of first aid, operation of Electrical mains. Occupational Safety & Health Importance of housekeeping & good shop floor practices.

Importance of safety and general precautions observed in the in the industry/shop floor. All necessary guidance to be provided to the new comers to become familiar with the working of Industrial Training Institute system including stores procedures. Soft Skills: its importance and Job area after completion of training.

2

Identification of tools & equipments as per desired specifications for marking & sawing (Hand tools , Fitting tools & Measuring tools) Selection of material as per application Visual inspection of raw material for rusting, scaling, corrosion etc.

Measurement, line standard and end standard, steel rule-different types, graduation and limitation. Hammer and chisel-materials, types and uses. Prick punch and scriber.

3

Filing practice on plain surfaces, right angle by filing. Use of calipers and scale measurement.

Vice – types and uses, Files-different types of uses, cut, grade, shape, materials etc. Try square-different types, parts, material used etc. Calipers-types and uses (firm joint).

4

Filing at right angle, marking & hack sawing

Vee – block, scribing block, straight edge and its uses. Hacksaw-their types & uses.

5

Marking operation on flat & round job. Drilling operation.

Center punch- materials, construction & material uses. Drill machine-different parts. Hacksaw blades- sizes, different Parts.

6

Threading with the help of taps and dies.

Surface plate its necessity and use. Tap, - different types (Taper 2nd and bottoming) care while tapping.

7

Getting to know the lathe with its main components, lever positions and various lubrication points as well.

Definition of machine & machine tool and its classification. History and gradual development of lathe.

8

Mounting of chuck on machine spindle and unloading in various system – faceplate, 3-jaw chuck, 4-jaw chuck.

Classification of lathe in Function and construction of different parts of Lathe.

9

Turning of round stock on 4-jaw independent chuck. Use of 3-jaw self centering chuck as well.

Types of lathe drivers, merit and demerit. Description in details-head stockcone pulley type- all geared type-construction & function. Tumbler gear set.

10

Grinding of R.H. and L.H., side cutting tools, checking of angles with tools angle gauge / bevel protractor.

Lathe cutting tool-different types, shapes and different angles (clearances and rake), specification of lathe tools

11

Facing operation to correct length, center drilling operation,. Grinding of “V” tools for threading of Metric 60 degree threads with guage. 

Combination drill- appropriate selection of size from chart of combination drill. Drill, chuck- its uses.

12

Parallel turning, step turning, practice measurement with scale and outside calliper to 0.5 mm. accuracy

Vernier caliper-its construction, principle graduation and reading, least count etc. Digital vernier caliper.

13

Step turning practice within 0.5 mm with SQ, shoulder, U/cut on OD. Drilling on Lathe-step drilling, drill grinding practice.

Different types of micrometer, Outside micrometer. Vernier scale graduation and reading. Sources of error with micrometer & how to avoid them.

14

Boring practice-Plain & step, internal recessing. Reaming in lathe using solid and adjustable reamer.

Drills-different parts, types, size etc., different cutting angles, cutting speed for different material. Boring tool. Counter - sinking and Counter boring. Letter and number drill, core drill etc.

15

Checking alignment of lathe centers. Mounting job in between centers

Driving plate. Face plate & fixed & traveling steadies- construction and use. Transfer caliper-its construction and uses.

16

Turning practice-between centers on mandrel (Gear blanks). Fitting of dissimilar materials- M.S. in brass, aluminium, in cast iron etc. Knurling practice in lathe (Diamond, straight, helical & square).

Knurling meaning, necessity, types, grade, cutting speed for knurling. Lathe mandrel different types and their uses. Concept of interchange ability, Limit, Fit and tolerance as per BIS: 919-unilateral and bilateral system of limit, Fits- different types, symbols for holes and shafts. Hole basis & shaft basis etc. Representation of Tolerance in drawing.

Sem. II

Trade Practical

Trade Theory

1

Male taper turning by compound slide swivelling. Use of sine bar.

