Profile milling
Gang milling
Saw milling
Helical milling
B. Gang milling
Tungsten carbide
Brass or copper
Diamond
Stainless steel
Cutting key ways on shafts
Cutting external screw threads
Cutting teeth of spur gears
All of these
Has less number of teeth
Is short and stocky
Removes less material for each pass of the tool
All of the above
Making a cone-shaped enlargement of the end of a hole
Smoothing and squaring the surface around a hole
Sizing and finishing a small diameter hole
Producing a hole by removing metal along the circumference of a hollow cutting tool
By which the face of the tool is inclined towards back
By which the face of the tool is inclined sideways
Between the surface of the flank immediately below the point and a plane at right angles to the centre line of the point of tool
Between the surface of the flank immediately below the point and a line drawn from the point perpendicular to the base
From left to right end of the lathe bed
From right to left end of the lathe bed
With the help of a compound slide
Across the bed
Tool geometry
Cutting speed
Feed rate
All of these
A set of grid points on the surface
A set of grid control points
Four bounding curves defining the surface
Two bounding curves and a set of grid control points
Feed the casting at a rate consistent with the rate of solidification.
Act as a reservoir for molten metal
Feed molten metal from the pouring basin to the gate
Help feed the casting until all solidification takes place
L-type slots
T-type slots
I-type slots
Any one of these
3 to 12 mm
5 to 20 mm
8 to 30 mm
15 to 40 mm
Increases
Decreases
Does not effect
None of these
Incomplete fusion
Lamellar tearing
Mismatch
Shrinkage void
Tapered surface
Flat surface
Internal cylindrical holes
All of these
Decreases with increase in gap between the two joining surfaces
Increases with increase in gap between the two joining surfaces
Decreases up to certain gap between the two joining surfaces beyond which it increases
Increases up to certain gap between the two joining surfaces beyond which it decreases
Metal forming process | Types of stress |
---|---|
1. Coining | P. Tensile |
2. Wire Drawing | Q. Shear |
3. Blanking | R. Tensile and compressive |
4. Deep Drawing | S. Compressive |
1-S, 2-P, 3-Q, 4-R
1-S, 2-P, 3-R, 4-Q
1-P, 2-Q, 3-S, 4-R
1-P, 2-R, 3-Q, 4-S
0.20
0.30
0.50
0.60
Spindle
Arbor
Column
Knee
High metal removal rate
Dry machining
Use of soft cutting tool
Surface finish
Tool steels
Sintered carbides
Glass
All of these
Mild steel
Copper
Aluminium
Brass
One-half
One-fourth
Double
Four times
Diamond is very hard and wear resistant
It occupies very little space
It helps in assembly with tolerance on centre distance
It has a long life
Cemented carbide
Ceramic
Cast iron
All of these
350°C
500°C
900°C
1100°C
90°
118°
135°
150°
Up milling
Down milling
Face milling
End milling
Mild steel
Cast iron
High speed steel
High carbon steel
Straight fluted reamer
Left hand spiral fluted reamer
Right hand spiral fluted reamer
Any one of these
Porosity
Undercut
Under fill
Crack