Syllabus for written examination for the trade of Miller

Filing at right angle, marking & hacks awing. ·

Marking operation on flat & round job. Drilling operation.

Ttueading with tbe help of taps and dies

Getting to know the lathe with its main components. lever position and various lubrication points as _ wen.

Mounting of chuck on machine spindle and unloading in various system.

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

P~gress Test

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

Setting oflathe tools in different types of tool post following correct procedure.

Facing operation to correct length, center drilling opemtion,. Grinding of"V" tools.

Parallel turning practice­measurement with scale and caliper.

used etc. Calipers-types and usc's (firm joint).

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

imple conventional symbols for material and parts as per BIS: 696.

number.

Properties and uses of plain carbon steel and alloy steel.

Center punch- materials, construction & material uses.

rill machine-differco parts.

Uses and application of Drawing iostrumeots in the geometrical constructiqn angles and triangles.

Faction and decimals conversion fraction to decimal and vice-versa.

Hacksaw blades- sizes , different Parts. Hacksaw blades-size.<;, -different pitch for different materials. Nomenclature of drill.

Surface plate i , necessity and se. Tap, - different types (Taper

2 00 and bottoming) care while tapping. Dies different types and uses. Calculation involved to find Out drill size (Metric and Inch).

Geometrical construction of rectangle, square, circles and triangles.

Definition of machine & machine Geometrical drawing of tool and its classification. liisto.ry polygons and elli~se. And gradual development of lathe .

Properties and uses of copper, zinc, lead, tin aJuminum.

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Clas ification of lathe in Function -do-and construc;tion of different parts of Lathe.

Compo ition, Prope-rties and uses of brass, bronze, solder , bearing metal, timber ; rubber otc.

Types of lathe drivers, merit an.d dernet'it. Description in detajJs­head stock-cone pulley type-aU geared type--construction & function. Tumbler gear set.

R.educing speed~necessmy &. uses. Back Gear Unit-its construction and speed· .calculation. ·

Orthogonal & oblique cutting. athe cutting tool-different types,

shapes and different angles ( clearances and rakes ), specification of lathe tools

Diflim:nt types oflathe tool posts Function of quick change gear box, feed shaft, lead sci'ew etc.:

Combination drill- appropriate selection of size. from chart of combination driJl. Drill, chuck­its use .

Cutting speed, feed depth of cut, caJculation involved-speed feea R.P.M. etc. recommended for different materials .

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Free hand sketching f simple geometrical solid • cube, cone, prism, cylinder, sphere, pyramid. -

Standard printing style_ for letters & numbers as pe BIS : 696

·Free hand practice of printing style for standard ·letterS and number.

Scales construction of plain scale. . R.,F.(R~resentative fraction) .

System of units. British, Metric & SI units for lenglb, -area, volume. capacity, w~ight, time angle, their conversions.

Effect of alloying . elements on the property of.CJ. and steel

Units of temperature & conversion of different system of temperature and related problems

Mass, volume, density, specific gravity & specific weight, S.l., M.K.S. and F.P$. units of force, weight etc., their conversi<>n & related problems.

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·.. lnertia, rest and motion, velocity and acceleration.

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Stop tu,mlng with 0.08 mm measurement with vernier caliper.

Parallel turning practice measureme.nt with micrometer within 0 .08 mm accuracy.

Step turning praclice within± 0.08 mm with Q, shoulder, Ulcut, feel of micrometer, ources·of error with micromo1er

Drilling on Lathe- tep drilling. driJJ grinding practice. - '

Boring practice-Plain & step, use of inside micrometer-with ±0.08 mm accu_racy

Bore ( Plain ) measurement with inside micrometer ±0.08 mm.

&ring & internal recessing

Checking alignment oflathe centers: Mounting job in botw en centerS

Reaming in lath~ using solid aod adjustable reatner.

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Knurli.ng practice in lathe (Diamond, straight, helical & square)

Vernier caliper-it.c; construction, principle graduation and reading, least count etc. Digital vernier caliper.

OutSide micrometer -different parts, principle, graduation, · read~, construction. Digital micrometer.

Construction of diagonal scale.

Simple dimensioning technique; size and loci~ tion -of dimension for parts, boles, angles taper, screws etc . as per IS: 696

Different types of micrometOT, · Transfering measurement Outside micrometer. Vernier scale - for tinear, angular, graduation and reading. l)ources of circular dimension from erro{ with micrometer & how to the given objects to the avoid them. Use of digital related free hand measuring instruments. sketches using different

Lathe accessories, chuck: -independent, self centering, collect, magnetic etc.,its function, construction and uses. Drills--different parts, types, ize etc., different cutting angles, cutting spec;<~ for different material . Boring tool. Count~r ­

sinking and Coon~ boring.

measuring instruments. Pictorial drawing of isomelric draYfing of simple geometrical solids

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Concept of scalar & vector quantity with example. Newton's Law of motion.

Power and Roots

Factor, power, base exponents.

Multiplication and -division of power and rool of a number.

Square root by arithmetic . and problems.

Wotk, Energy and Power, their units- related problems

Letter and numbe·r drill, core drill etc.

