Ultrasonic welding - Productivity is high

Q.  Which of the following statements are true for ultrasonic welding?

1. Productivity of ultrasonic welding is high
2. Thin pieces can be welded to thicker pieces by ultrasonic welding
3. Ultrasonic welds contain foreign inclusions
4. Post cleaning of welds is necessary in ultrasonic welding
5. Preparation required for ultrasonic welding process is very little
- Published on 03 Aug 15

a. (1), (2) and (4)
b. (2), (3) and (4)
c. (1), (3) and (5)
d. (1), (2) and (5)

ANSWER: (1), (2) and (5)

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    Discussion

  • Pankaj   -Posted on 02 Nov 15
    - Ultrasonic welding is carried out with a power source of frequency converter which converts 50 cycle line power into high frequency electric power.

    - The advantages of ultrasonic welding are as follows:

    1. Productivity of ultrasonic welding is high.

    2. Thin pieces can be welded to thicker pieces by ultrasonic welding

    3. Ultrasonic welds are free from foreign inclusions

    4. Post cleaning of welds is not necessary in ultrasonic welding

    5. Preparation required for ultrasonic welding process is very little

    Therefore, among the given sentences, (1), (2) and (5) are correct.

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