DIVISSION OF SYLLABUS

CRAFTSMEN TRAINING SCHEME UNDERPeriod of Training 2 Years

Practical Theory1 Introduction Training 1

1 Importance of trade training. 2 Causes of accident and its remedies.

2 3

2 3 Practice on hammering with chipping. 4 Measurement, line standard and end standard.

4 Marking out practice 5 Steel rule-different types and uses.

5 Chisel grinding 6 Punch-its uses and their uses.

7 Scriber –uses and their importance.

3 6 Filing practice on plain surfaces. 8 Vice-types and uses.

7 Right angle by filing. 9 Files – different types of uses.

10

4 8 Filing at right angle. 11 Vee – block-sizes and its uses.

9 Marking & hacksawing practice 12 scribing block-its uses.

13 Hack-saw – their types & uses.

5 10 Making operation on flat & round job. 14

Drill machine – different parts.

15 Hack–saw blades – sizes, different

11 Drilling operation. pitch for different materials.

6 12 Threading with the Help of a tap. 16 Surface plate its necessity.

13 Threading with the help of a dies. 17 Tap – different types & cares while tapping.

18 Dies different types and uses.

19

7 14 Know the lathe and its main parts. 20 Definition of Lathe machine & machine tool.

15 Lever positions 21 History and gradual development of lathe.

16 Various lubrication points.

8 17 Mounting of chuck onlathe machine. 22 Classification of lathe.

18 Dis mounting of chuck on lathe machine. 23 Lathe machine - Function and construction

24 Lathe main parts

9 19 25 Types of lathe drivers.

26 Head stock – Types, construction & function.

27 Tumbler gear.

TRADE : TURNER

Week No Importance of safety and precautions to be

observed in the section as well as in the institute.

Introduction of safety rules in shop floor and to the fire fighting equipment etc.

Importance of the trade in the industrial development of the country

Try square – different types, parts material used etc. Calipers – types and uses

Centre punch – materials, construction & material uses.

Calculation involved finding out drill size (Metric and inch).

Truing of round rod on 4- jaw independent chuck.

10 20 28 Reducing speed – necessary & uses.

29

11 21 Grinding of R.H roughfing tool. 30 Lathe cutting tool – different types, shapes

and its angles (clearance and rakes).

22 31 Specification of lathe tools.

12 23 32 Types of lathe tool posts.

33 Function of quick change gear box,

feed shaft, lead screw etc.

13 24 Facing practice. 34

25 Centre drilling practice. 35 Drill chuck its uses.

26 Grinding practice of‘ a V’ tool.

14 27 36 Cutting speed, feed & depth of cut .

37

15 28 38

16 29 39

17 30 Step turning practice. 40 Different types of micrometers.

41 Difference between Outside micrometer

and Vernier calipers.

42

18 31 Drilling on lathe machine. 43 Lathe accessories.

32 Step drilling practice. 44 Lathe chucks-types , uses and its functions.

33 Drill grinding practice.

19 34 Boring practice 45 Drill – different parts, types, sizes etc.,

( Plain) 46 Different cutting angles, cutting speed for

different material.

47 Difference between Counter shinking

and counter boring.

20 35 Step Boringpractice. 48 Letter & number drill core drill etc.

21 36 Boring & Recessing. 49 Driving plate-function and its uses.

50 Face plate- function and its uses.

51 Steadies- Fixed and traveling steadies

construction and use.

52 Transfer caliper – its construction and uses.

22 37 Checking alignment of lathe centres. 53 Lathe Centres – types and their uses.

Truing of jobs in 3- jaw self centering chuck. Back Gear Unit – its construction and speed

calculation.

Grinding of L.H. side cutting tool.useing angle gauge.Setting the lathe tool in different type of tool post.

Combination drill – appropriate selection of size from chart of combination drill.

Parallel turning practice – using with scale and out side caliper. Calculation involved – cutting speed feed R.P.M.

etc., recommended R.P.M for different material.

Step turning practice( with + 0.08 mm measurement with vernier caliper.)

Varnier caliper – its construction, principle graduation, reading and its least count etc.

Parallel turning practice (with micrometer within + 0.08 mm accuracy.)

Outside micrometer – different parts, principle, graduation, reading and its construction.

Sources or error with micrometer & how to avoid them. Use of digital measuring instruments.