Oblique projection of simple geometrical solids

H.P.J.H.P. and B.H.P .• Efficiepcy and related problems

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

Lathe centers-types and their uses. Lath~ ca-rrier-function, types & uses. Reamers-types and uses. Lubricant and coolant-types, necessity, system f distn'but:ion, selection of coolant for different material: Handling and care.

Knurling meaning, necessity, types, <grade, cutting speed for knurling.

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Isometric drawing of simple machined & casting block

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Percentage, changing perce'!ltage to decimal and vice-versa.

Problem on percentage related to trade

Meaning of stre s, strain, modulus of elasticity.

Ultimate trength, different types of stress, fuctor of safety and examples.

Turning practice-between conte~ on mandrel ( Gear blanks )

Fitting of dissimilar materials­H.S.in b:rass,aluminium, in a •t tron etc.

Industrial Visit to Different Industries ·

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'l:apcr.tuming by offs tting tailstock method

Taper turning by offsetti.ng tailstoclc. method.

Taper tuming by compound slide swiveling

-DO-( bevel gear blank )

Taper turning by taper turning a~chment , practice ( Male & Female).

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Taper turning by form tool ( Int. & Ext. ) (Taper matching)

Lathe mandrel-different types aJld their uses

Concept of interchangeability, '

Limit, it and tolerance as per BIS :919-unilateral and bilateral system of limit, Fits- different types, syml)ols for holes and shafts. Hole basis & shaft basis etc. Representation of Tolerance in drawing.

Industrial Visit to Different Industries

Free hand sketching of trades related hand tools, cutting tools, me~urmg iitstruments

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·Industrial Vi it to Different Industries · .

Taper- n essity, different methods of exprc sing tapers. Different standard tapers. method of taper turning, important dimensions of taper, Principle of setting the work & Ule tailstock, . calculation involving the tailstock . offset method- Advantage & Disadvantage

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Taper turning by swiveling compound slide, its calculation.

Advantages & disadvantages

Vernier bevel protractor~its function Construction & reading

Taper turning by taper turning Attachment-principle setting, advantages & disadvantages. calculation involved.

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Diffi rent types of fono tool & their uses.

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Orthographic drawing­application of both the

fn t angle and third angle method in representing the drawing for simple and complex machine blocks given for exercises with dimensions.

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Standard method as per BIS: 696. Exercises for different sectional views on tho given orthographic. drawing of machine parts, castings etc

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Ratio and · proportions and related problems, direct proportion and indirect proportion

lndu trial Visit to Different Industries

Simple machines­principle, velocity ratio, mechanical' advantage~ efficiency, simple problem.

imple machines principle-Velocity ratio, mechanical advantage, efficiency. Simple Problems Fundamentai Algebraic OPerations :

Sign & symbols used in algebra.

and Algebraic addition, subtraction, multiplication division.

Power & laws of exponent.

Algebraic-simplification problems

Simple machine like Winch, Pulley and compound axle etc.

Eccentric marking practice- . Combination set-square head. -do- Factor and equation: Eccentric turning~ External use of Center head, protractor head-its Algebtaic formulae. Vernier height Gauge. function construct;ion and uses.

Eccentric turning practice-External Gauge-definition-different types -do- Factor and different typeS and intema l. plug and ring gauge, filler gauge of factorization.

angle gauge and radius gauge.

Eccentric boring. position borini. Vernier height gauge, function, Equation, imple description & uses, templates-its 0- simultaneou • function and construction. imultaneous eqn.

Eccentric bo~ & position boring. Screw thread-definition, purpose Conversion isometric Equations simple. Grinding of threading tool & iL'l different ~lemcnts. drawing to orthographic simultaneous, quadratic . (external.) Fundamentals of thread cutting drawing and vice versa Application, construction

on lathe. related problems such as and solution of problems Vee blocks, imple by equations. stepped blocks • blocks

• oriented by various machining operations etc.

Screw tlu:ead cutting (B.S.W) Different types of screw thread- -do- Attno pheric pressure, 6x.tema1 RIH & UH, cbeclcing of their forms and element . pressure uge.gauge thread 'by using screw thread gauge. pressure and absolute

pressure and their units.

Screw thread cutting (B.S.W) Different methods of formjng -do- Logarithms and use of internal RIH & UH threads . Calculation involved in logarithm tables & anti-

finding core dia., gear train logarithms table . (simple gearing) calculation.

Fitting of male & female threaded Calculation involving driver- - do - Problem related to tmde components driven, lead screw pitch and using logarithm tables.

thread to be cut. Tread chasing

dial function. construction and use. ..

Screw thread cutting ( External ) Calculation involving pitch -do- -do - · metric thread- tool grinding related to ISO profile.

. thread (Ext &Jnt.) non-ferrous material

Screw thread ( Internal ) metric & tool ( ln emal threading) grinding

itting of male and femal thread comp'oneniS ( Metric )

Tool grinding tor Sq.tbread External}, Sq. thread ( temal )

practice: Tool grinding for Sq.thread ( In mal), Sq.throad (In m 1) practice tf

Fitting of male and femnle square threaded components.

