Question

What is the maximum thickness that can be welded in ultrasonic welding?

(a) 1.8 mm

(b) 2.1 mm

(c) 2.3 mm

(d) 2.5 mm

I got this question at a job interview.

This intriguing question originated from Solid State Welding in division Welding and Related Processes of Casting-Forming-Welding II

Answer 1

Right answer is (d) 2.5 mm

Explanation: Weldings such as spot welding or continuous seam welding can be done through ultrasonic welding. The maximum thickness that can be achieved varies depending on the metal. The maximum thickness can be that can be welded is 2.5mm.