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PRODUCTION
Lathes
Type of lathe
1. Bench lathe
2. Speed lathe
3. Engine lathe
4. Tool room lathe
Automatic lathe
Work holding device
Tool holders
Operation
Application
Time estimation
Bull gear
Types
Specification
Operation
Planner
Types
1. Standard planer
2. Open slide planer
3. Divide table planer
4. Pit planer
Drilling
Types
1. Portable drilling machine
2. Sensitive drilling machine
3. Up-right drilling machine
4. Round column
5. Box column
6. Radial drilling machine
Terminology
Drill geometry
Helix angle
Lipe angle
Clearance angle
MILLING
Types
1. Column knee type machine
2. Hand drilling machine
3. Plain milling machine
4. Universal milling machine
5. Omniversal mm
6. Vertical mm
Method of milling
1. Peripheral milling
a. Up milling
b. Down milling
2. Face milling
3. End milling
Bond
Resinoid bond
Silicate bond
Rubber bond
Shellac bond
Types of GM
1. Surface grinding machine
2. Cylindrical GM
3. Centre GM
4. Special GM
Feeding system
Super finishing
Lapping
Burnishing
Honing
Maching method
Finishing method
Miscellaneous method
Types of locating pine
Principle of climbing
Types of climb
Types of drill jig
Types of fixtures
Design principle of JF
Application
USM (ultra sonic machine)
ECM
ECG
EDM (electric discharge machine)
IBM (Ion Beam Machine)
Types of co-ordinate system
Apt (automatically programmed tool)
Welding
1. Solid state
a. Cold
i. Pressure
ii. Ultrasonic
iii. explosive
b. Friction
c. Diffusion
d. Hot forge
2. Liquid state
a. Electric
i. Arc
ii. resistance
b. chemical
i. gas
ii. thermit
3. solid\liquid
a. brazing
b. braze welding
c. soldering
Types of joints
MIG welding
Heat balance
Electrodes
Related process
Welding detects
Duty cycle
Material science
1. micro structure
2. macro structure
crystal structure
ALLOTROPY
Miller indices of planes
Properties of miller indices of planes
Density calculation in crystal structure
1. volume density
2. planar density
3. linear density
structural imperfection
1. point defects
2. line defects
3. surface defects
4. volume defects
Grain boundaries
Properties of GR
Strengthering mechanisms
Classification of alloy binary alloys
Cooling curve of pure iron
Some critical temp line and their significance
HEAT TREATMENT OF STEEL
1. annealing
2. normalizing
3. hardening
a. surface hardening
b. carburizing
c. nitriding
d. cyaniding
e. flame hardening
f. induction hardening
Effects of alloying elements
Phase diagram
Characteristics and application of ceramics
Structure of ceramics
Zinc blende structure
Characteristics and application of plastic
Degree of polymerization
Theory of metal cutting
Advantages
Drawbacks
Turning
Discursion of rack angle
Positive rake
Negative rake
Zero rake
Clearance angle
Orthogonal cutting
Velocities in metal cutting
Geometry of single point turning tool
SCEA and lead angle
LIP angle
Critical correlation
Cause of chip formulation
Types of chip
Effects of BUE formation
1. harmful effects
2. good effects
Reduction of BUE
Analysis of metal cutting
Limitation of use of MCD
Merchant analysis
Merchant theory
Theory of lee and Shaffer
Force relation
Turning operation
Orthogonal turning
Metal removal rate
Friction in metal cutting
Types of dynamometer
Strain gauge dynamometer
Economics of metal cutting
Ring gauge
Neutral point and neutral plane
Smith forging
Analysis of forging
Theories of plasticity
1. tresca’s theory
Extrusion and drawing
Sheet metal operation
Casting
Classification
Advantages
Limitation
Selection of the manufacturing process
Types of pattern
Properties of moulding sandelements of gating design
Pressurized gating
Types of risers
Position of riser
Chills and padding
Moulding materials
Investments casting
Application
Centrifuging
Cleaning and casting
Moulding materials
Furnance
Shaper
Problems
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