Taper – different methods of expressing tapers, different standard tapers. Method of taper turning, important dimensions of taper.

2

Male and female taper turning by taper turning attachment / compound slide practice.

Vernier bevel protractor-its function & reading.

3

Eccentric marking practice. Eccentric turning. Use of Vernier height Gauge and V-block. Eccentric boring. 

Vernier height gauge, function, description & uses, templates-its function and construction.

4

Practice square block turning using 4-jaw chuck.

-do-

5

Screw thread cutting (B.S.W) external R/H & L/H, checking of thread by using screw thread gauge, fitting of male and female parts.

Different types of screw thread- their forms and elements. Application of each type of thread. Drive train. Chain gear formula calculation.

6

Screw thread cutting (B.S.W) internal R/H & L/H

Different methods of forming threads. Calculation involved in finding core dia., gear train (simple gearing) calculation.

7

Fitting of male & female threaded components (BSW)

Calculations involving driver-driven, lead screw pitch and thread to be cut.

8

Screw thread cutting (External) metric thread- tool grinding

Calculation involving pitch related to ISO profile.

9

Screw thread (Internal) metric & threading tool grinding

Conventional chart for different profiles, metric, B.A., With worth, pipe etc.

10

Fitting of male and female thread components (Metric)

Calculation involving gear ratios and gearing (Simple & compound gearing)

11

Tool grinding for Square thread (External), Square threading (External) practice Tool grinding for Square thread (Internal) on pedestal grinder.

Calculation involving tool Thickness, core dia., pitch proportion, depth of cut etc. of sq. thread.

12

Fitting of male and female square threaded components.

Basic process of soldering, welding and brazing

13

Acme threads cutting (male & female) & tool grinding.

Calculation involved – depth, core dia., pitch proportion etc. of Acme thread.

14

Fitting of male and female threaded components

Calculation involved depth, core dia., pitch proportion, use of buttress thread.

15

Buttress threads cutting (male & female) & tool grinding. Fitting of male & female threaded components.

Buttress thread cutting (male & female) & tool grinding

Project Work

Sem. III

Trade Practical

Trade Theory

1

Introduction to various components produced on lathe. Forging practice (lathe tool) of different shapes, heat treatment of tools.

Review of lathe machine, its classification for productivity. Revision of first year topics. Cutting tool material-H.C.S., HSS, Tungsten. Carbide, Ceramic etc, - Constituents and their percentage. Tool life, quality of a cutting material.

2

Form turning practice by hand. Grinding of various shape of chip breaker on tool.

Form tools-function-types and uses, Template-purpose & use. Dial test indicator- construction & uses

3

Taper turning by taper turning attachment, Morse taper- different number.

Sine bar-construction-types and use. Slip gauges-types., uses and selection.

4

Internal taper turning by taper turning attachment / cross slide. Taper matching exercise (application of Prussian blue, Plug gauge)

Checking of taper with sin bar and roller-calculation involved

5

Turning and boring practice on CI (preferable) or steel & tip brazing on shank.

Method of brazing solder, flux used for tip tools.

6

Turning at high speed using tungsten carbide tools including throw-away tips.

Cutting speed, feed, turning time, depth of cut calculation, cutting speed chart (tungsten carbide tool ) etc.

7

Practice of negative rake tool on non-ferrous metal.

Tool life, negative top rake-its application and performance with respect to positive top rake Lubricant-function, types, sources of lubricant.

8

Periodical lubrication procedure on lathe, testing of accuracy of alignment.

Preventive maintenance, its necessity, frequency of lubrication. Preventive maintenance schedule., TPM

9

Holding and truing of Crankshaft –single throw (Desirable).

Marking table-construction and function. Angle plate-construction, eccentricity checking.

10

Turning of long shaft using steady (within 0.1 mm).

Roller and revolving steadies, Necessary, construction, uses etc.

11

Cutting metric threads on inch, lead screw and inch threads on Metric Lead Screw.