22

38 Mounting the job in between centres. 54 Lathe carrier – function, types & uses.

23 39 Reaming in lathe using solid reamer. 55 Reamers – types and uses.

40 Reaming on lathe using adjustable reamer. 56 Lubricant and coolant – types, necessity system.

57 Selection of coolant for different material.

24 41 58 Knurling-meaning, necessity types, grades.

59 Cutting speed for knurling.

25 42 Turning a gear blank using a mandrel. 60 Lathe mandrel – different types and their uses.

26 43 61 Interchangeability.

62 Limit, fit and tolerances as per IS : 919.

63 Unilateral and bilateral system of limit.

64 Types of Fits.

65 Hole basis & shaft basis etc.

66 Representation of Tolerance in drawing.

27 44 -Do-

28 45 67 Taper – necessity.

68 Different methods of expressing tapers.

69 Different standard tapers.

70 Method of taper turning.

29 46 71 Elements of taper.

72 Setting the work & the tailstock.

73

30 47 74

31 48 75 Venier bevel protractor – its function,

construction &its reading.

32 49 76

33 50 77 Advantage & disadvantage of taper attachment.

calculation involved.

34 51 78 Different types of form tool & their uses.

52

35 53 Eccentric marking practice. 79

54 Eccentric turning practice.(external)

36 55 Eccentric turning practice .(Internal ) 80 Gauge-definition-different types.

Knurling practice.(lathe Diamond, straight, helical & square).

Fitting of dis-similar materials – ( H.S s . in brass.)

Fitting of dis- similar materials – Alm in cast iron.

----------------------------Industiral Visit to Different Industries----------------------

Taper turning by off setting tailstock method.

Taper turning by off setting tailstock method.

Calculation involving the tailstock off set method –.

Taper turning by compound slide swiveling (External)

Taper turning by swiveling compound slide its calculation,

Taper turning by compound slide method (Internal).

Taper turning by taper turning attachment (Male).

Taper truning by Taper Turning Attachment – principle setting.

Taper turning by taper attachment (Female)

Taper turning by form tool method. (External).Taper turning by form tool method (Internal). Combination set- square head, Centre head,

protractor head – its function, construction and uses.

36 Eccentric turning practice .(Internal )

81 Plug and ring gauge.

82 Filler gauge, angle gauge and radius gauge.

37 56 Eccentric boring, ( piston boring.) 83

84 Templates – its function & constructions.

38 57 Eccentric boring. 85 Screw thread – definition, purpose.

58 86 Different elements.

87 Fundamentals of thread cutting on lathe.

39 59 88 Different types of screw thread.

89 Thread their forms and elements.

40 60 90 Different – methods of forming threads.

61 91 Calculation involved in finding core dia.

92 Gear train (simple gearing ) calculation.

41 62 Thread matching practice male and female. 93

94

42 63 95

64 Metric thread cutting .

43 65 96 Hand chaser – types, use etc.

66 97 Dies – different – Die stock.

44 67 98 Conventional chart for different profilers.

68 Internal Thread cutting practice (metric). ( Metric B.A.,Withworth,Pipe etc).

45 69 99

46 70 Tool grinding practice for Square thread. 100

71 Thread cutting practice (Square).

47 72 Tool grinding practice internal Square 101 Thread calculations.

73 Thread cutting practice (Internal).

48 74 102

49 75 Acme threading tool grinding practice. 103

76 Thread cutting practice (Acme).( external )

50 77 Acme threading tool grinding practice. 104

78 Thread cutting practice (internal).

79

51 80 Buttress threading tool grinding (external) 105

81 Thread cutting practice buttress (external) Limit gauges & their uses.

52 82 Buttress threading tool grinding (Internal)

Vernier height gauge-Function, description &itsuses.

Grinding of threading tool (external) (B.S.W).

Screw thread cutting (B.S.W.) External right hand side.and left hand side.

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

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

Calculation involving driver – driven, lead screw pitch and thread to be cut.

Thread chasing dial function, construction and use.

Grinding of metric threading tool.(external)

Calculation involving pitch related to ISO profile.

Thread cutting practice using Hand chasers (external).( on Non – Ferrous)Thread cutting practice using hand chasers (Internal). on Non – Ferrous)Grinding an internal threading tool (metric).

Fitting of male and female thread components (Metric).

Calculation involving gear ratios and gearing (Compound gearing).

Calculation involving gear ratios and gearing (Compound gearing).

