Unit I FOUNDRY TECHNOLOGY
Chapter 1.1: Foundry: Pattern – Pattern Materials – types – single piece (solid) and
split type only – allowances – moulding – moulding tools and
boxes – moulding sands – classifications and properties-core – CO2core making.
Melting of cast iron – cupola furnace – Melting of nonferrous metals – crucible
furnace melting of steel – Electric arc furnaces.
Chapter 1.2: Casting: Definition – sand casting using green sand and dry sand –
gravity die casting – pressure die casting – hot and cold chamber processes –
centrifugal casting – continuous casting– defects in casting – causes and remedies
-cleaning of casting and safety practices in foundry

Unit II WELDING TECHNOLOGY
Chapter 2.1: Arc Welding and Gas welding: – Arc welding definition – arc welding
equipment – arc welding methods – Carbon arc, metal arc, metal inert gas (MIG),
tungsten inert gas (TIG).

Gas Welding: Definition – Gas Welding Equipment – Oxy and acetylene welding –
Three types of flame.
Chapter 2.2: Resistance welding and welding related processes: Resistance welding
– definition – classification of resistance welding – butt – spot –seam -projection
welding – welding related processes – oxy and acetylene cutting – arc cutting – hard
facing – bronze welding – soldering and brazing.
Destructive and nondestructive types of tests – magnetic particle test – Die
Penetrant test – radiographic and ultrasonic test – defects in welding – causes and
remedies – safety practices in welding.
Unit III FORGING AND PRESS WORKING
FORGING AND PRESS WORKING
Chapter 3.1: Forging: Hot working, advantages of hot working – hot working
operations – rolling – forging – hammer or smith forging, drop forging, upset
forging, press forging – roll forging
Chapter 3.2: Press Working: Types of presses – mechanical and hydraulic presses –
press tools and accessories – press working operations– bending operations –
angle bending – channel bending – curling –drawing – shearing operations –
blanking – piercing – trimming – notching –lancing – shaving – parting off

Unit IV POWDER METALLURGY AND HEAT TREATMENT
Chapter 4.1: Powder Metallurgy: Methods of manufacturing metal powders –
atomization, reduction and electrolysis deposition – compacting –sintering – sizing
– infiltration – mechanical properties of parts made by powder metallurgy – design
rule for the powder metallurgy process.

Chapter 4.2: Heat Treatment: Purpose – procedures – applications of various heat
treatment process – Iron carbon equilibrium diagram Annealing – Normalizing –
hardening – tempering –quenching medium – different types of quenching medium.

UNIT V WORK HOLDING, TOOL HOLDING DEVICES AND POWER TOOLS
Chapter 5.1: Work Holding Devices: Chucks – Centres – Steady Rest – Follower rest –
Face Plate – Catch Plate – Drive plate – carrier – Mandrel – Machine Vice – V block – T
Bolts and Clamp – Angle plate – Indexing head – Description and uses.
Tool Holding Devices: Four way tool post – Turret indexing – Arbors – Adapter – Drill
chuck – Sleeve – Socket – collet. Description and uses.
Chapter 5.2: Power Tools: Classification – Hand drill- Hammer Drills- Angle Grinder –
impact wrench – Circular saw – Chain saw – Jigsaw – Power/impact screwdrivers –
Electrical Screwdrivers. Cutters: Craftsman cutter – Reciprocating cutter.