Acme thread cutting ( m 1 & female) & tool grindin .

• Dies.<fiffenmt types, Die stock. solids of implo .

Conventional chart ft r different profiles metric, .A., Withworth, pipe etc.

Calculation involving gear ratios and. gearing ( compound gearing )

C lculation involving tool ize, core dia,, pitch proportion, depth of cut etc. of sq. thread ..

a ic process of soldering, welding and brazing.

Calculation involved epth core dia.,pitch proportion etc. of Acme thre. d.

geometrical sotids..cube, rectangular block, cone pyramic4 cylindrical pri m etc.

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Int prctation of solids and conventional curv on drav ings.

Soluti n ofNCVT test papers

Sketche of imple pipe union with a simple pipe ·line drawinga.

Fitting of mal and fi male threaded Calculation involved depth, core - do -components ~ia.,pitch proporti n, uso of

buttress thread . .

Buttre thread cutting (male & f1 m le) & tool grinding

Buttress thread cutting (male & Solution ofNCVT t

Fitting of malo & female threaded comporen

female ) & to 1 grinding paper

Revision. 14 - do,..

peci.fic Gravity-principle of Archimedes.

R lation between specific ·gravity & specific weight.

Geometry: Fundamental geom ·cal definition of angl and properties of triangle. Triangle and properties. Pythagora11 The rem , pr_op~ies of ~imilar triangles.

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olution ofNCV1. test . papers

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ntmduction to vario co~nents prodo'ced on· ladle .

Forging practice { 1 the tool) of diff~n shapes, heat tn:atmont of tools.

orm turning practice (by hand )

Grindin and setting of parting off t.ool on toot post

Grinding up of various ha.pe of ebip breaker on tool

Taper tUrning by caper tUl'Ding atnichmcnt, MoiSe tapor- different number.

Internal taper turning by taper turning attachment. Taper mamhing exercise ( application of Prussian blu , Plug ~ Ring gauge)

Turning aod boring practice on CJ. blo k & tip brazing on shank.

Review f the machine. i.t<J cl sttkati.on J,or uctivity.

evi ion of fil! ycat · pies.

·Cutting tool material~ R,C. .,H.s.s .• Stellite. Tungsten. Ca.tbide, Ceramic etc. -Constituents and their percen1age. 'ool·life t1 uired, quality of a .

cutting mamrial

Fonn tools-function-type and Usell, Template-purpose & u . Dia.l U:$t indicator- construction &uses

Calculation involving modified rake and clearance angies oflathe tool at above and below the . cent r height. Subsequent effect 0 f tool cttirig.

Jig amd fix.ture-defin.ition, type and use. hip breaker on tool-· purpose and type

Sine bar-construction~typos and usee.Slip, uses and selection. ~uges .. types.

· Checkiug of taper wi1h sin bar and roller-calculation involved

Method ofbrazing solder, flux u ed for tip tools ..

Screw thrend , their stand nd ti rm pe BIS,·

ext rn l & internal thread nvention on Ute features

fordmwing.

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Sketch for bolts, nuts, rcws and other screwed

·Members

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tandard rivet fonn as pee BIS

Riveted j int -lap and butt.

Sketchlng of keys, cotter and pin join

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Solid figu~Prism, Qylinder,..pyramid, cone .

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rustum ofPrism cylinde

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Frustum f Pynunid

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FJ'\l.Sturo of cone

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

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Practice of negative mkc: tool on non-ferrous metal:

Balancing. mounting & dressing of grinding wheel ( Pcdr:.stal ). Adjus~nt oftool post.

Periodical lubrication procedure on lathe, testing of ccuracy of alignment. Procedure of ch king accuracy of lathe. Preventive maintenance of lathe.

Cutting speed, feed, turning titne, depth of cut c lclllation, cutting speed chart ( tungsten carbide tool ) etc Basic classification of tungsien carbide tips.

Tool life, negative top rake-its applica · nand per onnance with re!.-pect to positive top rake

Lubricant-function, types. sources of lubricant Method of lubrication. Dial test indicator use for parallelism and concentricity etc . in respect of lathe work Grinding · vhecl abrasive, grit, grade, b nd etc.

Preventive majoteoanoe, its necessity, frequency of lubrication. Preventive maintenance schedule., TPM (Total Productive Maintenance), ~S ( Envlou.mmenl, .heats, · Safety)

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Concept .of prepara t'ion of assembly drawing and detailing. Simple a semb1ies & their details of trade related tools/jobs/exercises from the gi en samples, models. Tool post for the lathe with washer & · crews

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Details and a embly of Vee .. blocks with clamps

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Frustum of pbere, spherical segment.

Material weight and problem related t trade.

TrigQnometry : Trigonometrical ratio. usc of trigonometrical tables.

Crankshaft - single throw Marking table-construction and Det:aj Is and a sembly up Ar:ca of triangle by (Desirable) fun<:tion. Angle plate- Vee-blocks with clamps. trigonometry.

on tru tion, eoccntricity checldng.

