Process Selection :
The points which should be looked before the selection of these process are as below :
The points which should be looked before the selection of these process are as below :
- Physical parameters.
- Properties of the work material and shape to be machined.
- Process capability or machining characteristics.
- Economic survey.
Process
|
Aluminium
|
Steel
|
Super
alloy
|
Titanium
|
Refractories
|
Ceramics
|
Plastic
|
Glass
|
USM
|
G
|
F
|
P
|
F
|
G
|
G
|
F
|
G
|
AJM
|
F
|
F
|
G
|
F
|
G
|
G
|
F
|
G
|
ECM
|
F
|
G
|
G
|
F
|
F
|
N
|
N
|
N
|
CHM
|
G
|
G
|
F
|
F
|
P
|
P
|
P
|
F
|
EDM
|
F
|
G
|
G
|
G
|
G
|
N
|
N
|
N
|
EBM
|
F
|
F
|
F
|
F
|
G
|
G
|
F
|
F
|
LBM
|
F
|
F
|
F
|
F
|
P
|
G
|
F
|
F
|
PAM
|
G
|
G
|
G
|
F
|
P
|
N
|
P
|
N
|
Where
G = Good
F = Fair
P = Poor
N = Not applicable
The processing capability or machining characteristics can be analyzed with respect to :
The processing capability or machining characteristics can be analyzed with respect to :
- Metal removal rate obtained.
- Tolerance maintained.
- The surface finishes obtained.
- Depth of surface damage.
- Power requires machining.
- Capital cost.
- Tooling cost.
- Consumed power cost.
- Metal removal rate efficiency.
- Wear of tooling.