WorksheetsUltrasonic machining processes
Total questions: 15
Worksheet time: 7mins
Ultrasonic machining is a
mechanical material removal process
chemical material removal process
electrical material removal process
thermal material removal process
Ultrasonic machining is not suitable for machining
Glass
Ceramics
Semiconductors
Steel
IN USM abrasive particles are suspended in a
oil
Slurry
Water
gas
In USM material removal takes place by
laser action
erosive action
abrading action
chemical action
Typical frequency of vibrations given to USM tool is
2-4 kHz
10-20 kHz
200-400 kHz
20-40 kHz
Energy source mainly responsible for material removal in USM is
impact of abrasives
frequency of vibrations
amplitude of vibrations
none of the above
In USM there is no direct contact between tool and workpiece
Yes
No
Sometimes the tool will be in contact with workpiece
none of the above
Soft materials like lead and plastics are not suitable for machining by USM
No
Yes
The USM process
consumes higher power, lower MRR
consumes higher power, higher MRR
consumes lower power, lower MRR
consumes lower power, higher MRR
In USM high frequency electrical energy is converted into mechanical vibrations through a
Transporter
Transmitter
Transformer
Transducer
The shape of tool used in USM is
Concave shape
Convex shape
Flat shape
shape like the cavity to be produced
Which of the following is not a sub-system in USM
Transducer
abrasive
Tool
None of the above
The trunk of the ultrasonic system is also called as
shank
horn
amplifier
all of the above
USM not works on the principle mentioned below
Peizo-electric effect
Magneto-strictive effect
electro-strictive effect
Hall effect
The heart of the whole USM equipment is
power supply
tool
slurry
Acoustic head