Fitting of male and female square threaded components.

Basic processes of soldering ,brazing, butt welding of tool etc.

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

Calculation involved – depth, care dia pitch proportion use etc., of buttress thread.

Fitting of male & famale thread components. Depth micrometer (metric & inch)-uses, and its

construction.

52

83 Thread cutting practice buttress (Internal) -Revision-

84

SECOND YEAR

53 85 106 Review of lathe machine.107 Classification for Productivity.108

54 86 109110 Contants and their percentage.111 Tool life- good quality of a cutting tool material.

55 87 Form turning practice (off hand). 112 Form tools – function , types and uses.113 Template – purpose & use. 114 Dial test indicator – construction, use etc.

56 88 Grinding of parting off tool . 11589 Parting off tool setting in the tool post. 116

57 90 117 Jig and fixture – definition, type and use.118 Chip breaker on tool –types and its uses.

58 91 119 Sine bar – construction, types and use.120 Slip gauges- types, uses and its selection.

59 92 121 Checking of taper with sine bar and roller.122 Taper –calculations using sine bar.

60 93 Turning and boring practice on C.I. block 123 Method of brazing, and soldering.124 Flux used for tipped tools.

61 94 125126 Cutting speed chart (Tungsten carbide tool) etc

62 95 127

63 96 128 Lubricant – function, types.129 Method of lubrication.130131 Grinding wheel abrasive, grade and bonds etc.

64 97 Periodical lubrication of lathe. 132 Preventive maintenance.98 133 Its necessity frequency of lubrication.

134 Preventive maintenance schedule.65 9966 100 Crankshaft turning. 135 Marking table – construction and function.

136

67 101 137

68 102 Cutting metric threads on inch leadscrew. 138103

69 104 139 Different types of Lathe attachments.

Fitting of male & famale thread components.

Introduction to various components produced on lathe.

Revision of 1st years topics.

Forging practice (lathe tools) & heat treatment.

Cutting tool material - H.C.S., H.S.S., satellite, tungston, carbide, ceramic etc.

Calculations involving rake and clearance angles of lathe tool at above and below the centre height. Subsequent effect of tool setting.

Grinding up of various shape of chip breakers tool.

Taper turning by taper attachment. (Lathe centres).

Internal taper turning by taper turning attachment. (Ring gauge).

Turning practice using tungsten carbide tools including throwaway tips.

Calculation of Cutting speed, feed, turning time, depth of cut.

Practice with negative rake tool on non-ferrous metal.

Tool life; negative top rake – its application and performance with respect to positive top rake.

Balancing, mounting & dressing of grinding wheel (Pedestal) Adjustment of tool rest Dial test indicator- uses, and its construction and

function.

Alignment of lathe centers. Preventive maintenance of lathe

Industrial visit to different industries (to gather knowledge about the machinery, operations etc. Which are not available /performed in the Institute i.e. special purpose lathe, program control machine etc. Angle plate – construction, eccentricity checking.

Turning of long shaft (using steadies) (with in a 0.03 mm)

Roller and revolving steadies- construction, uses etc. Calculation involving gear ratios metric threads cutting on inch L/S Lathe and vice versa.Cutting thread onMetric Lead Screw to cut

TPI.Use of attachments on lathe for different operations.

70 105 140 Various procedures of thread measurement.141 Thread screw pitch gauge.

71 106 142143 Telescopic gauges its construction and use.

72 107 14473 108 14574 109 146

14775 110 148 Indexing of start.

149150 Lathe calculation for change wheel

76 111 151

77 112 152

78 113 153

79 114 Multiple thread cutting work (External) 154 Thread dimensions – tool shape.

155 Gear wheel calculation, pitch, depth and lead etc.80 115 Cutting of helical grooves (Oil Groove) 156

81 116 157 Accessories used on face plate their uses.158 Angle plate – its construction & uses.159 Face plate balancing –and its necessity.

82 117 Turning & boring of split bearing . 160 Care for holding split bearing.161 Fixture and its uses in turning.

83 118 Thread on taper surface (Vee form) 162 Setting of tool for taper threads.163 Calculation of taper threads and thread depth

84 119 16485 120 Programming of CNC machines 165 Capstan lathe – its main parts, and its function.

121 166122

86 123 167 Different types of tools used on capstan lathe.124 168 Advantages using of floating cutter.