Tumjng of long shaft (u ing RoUer and revolving teadies, Details and a sembly of Finding height and teadi ) (with in a 0.03 mm). ry, construction, ,uscs etc. haft and pulley. di tance trigonom ·~uy

Cutting metl'ic threads on in , I d Calcul lion involving g r ratios screw and inch thr ds on Metric metric threads cutting on inch US Lead Scmv. Lathe d vice-v rsa.

se of attachments on lathe for different opera1ions.

Diffet'ent types of attactun nts used in lathe.

Thread cutting on non-ferrous Various procedures of · thread metals-copper aluminum blilSs. etc. ·mea: urement thread screw pitch

~uge.

Screw thread micrometer, tool maker, microscope etc~ ·

Detail and embly of Bush Bearing.

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Advanced eccentric boring (position boring using tool maker's button.

Tool makc..'!''s btttton and its parts, Detail and mbly of construction and uses, telescopic imple coupling

u e its construction IJJld uses.

.Appli tion oj' trigonometry to related problems.

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Triangle of forces, Parallel.ogram of forces.

mposirion and resolution-of force.

Pt~cliul W rk

loouc.ticm Trainins:-Famili1riurion with lllc: loousrritll T11iniJ1g l11$titule importance of ~rades (I per iflllllSrrial growlh uOO vanous lype$ or ~Dhines 11$00 ioolutiog general ufe~ r Jj rod to each machines. l>c1l1oo$lr31ion on usin~t fiTe tighling cquipm~ol . Introduction to basic IOols;-(i) Hand tools (ii) fi tting loo~s (iii) Measuring tooli . O!ipping Oal swfilce.s aml grindtng vario~~S angles lo chisels, filin Oal sur~ ce. Grooving witb H m1111Cf and chiseL

Tt'ldc Thrary

3 lmpoctance or House-keeping S~ll'OIIndipg

cnvirorvneru of shop needs aod fdy to be obserml - pcllionnc , IJ1llChines nd boutekeeping. Varlous types or ~<;a) facllilies provided lid nearest ~~als.' ·

4

Rand tools arid its importance, slC::l rule, RCllding or slllljllc dr~wing. 'Enginccmg Tty square, cbi$cl, surfilce &llll8 ll!1d cue & !1111wing its imponanee and In ll rnenLS tllaintetUIIICO Hacksaw frame blade.s. used in rhlfr'ing, Cla$silication and types of chisels, files · & a. Mllking of Title blod.s ~$ per IS; 46S-us:es, vices • its constructioos aod uses. 1988. Haptmcrs and its t)'l)Cs" Rclatod sarety. .11. . V!l!'io~ sjr.es of drawing sbc:cU

o. Various lj'peS of pencils · sharpening

s

Sin1>lc aritbm;:!ic, Addi~oo. subtnrooo tnltlplicatlon, Division or whole and

partial number.

mcdlodtr •. . d: 'l)pes .of li11C5

per IS:<t6S: 1988.

Propcrt~ of mdals and tbeir impor11110e their appltcation as in uadc.

Pilins Flal $arfaccs, Uses of rmd:lng tools. Marking blO<:k, Steel rule, ond cailpus· Punch, TJY square & basic mcasming tools, ditTerenti)'P.eS aod IISCS. on~inati n $lCI-it$ caliper, su:cl rule_ cOmJIOncniS and uses.

Filina fbi surfaces, chcct ing with srecl rule ~nd Try_squuc. Hack sawinR. Marting and Drilling holes on fl1t pictcS. Tappmg as per simpledlll\\!ing.

Filing Tee shnpe job.

Filing Oat type polygon.

Uacksaw blade, H ·.saw liarn IJ1d its IVIICS. Drill bits- parts, T'ypes & tiSCS,

lntrodU(tion to Hand Taps & Oil!!l and their types, ppliliatio·ns, ca~ and 1113intCIIIIIIC(l. Parnili:tr with 1:1p and d t~ll size, Titrwl Tenninology. forging tools, iLS importance aoo lyptS such as tongs, swage block, anVIl cu:. H~t trealn\cJH p!OC(:Ss Aru~allng. Normalising, Tempcnng, Hardening, case hudening and its imponancc. Use or vernier caliper am] i paru, constJuaion, pri 'pie & n:adinl!. use & we.

Use or drJwing tools simple &comemeal c:ou.tructloll. Geomstrical constructio11, Tegular polygon circle.s.

Geomettiul c::onstmction of polygon ipscribcd circles. Curv~;S ood rypes or curvet ·· & 1llcir application and m:thod or drawing curves.

Fr1ctioo &. decinuls, com'Ciliion of fraction 10 cb:imals and vicc-vtt$1L PropcJljcs ()[ C.I.&. its I)'IX$, uses. Propenies of on·ferrou metals and its Hlenl iH aliom.

Properties of copper, Zinc, mlld stc:cl, alwninium cte.

Pb ical propertf~ of Brass, Steel, bcarlng metals, etc.

Fining male and fclllllle square piece to Outside mlcromotcr, its lypes and Geometrical oonstn&ction, cydoid, Doeima.ls, Division, Multiplication. close limit Application ofV~:micr cahper rn corutruction, puts, readmg usc, urc 1nd bypctbol1, ~nbola curv • ellipse. m•kin8 job. ~inteniiMc . involute eunu.