Calculation involving gear ratios metric threads cutting on inch L/S Lathe and vice-versa. 

12

Use of attachments on lathe for different operations.

Different types of attachments used in lathe. Various procedures of thread measurement thread screw pitch gauge.

13

Advanced eccentric boring (position boring using tool maker’s button.)

Tool maker’s button and its parts, construction and uses, telescopic gauge its construction and uses.

14

Boring and stepped boring (within +/-0.05 mm)

Inside micrometer principle, construction graduation, reading, use etc. (Metric & Inch.)

15

Continuation of thread cutting. Fractional odd & even threads.

Calculation involving fractional threads. Odd & even threads.

16

Multiple thread cutting (B.S.W.) external & internal.

Multiple thread function, use, different between pitch & lead, formulate to find out start, pitch, lead. Gear ratio etc.

17

Multiple threads cutting 60 deg. (external & internal).

Indexing of start - different methods tool shape for multi-start thread. Setting of a lathe calculation for required change wheel

18

Multi-start thread cutting Acme form (Male & Female)

Calculation involving shape of tool, change wheel, core dia etc.

19

Practice of conventional turning from industrial drawing.

Calculation involving shape, size pitch, core dia. Etc.

20

Multi-start thread cutting, square form (Male & Female) Multiple threads cutting work (External). Cutting of helical grooves in bearing and bushes (Oil groove)

Helix angle, leading angle & following angles. Thread dimensions-tool shape, gear, gear calculation, pitch, depth, lead etc. 

Project work

Sem. IV

Trade Practical

Trade Theory

1

Setting and turning operation involving face and angle plate

Accessories used on face plate –their uses. Angle plate-its construction & use. Balancing-its necessity.

2

Turning & boring of split bearing – (using boring bar and fixture)

Care for holding split bearing. Fixture and its use in turning.

3

Thread on taper surface (Vee form).

Setting of tool for taper threads-calculation of taper setting and thread depth.

4

Cutting of Helical grooves in bearings and bushes(oil grooves)

Heat treatment – meaning & procedure hardening, tempering, carbonizing etc.

5

Demo of parts of CNC machine – control switches, console buttons and machines specifications

CNC technology basics: Difference between CNC and conventional lathes.  Advantages and disadvantages of CNC machines over conventional machines.

6

CNC part programming with simple exercises and various programming codes. Practice on CNC machine simulator. 

Programming – sequence, formats, different codes, canned cycles. Absolute and incremental programming. Tool nose radius compensation (G41/42).

7

CNC turning center operation in various modes: jog, single block, auto, MDI, edit, etc. Program entry. Setting of tool offsets, entry of tool nose radius and orientation.

Program execution in different modes like single block, manual and auto. Tool and work offsets setting. Prepare various programs as per drawing. Concepts taught using multimedia CNC teach-ware.

8

Machining parts on CNC lathe with parallel, taper, step, radius turning, grooving and threading of different pitches.

Prepare various programs as per drawing. Concepts taught using multimedia CNC teach-ware.

9

Practice of different operations related to trade on CNC machine.

Different types of programming techniques of CNC machine.

10

Manufacturing & Assembly of Screw jack/vice/Box nut by performing different lathe operation.

Interchange ability meaning, procedure for adoption, quality control procedure for quality production.

11

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

Importance of Technical English terms used in industry –(in simple definition only)Technical forms, process charts, activity logs in required formats of industry, estimation, cycle time, productivity reports, job cards.

12

Read a part drawing and make a process plan for turning operation.

Terms used in part drawings and interpretation of drawings –tolerances, geometrical symbols -cylindricity, parallelism. etc.

13

Practice of special operations on lathes -worm gear cutting, oil groove internal and external

Automatic lathe-its main parts, types diff. Tools used-circular tool etc.

14

Boring on lathe using soft jaws and dial bore gauge to accuracy of +/- 0.05 mm.

Related theory and calculation. Surface finish symbols used on working blueprints- I.S. system lapping, honing etc.

Project work