What is the minimum frequency used in ultrasonic welding?(a) 10,000 Hz(b) 20,000 Hz(c) 30,000 Hz(d) 40,000 HzThis question was addressed to me in a national level competition.My question is from Solid State Welding topic in section Welding and Related Processes of Casting-Forming-Welding II

What is the minimum frequency used in ultrasonic welding?(a) 10,000 Hz

1.	What is the minimum frequency used in ultrasonic welding?(a) 10,000 Hz(b) 20,000 Hz(c) 30,000 Hz(d) 40,000 HzThis question was addressed to me in a national level competition.My question is from Solid State Welding topic in section Welding and Related Processes of Casting-Forming-Welding II
Answer» RIGHT option is (b) 20,000 Hz The best explanation: The PROCESS of ultrasonic welding is mainly used for the joining of similar metals or dissimilar metals using vibration energy, by way of high FREQUENCY. The MINIMUM frequency NEEDED for this purpose is 20,000 Hz.

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What is the minimum frequency used in ultrasonic welding?(a) 10,000 Hz(b) 20,000 Hz(c) 30,000 Hz(d) 40,000 HzThis question was addressed to me in a national level competition.My question is from Solid State Welding topic in section Welding and Related Processes of Casting-Forming-Welding II

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