Fluiltg m~e a~¥Hcm~r square piece to ciO$ Hmlt AppliCIItion ohemicr caliper in 1oa lusjc*J.

Study about Depth gauge, micromctm w.l di tetl iooiQt r • their pans ~ till truetion_

Fret hand ~tch of lines, pol i()OS, ellipt c:tc.

LogJrithm and bow to find 0t11 marttisst &: chl!llcterisJic Properties ofCJ. steel.

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l lni!OductiOII to Sllapi~ ~~~~thine and ill lntrod~ction of $baper, iypcs Classiftctlion, Free hind sketch of basic tools 1\nd simple Work, power, coergy. consuuWOit. Selling of stmkcs. tools, job General prirw:iple or poWer lt3nsrnission 00. scomeiJicsl COils! . Cone, pyramid, fnlslum, on table li11Cbining of Rectan&ular block, shaping mechanism. prisms, sphere ct:. steps, ith the use of Basic. tools. Safety ~ points to be obsen'C(I wbil wOiting on a $Ita per-

Setting of vice, setting of block on ~ice

chedtin&.acculll~ ShapiJtg HU~~gonal, Retnngular block as per skctc:b chedcins with caliper & steel rule, a~ prolr.t.CIOI'. Shaping "V" bloch wiftr slides, measurcfllCIIL or •v· !.'TD0\'1: wilh ~emier . bevel protractor, mcasun:m.et•t of ~lOis by vernier caliper wilh 0.02 rnm accuracy. S""ping Tee sloU, sltaping angular surfaces, shllliiOS eonCI!VC &. COIIVC~ surface with me uflee slot tool$, rorm tools. t. Oltting or c:Kternal keyway on sh~per. 2. Slmping block.

Revision nod T CSL

Sbtptna paru, cOilstmetion u~ of puts, quid rttum'm'echanism riltio c.tc.

VariollS toOls of sb_Jpinj ~tine and their angles and ilqlOrtllnce ofanl!l .

Various rriethdds of holding johs, u:se of cl3~, nUl$ .t bolts V- blocks, angle pl1tcs shapinJ! operations, their imponllllCe.

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CCK1$tnrclion of se21le di3.gram. division qf odd rtans of ~cale with dnwing inslruments by skctdt.. . Letters and its types and dmwiqg ofleuctt.

Motion, 1docity and rcla.ted problems.

Volume, n•ass, density and rdtiCd problems.

Properties ofmell~ and lheirlipplit:ation5.

Tool head • its parts •lld epplicatioo, Metbods of dtawins ellipse. How to draw square root$, poWer, w nvallion of function of e cb part of tool head. by drawio instruments- decimal to P11ction &. v1oe l'l:llla.

Shaping tools alld types-Speed, feed, depth of cut Slllfacc finish as per IS! system.

Revision & Test.

Simple diroeosiom witlJ tecltniqueJ aDd locltiolt of parts 1 per dimensims, angle, IJII)Cr.

TrallSI'<ln!ing of various mwurements, linear, Angular, Cirtularelc.

. ReviSion aod Test.

Squ11re roots. powa con1-ersian of decimal to Fraction :aoci ~ce vcm_

Multiplication pow-t:r 100t of a rumber.

ReVi:sfcn iud TcsL

General introduction to slouing, Sarety points to be obsmcd while vrorkins on a slouer.

SloUi118 J iocungu!ar job checking aqd tueas~ri11g with gaug~ & preciston measuring insnumcn1S. Slotli~ a rce1an.gular job Q\eckJ~~g & measuring with ~uges and precision meas11riog iwcrurucniS. Sklttilll! square ~nd heu.gon internal and · e~tcmal Slorti1\3 a ~blc ended spann r.

Prncticc on slotting key ways on pul!ey-lotcroal arid ~tern ill sloCring irregular shaped j bs bavitl8 cuM\! s~rfKecs.

·do-SloUing inemal operations.

Slottina concave and conY!lX surfaces"

l nr:roduction of pl~nning !Jlachiru:s, Adjustment of stroke, setting o tool, yicc on plllner ~blc rnacl11nlng of rCCI&fl81Jiu block on pllnet. So fety pc\ints to b~ observed while wOt:tiDJt on a ptancr. Planning 11Jl8Ular, Horizorual, vertical orerations, pllllllillg OQ\'elail.

Pl,mning_ or v•rious key way5 (llpcn & blind). TYJICS of opcr~tiOII, COOCI~ & conw:~ sur!acc Lc. ~toosc ncct clam_p._ Pl~ng V Block machining of planu ll,aU)lC,

Pla~ning n111.le & female (~~II. grinding of tools, checking witll Vernier bevel nrotmclor &. roll cr mt.tlwk

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Revision ami TcsL

Introduction to an en~inc ]Bthc. Holding of roomd job in n indept:flde.nt chuck and lfuing it. Holding the tool in a lool post, centering lbe job with 1hc lool. Ft~eing 8< drilling. Pan.lleltmung ~ween centers, parting otf, chamfering using roll3bing, fini!ilting 111111 parting off tools.

