Silicon carbide
Sodium silicate
Boron carbide
Aluminium oxide
The metal removal rate is high
High surface finish is obtained
High form of accuracy is obtained
High degree of tolerance achieved
Resinoid bond
Rubber bond
Shellac bond
Silicate bond
Types of wheel bond fracture
Types of wheel grain fracture
Sticking of small particle on grinding wheel
None of the above
35
60
90
5
120
187
125
70
Improve the surface finish
Increase productivity
Improve cutting efficiency
Reduce vibrations and chatter
Grinding
Drilling
Planing
Turnig
Up (climb) milling provides better surface finish while down milling provide longer tool life
Up milling provides longer tool life while down milling provide better surface finish
Up milling is provide both better tool life as well as better surface finish
Down milling provide better surface finish as well as longer tool life
Aluminium oxide
Silicon carbide
Cubic boron nitride
Cemented carbide
They reduce non productive time
They reduce fixturing
Niether 1 nor 2
Both 1 and 2
Compression moulding
Extrusion with mandrel
Injection moulding
blow moulding
Moulding
Laminating
Casting
Calendering
Styrene butadiene rubber
Butyl rubber
Nitrile rubber
Any one of the above
Infilteration
Impregnation
Plating
Sintering
Copper wire
Graphite
Brass wire
Tungston wire
Plastic shear
Melting and vapourization
Erosion and brittle fracture
Corrosive reaction
Fracture in room temperature below their recrystallization temperature
Brittelness in room temperature below their recrystallization temperature
Loss of ductility above recrystallization temperature
Decrease of brittleness in room temperature
18 W 4 Cr 1 V
12 Mo 1 W 4 Cr 1 V
6 Mo 6 W 4 Cr 1 V
18 W 8 Cr 1 V
Tunsten Carbide only
Tungsten carbide and titanium carbide
Tungsten carbide and cobalt
Tungsten carbide and cobalt carbide
increasing the centre distance of bull gear and crank pin
Decreasing the centre distance of bull gear and crank pin
Increasing the length of arm
Decreasing the length of slot in the slotted lever
7.5 π m/s
15π m/s
45π m/s
450π m/s
Finishing a drilled hole
Producing a Large hole without drilling
Truing a hole for Alignment
Enlarging a Drilled hole
V-threads
Whithworth threads
Buttress threads
ACME threads
Chip thickness ratio
Forces during metal cutting
Wear of the cutting tool
Deflection of cutting tool
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