8. Parameters that affect usm
Frequency
Proportional
Amplitude
Proportional
Types of the
abrasives
Slurry
Concentration
Grain Size Hardness ratio
Tool & Work piece
9. Advantages
• Brittle & hard
materials
• No burr &
No distortion
• Non-thermal
• Conductive &
non-
conductive
• Non-
chemical
• Semi-skilled
operator