Holdinll the job in thn:c jaw chuclt wing, oe.otcring facing. Step ntming undercutting, knurlinst drilliug and boring. T•pe:r tuming by offlrct mctbod choc:k.i"8 or IIIC taper with procislon instruments. Tllj)er tum~ b~ ii\Yivo:ling collqldund resl, setting doe eompor.rnd ~ tel correct ciqrec, chtclc;[ng tbe tool heiglt, cJ....,;ng the saddle for no l~tudinal mo_,t, cbcolcing up with ~sion iMinomctiB. Otttina V tlon:dd external and ittlet1,_1 io a la1hc. Cheding up with screw pitdlfPU3•· C\utina squsr" thread external & internal on alall~c

Slouer-princi~c, con trucHoit, detaih, driving mechanlsm, qu1ck rtlum mooon tnd speed ratio. Safety 'p~autioo co~arative shldy with haping macb 'no. Classification ofslottld.li mallh.iJt.

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.00-Job ho!drqg de~c~.\lioe, clamps, V-block, pm.llcl blllck ~ .

Slot1ing tools different I}'JltS of wmt tool angles compil.nson of tool sbapc with that of sbaper. Use of tool with holdct for IJUemitl opcrllion Precautions to be observed du~ slotting i~cmal operations. ..

itltroductton 10 coolan( ·. & lubricant-diffi:rcnce between them, types and uses of each. Use of circul.ar ll1lllks on the fable for slotting cw;-cs.

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ln'lU<luction to Plarunng Mit. p Tts', typeS, ~pnslfllccioos. details of Drivi113 mc:d,nis•n of pl•ncr, IJIIiclc rctum motion etc.

Tool bead of pla~~er its comtrudion aod v:~rio function of eJch part bloclc, clanrpl, bollS, step block iUld otb holding dCVICCS.

Cultiug tools fur PltnJJer - their tUtcri;ll and types. e~I~Jes, ~uges. their fix!Jlr~ and vi cO£. HydrauUc o c:c:hanism of planer their advanllilles disadvantaRcs. Oovcuil rm:uun:mcrll extcm3.1 and inlenW by ''mli~ b~\tl prolnclor.

Checking ofDo,....Ul by roller nldhod. I Revision BDd TcsL I

lntnxiiittion 10- lalhe. Its IYP"'- cagine l.albe c:<m$1nlctlon, de.ail fuoctioo of pam si7..c rmd spccifu:ation. Safety points 10 be ob$e:rver:l while W.,dt:ing on • l.tlhc.

Latbe IDols their •hales & uSe$. DriviJJg mo::dlanism, spUd and feed mechanism k lathe accessories.

Cbncb-dlfrcn:nt types of job · Mldlng · dl:viecs ort lathe alld ad\'l!otages of cai:b type:, Moudi__~Y! _and dismounting of chucks. Taper introd~.~:tiooo. types and · uses. Calculations o f taperS. Measurcllltnt or taper by sine ba.r and slip gwgcs.

Different thread fonno their related din,.nsions rmd ealculatioos screw enning in a ladle. Mcasurcindi:il ot dtreads by thrt:e wi~ me.tlwds.

Freek~d sketches of trade tditcd hand ~ cu~ t()oh; measuring tools.

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Free hand sketches of tmdcs related band tools, measuring tools..

9ft!!o~pl)~e drawinas applkarion of both first angle and third aoglc ~in IqJ~~ ttc ~willa for simple. eft ~le!C qJicbino ~~110~• si~o formrciaes will\ dimensions. ..

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DnJI!IjlljP,hio AAwill3'0 ipplip~tion of both li11! ap;\9 ~ ~~t~ angle. McrtJods in representing the drawings Cor s:Upplc and CP,~I ~ mac~IIC bl~ks gj)'Cn fOr fXcrtisB wi ditnensions.

'P;otoiijll l!nlwing, lliOIIICtric drawings of simple bloclc.

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Oblique views of simple geomdric~! COII!j!'J!dii"'S~

lsinrielrif drawing 4;1f COIIlf!lclcd job;.

bent~~ i1rl~in8 of sionplc blocks.

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Revision aDd Test.

Slmldard mdbod of scctioonina as per IS· 696.. Exeil:i:ses for dilfe~cnt •eci.iooal v;ews on the given · orthographic drlwing of rnacl!ine pUts, tasting:~ etc.

Slmldard method of sectioning as per tS-696. E.xcri:iseJJ for difkm~t sccrional views on lhc gi·-cn orthopphic: dnwing or machine parts, casliOD etc.

Inlier cob"""iou or lsdm.ctric 10 otthoppbic. drawings and vict>v<:no. Related problctn5 su.cb as V bloclcHi111>1e str:ppcxl blOCks, bloct oricntcxl by various m8chiriinR. <:~~cmtions etc.

Ratio lllli proportbns, Ratio, finding fotlllS and ralio proportioos diretl and indirect JKOporiions.

Application or ratio ~lXI propoftion to shop probleniS.

M"ixed dired and indirect proportion problcltl!l.

Machints-bulc principles, velocity nltio, mechanical •dViinlagc, cf6cicncy. Related simple J]I'Oblemt.

