The maximum thickness of the metal which can be welded using ultrasonic welding is _____________ mm ?
Correct answer: B. 3
- A. 0.5
- B. 3
- C. 10
- D. 25
Explanation
Ultrasonic welding is normally used for thin sheets and components, with a practical maximum thickness of about 3 mm for the materials and equipment covered by standard manufacturing data. The larger values are more typical of conventional fusion or pressure-welding applications.
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