Vertical boring machine
Horizontal boring machine
Precision boring machine
Jig boring machine
B. Horizontal boring machine
Bevelling the extreme end of a workpiece
Embossing a diamond shaped pattern on the surface of a workpiece
Reducing the diameter of a workpiece over a very narrow surface
Machining the ends of a workpiece to produce a flat surface square with the axis
Mild steel
Alloy steel
Pig iron
Chilled cast iron
Up milling
Down milling
Face milling
End milling
ARC
Short ARC
ARC length
ARC blow
Pantograph milling machine
Profiling machine
Planetary milling machine
Piano miller
Internal tapers
Small tapers
Long slender tapers
Steep tapers
Wear resistance
Red hardness
Toughness
All of these
High metal removal rate
Dry machining
Use of soft cutting tool
Surface finish
Only hob rotates
Only gear blank rotates
Both hob and gear blank rotates
Neither hob nor gear blank rotates
Strength of the metal decreases but ductility increases
Both strength and ductility of the metal decreases
Both strength and ductility of the metal increases
Strength of the metal increases but ductility decreases
Wheel is too hard or wheel revolves at a very high speed
Wheel is too soft or wheel revolves at a very slow speed
Wheel is too hard and wheel revolves at very slow speed
Wheel is too soft and wheel revolves at a very high speed
Materials
Types of gears
Number of teeth
Width of gears
It can not be used on old machines due to backlash between the feed screw of the table and the nut.
The chips are disposed off easily and do not interfere with the cutting.
The surface milled appears to be slightly wavy.
The coolant can be poured directly at the cutting zone where the cutting force is maximum.
Water
Soluble oil
Dry
Heavy oils
Drill a hole
Finish the drilled hole
Correct the hole
Enlarge the existing hole
Between the upper and lower critical temperature and cooled in still air.
Above the upper critical temperature and cooled in furnace.
Above the upper critical temperature and cooled in still air.
Between the upper and lower critical temperature and cooled in furnace.
Electrochemical machining
Ultrasonic machining
Electro discharge machining
Laser machining
Free from corrosion
Stronger in tension
Free from stresses
Leak-proof
Same
Low
High
None of these
Depth of cut
Cutting speed
Feed
All of these
Feed rate, depth of cut, cutting speed
Depth of cut, cutting speed, feed rate
Cutting speed, feed rate, depth of cut
Feed rate, cutting speed, depth of cut
Carbide, ceramic, cermet, borazon
Ceramic, carbide, borazon, cermet
Cermet, carbide, ceramic, borazon
Borazon, ceramic, carbide, cermet
Mismatch
Under fill
Crack
Porosity
Rake angle
Cutting angle
Clearance angle
Lip angle
Tool is stationary and work reciprocates
Work is stationary and tool reciprocates
Tool moves over stationary work
Tool moves over reciprocating work
Increase in coefficient of friction
Decrease in coefficient of friction
Decrease in roll radius
Decrease in roll velocity
10 r.p.m.
20 r.p.m.
120 r.p.m.
180 r.p.m.
Direction of the tool axis
Direction of tool travel
Perpendicular to the direction of the tool axis
Central plane of the workpiece
Sensitive drilling machine
Radial drilling machine
Gang drilling machine
Deep hole drilling machine
Sprue base area: runner area: ingate area
Pouring basin area: ingate area: runner area
Sprue base area: ingate area: casting area
Runner area: ingate area: casting area