·Algebraic symbols & fundamental algebraic o~tiotU Jigns & sYmlxlls t~ in algl:bn, w-cf6tieot, tCf1115 like tcnns & urtli~t . ICIIIlS-

Add[tillll, subtractioo, multiplicarioo a11d dlvisiiln,

Log~lhm & AtlliiOf!llrillun. Problerm oo logltithms.

ProblCITII 011 wort, power &euergy. --

-db-Ratio & perecnbp and relaled problems.

Meaning of stress, strain, clastieity, 1t11Sile

ilfopcnles. . -d~

Meaning of stress, scno.in, clasticiiJI, tcmi.le pro~i~. . Stteso ond its i,..,.,rtant f•etors example. Revision and Test

Simp!" machines like winch pul ley & Crnq>dund ul" ctt.. with examples.

Pa<tors and cqtlJI.Iio..., of algebraic fOrmula.

Factors and .oqUlltioru types of factorizations.

sl3ndJM atld llleii.Silf1:<ncul:!l equations simple simulllliCOils qnodratic eqt~>lioos.

1\ lmosplttolio ~K=ilre, pressu g.tlllgc, ~~~~ge pressure ct. absolut: J'l"t;SSUre.

Applicatiou-comtnJctioo BDd solution of pt®tem by oqoatioris.

lntro<klc:tioo t milling macltine, de111onstntion on wllfking principle, setting of job, selling of cuttCf in ubor setting of vice on tab~ Safety poin . to be Qbscrvtd while wocking a milling m chine,

Sequence of milling si fJ ocs of a solid block. Cbeo::king lbc a.c:tlttllcy wit.h the help of try-squ11re scribing block "''ld vernier heigh! gaug~::,

Step milling U$i~ ~idQ aod face cutter chlld:ing with micro~m:tcr.

S!Jjlddlc ilDd &alii qJ.illin open~ions including UJ milling and down ~trilling .

Milling oonca1·e and COII\U&urfaces.

lmroduclioq to ind~~ing head types, setting ••ld alignina of indexing b~ with refcrern:e to job WI milling nuch[nc.

Milling Sf.!JWe ~nd bcxaeonal job. by si~le indcxill8 mclhud. Milling dO\'Ctail and ' T'siOIS boil1 male and felllille rna~ng nch other. Milling Rack ofstn.i$111 ~tl~

Milling of !iJ~Ur g?(~ying C\'CII an~ odd nullW oftcctP.

Introduction 10 grinding machine sumcc grindu, cyli:ndrical gM!et. Dri 'n& ~ feed . mecftat)ism, job holding dcvi= l'flOllnlingof lliu:els. Wheel b>lancina & truills- Grinding of p:ifllllcl and sll!ppcd jobs. Ores ing of

Lllri.!!di!lz 1111w!cls. __

Sluping key way on gears od p lley blocks.

'T' slol!l cutting i.n shapi11g nmchioc.

Cross Dcmn il culling on shlpcr.

Shaping cnm domail.s rnatlng jobs male and fc:rn:alc .

Sf111ping of Cllsting johs, u.sing angle plate, j ck and cll~s. Machining of ii'Ttgular shaved intricate ca~lillJ! .

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Mill ins maehiue i111fl011ance of milling lntcrcom'CISioo of isometric, obliquo n~binc, types ll!ld specification or inilling dtawings 1o ortb<l apbic drawings and machine, driving uld feed mcchani9m of vice. van. Rel!tcd .Jiroblm5 sucb . as V o¥Jiing machiM blocks, aimpl.c Stt(Jpcd blocks, · block

oriented by 'l'lrious machining opcralio!IS etc.

Classilication &: different lypCS or milling ~o-cutt 1 their use. Pam and llllllle!ll;larure.

Vernier hei lJI aauac COJ~truction, Free l~nd sketch of $ediooal tools. grad~ns vernier s !lin & readinlf, vernier be1'Cl protractor, coJISiruction ~~r~duuion seolng and re3ding. are and maintc:oonce of vetuier )Jejgbt gauge and J>el~j proiJB.ClQr.

Piffcrcm f11ilting opcra.tions plpin-fac~. ~UI'f, fonp,, slot, ~ang lf!d s~ddlc millill8 ct~ pan~~~ ~)lin~

'ln~p~ion or !lso~tric , obl,!que ~WIDg 10 ~c ~wipp and ~c. ~·. kcJ4frA l'!Jli!felll'J S_!ICit \\? V biQd. simple s:tqJpcd blOch, blocks orlcnled by V!lrious llWlhining ~.

qi~rcnt types flf !JU.llj~ ~llaphments .a!lq .. ~~. (!cre~o·l of jrn.plc ~rueJrical lbcLr~ . . , . solids li](e cube, ~!lgulllr blod, cone,

· · pyramid, cylitlder, prisln_ e1e. lndexire·inll'Oduetion & types. lndc::llill~ bead·c 1 tiiiC!iWinl details, fun~i9q of indexing plates and tbe ~tor ~· Calcullltlon for varioos types otiodcxini; •. , '

(;Qr introd!CtiOII, USC and lyp , Elements of a spur gear. Oeu tootb of each fonns ()peS, merits and demerits of each. Spur gear calculilions, cuMS aod I heir IISes.