125 Switching the machine of tool offset87 126 169 Turret lathe – its main parts types.

170 Difference between capstan and turret lathe.88 127 171

89 128 Practice on CNC Milling Machine 172By using different codes 173 Conventry die head and its closer function.

90 129 Practice on CNC Drilling Machine 174

Thread cutting on non-ferrous metals –(copper, aluminium, brass etc).

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

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

Boring and stepped boring (within q 0.05 mm)

Inside micrometer - principle, construction graduation, reading, uses.Continuation threads cutting (Fractional

odd & even threads).Calculation involving fractional threads, Odd & even threads.Multiple thread cutting (BSW) external &

internalMultiple thread function, use, different between pitch & lead.Formula to find out starts, pitch, leads ,and gears ratio etc.Multiple thread cutting Metric (external &

Internal)Different methods tool shape for multi start thread setting.

Multiple thread cutting Acme form(Male & Female)

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

Multiple thread cutting square form (Male & Female)

Calculation involving shape, pitch size, core dia etc.

Multiple thread cutting square form (Male & Female)

Calculation involving shape, size pitch, core dia etc. Helix angle, leading & following angles.

Heat treatment – meaning & procedure of Hardening, Tempering, Carburising etc.

Setting & Operation involving face and angle plate.

Introduction to various features of CNC machine – control switches, drives, operating buttons and specification

Production type lathe - Capstan, Turret, Automatic multi-spindle etc.

Introduction to CNC machine part programming with simple exercises.

Difference between Capstan lathe and Center lathe. Various programming code simple

examples of programming and editingOperating the CNC machine in the manual SBL and auto mode. Programme loading and machine setting. Procedure for reaching reference point. Setting Zero offset G 54, G55, G 56, G 57.

Simple work on CNC trainer lathe (Parallel, taper, step, radius turning, grooving and threading of different pitches.).Introduction to conventional Milling operation.

Different types of tools used on turret lathe and their advantages.

Different types of tools used on turret lathe and their advantages.

Different types of tools used on turret lathe and their advantages.

90 Practice on CNC Drilling Machine

175 Conventry die head and its closer function.

176 Collapsible tap – its uses130 177

178

179

180

181

96 131 182183 Procedure for quality production.

97 132 184

98 133 185 Conceptualisation of CNC technology.

186

187

188 Difference between NC and CNC.

189 Schematic Diagram of CNC system.99 134 190

191 Writing & editing.192 Geometry and Coordinate system.193 IMC panel, keys and display panel. 194 EMCO control panel. 195 Data processing unit and control logic unit.

100 135 196

197

198 Techniques of tool offsetting and tool setting.

199 Prepare various programmes as per drawing.

201 Tool type chart.202 Decide the G 41 and G 42.203 Surface finish – Primary and secondary.

204 Surface roughness related IS : Symbol.

102 136 Revision

91-95

Project work on lathe work different types of circular fitting , different types of thread cutting

Special lathe – copying, relieving turning ,axle turning etc.

Relieving lathe – Types, operational features – calculation of gearing etc.

Detailed description about the typical work and cam arrangement etc

Surface finish symbols used on working blueprints – I.S System lapping honing etc.

Automatic lathe – its main parts, different types of tools used – circular tool etc.

Project work useful articles different type fittings

Interchangeability meaning procedure for adoption, quality control.

Project work useful articles (different type fittings).

Interchangeability meaning, control procedure for quantity.

Practice of different operations related to trade on CNC machine. Difference to CNC machines vis-a-vis general-

purpose machines & automatic machines.

Advantages & disadvantages of CNC machine over General-purpose machines.

Practice of different operations related to trade on CNC machine.

Programming – Sequence, formats, different codes, sub routines, methods.

Practice of different operations related to trade on CNC machine.

Programme execution in different modes like SBL, manual and auto.

Knowledge on CNC cutting tools– Geometry, material, cutting speed, feed and depth of cut.

101 One day

one day industrial visit for practical on hand training on production CNC machine operating in Insustries.

Work order from local industries (Production type)

102Solution of NCVT question paper

103 137 RevisionSolution of NCVT question paper

104

Work order from local industries (Production type)

Work order from local industries (Production type)

----------------------NCVT TEST (Finals)---------------------------------

35 Micrometer outside 0 to 25mm Reading 0.01mm 1no 6nos36 Micrometer Outside 25 to 50 mm Reading 0.01 mm

3nos

1no 2nos