National Instructional Media Institute (NIMI) creator DGT, MSDE, Govt of India text xxu Chennai National Instructional Media Institute (NIMI) 2016,c2014 monographic eng

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122 Contents : Module 1 : Taper Turning -Lathe operation -Standard tapers and the users -methods of turning taper on lathe -Taper turning attechement -Measuring angles with vernied bever protractor -Boring and reaming Module 2 : Eccentric Turning -Vernier height gauge -Vernier height gauge Module 3 : Thread Cutting -Screw thread -definition ,purpose and terminology -Screw threads -types of V threads and their uses lathe operation -knurling -Hand chasers and their uses -Lathe operation :threads cutting -simple and compound gear trains thread cutting :gear calculation for cutting thread on -British lathe and vice versa -Threads :catching of threads -Metric thread chasing dial -"Vee" threads -Hand taps and wrenches -Pipe thread and wrenches -Screw thread measurement(gauge) -Screw thread measurement (flank angle from ) -Thread cutting on lathe by single point cutting tools -Change wheel calculations for fractional pitch threads -Types of threads (square and trapezoidal threads -Determination of the effective rake and clearance angle for tools set above or below the centre height time -Cutting tool materials -Different type and specifications of carbide tools -Speed calculation for carbide tools -Tool geometry for carbide tools -Factors to be followed while using carbide tools -Carbide throw -away tip tools -feature -shapes -Types of carbide throw -away tip tool -holders -The chip breakers and their uses -ACME thread -Square thread -Chart for metric B A width worth threads -Soldering -Flux -Safety in gas cutting process -Oxyacetylene cutting equipment -Safety precautions in handling gas welding plant -Systems of oxy -acetylene -Gases used in gas welding -Type of oxy -acetylene flames -Acetylene gas generation -Methods of cleaning before welding -Welding nozzels -sizes and selection -Welding terms(Fusion n.molten pool,penetration -Filer rods for gas welding -Common metals .alloy and their melting points -Related welding terms,flashback, backfire -Welding (fusion , Non-fusion and pressure ) -Safety precausions during arc welding -Arc-welding tools and accessories -Arc-welding tools and accessories -Types of 'T' lap and corner joints -Welding symbols -Braze welding method -Filler rods and fluxes for braze welding -Melting points of common metals -Methods of cleaning (for Brazing ) -Braze Welding -Methods of brazing carbide tips Production & Manufacturing 621.81 TUR CTS193 National Instructional Media Institute (NIMI) BSDU 170712 20190510102741.0 English