Qrinfong , IIUI~~Jil: Jnbwt~i=!~Oil type$, spcci ficali9n. tffi:ir ~ , ~!Jd fl!nt.tions &: uses. Safety points to be oh$~ wbile working oo a Grinding ll'to)C~Irne.

Types of Abrasives and their 11Ses, Glnin& and loading of wbecfs. Explain lite

. ... ~q:. - ,.

., . ' ~o-

lnteipctlelntioll of solids md c.mvcotion~ application of iolci'SectiOnal curves on dniwings..

-.lo· F.ec Uod ~~lcl1cs/<klay.oitWt of ~teu- tooth. Sohal ion ofNCVT T~ rlll'« (f~indlllll)')

Revision.

importlnee and occcssi.!l'. o=f_,_q~=i""-ty'--, ___ _._ __

Speti I tools - use and precautions 'to be Rivcllldjoi nt~- Diffi en! types. obsuveiJ f01 Shll{ling internal keyways <l<wetaits & 'T slo15. Vrio Ioria! for s' le poirit cutting Riveted joints- Ditrerecll types, tOOl$, tipped tool.s, their bratins and · grinding process. Tool angk!s and their effect on cullin_g_ various mateno.ls, Cutting speed, ~bed, depth of ~~ ror Sketches of keys, couer &. p 'n joltts. slottinR. shaoinl! and tillll calculation. Cl!eekillg of dovetail groo\'CS with vernier Sketches of keys, eouer &. pin joilti. caliper and roller. Their calculations rid u.sc ' or sine bar, slip . gauge and dial 1Cl51

indicatot . . Propcrtits of mctafg pral idea of Sketches for simple pipo tmiolli with simple physical, mcclwtical proponies or metals, pipo line drawing,. colour, weight, bnrdncss toughness, lliClllCllbility, ductility their effect on

_ ~chi~ !bility. - ---

Power.& introduction to e.xponcnt & laws ofcxponcnL

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Arilbmeti"'l opCI'IItions ini'Oiving logarithms in !fie comput~ti ns.

Problfrm related 10 trade usina lo~lhm tables.

Qenslty of ~!ld and liqui~s-rolated simple problam.

S~ific gr1vity principle of An:he~ies.

Jtclatioil between specific g,avity and de.uit\1. Rcllted sitqJic problCIII!i. G~. - Fundamental &eocnclrical definitions 3flsles alld properties of 11\SI.cs, man~~~ properties oftrl~~~~gles.

~&¢as ~Cil\ pTOpel'lies Of similar triangles.

Solution of !I.'CVT Tc:sl Paper (Prclimi.na!y)

Revision.

Quantity f speciftt heat of solids, liquids 1

8t gases..

I Hefll loss Btld heat gam with simple 1 problem.

MciiSuntions, plain llgttes-triangles, squan: reaa.np.Jes, pmllclol',llm. Plain fisutes trapeiium, rogubr polygons, circle boOo circles,

Plain ftg~HtS segment and sector or circle, elli:pse fillets.

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Macbine of cuJVCS on a $louin rn8chine. SloULu ofa double cnded.s,Wrmer.

<1lo-Slottiqt in!Cmal & external opcrntions. Machin~1g of interml &plirle and cxtcmal Sill inc on sloner uses 10 nnld1 cacll orl1cr. Cutting cxtcm I and lntcrnal spur gear on slotrcr use of romry lllblc..

Slotting regular ~ irregular job and con10urs 111d sprockets.

PlannJng lOf\g jobs luning 'T' slol$ and dovetails grooves.

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··~P.I of .ssembly drawing and detailing . lntetthaqge ility - Limit, Fit, :Tolm~ .. ~le.-.assa"lleS ·and their details of trade and •llov,~,~e~ ~~ t~obs/ exercises widl lhc

diluc~ .l f~ lhc given SUllple ·or models. Tool pOst for the Jad~e v.ith washer

· aJXl 5CIC<\Y.

-do- Free hand sk~ of V-blo4s with cl~~~ms.

Jnbodud:ion alllllhcir index in • proce.s:s on a Deuils and asscdlly of V- blcds with slone:r by its rotaJ"Y tattle l!I'Bduations. cl~.

Form tool for slotting machines. Calculation Deuil assembly of shaft nd puDeys. for $flUr gear in rcl31ion to gradu rion of circular table. C41cuJali011 f~r CUitillg sprocket .00.

lool selling fo r dovetai l use of rclmn1 tool ~rail$~ 11S$tmbly ora $imple hand vice. atxl !heir giinding process. Aligrntleut or long jobs wi,1h precision inslrurnents.

Material wei &fit am cost problems rdated to lrac;le.

l'rigonorrelry, Tris:o"oll'drical ratios use of tri~nom::cr~ table. Area oftriaog:le by IJiionometry.

Filldi.. It igbt and dis lance by trigonometry.

Applic tion O{ llii!OOODJCtry Ill shop proble1111.

Application of tngonon'l!try lo shop j

problems .