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What is ultrasonic spot welding head: Ultrasonic spot welding head is general designation of all ultrasonic transmitting terminals ans an indispensable part of ultrasonic welding equipment. Its function is to couple the ultrasonic wave generated by the transducer into the processed object. Because it needs to transmit ultrasonic wave, the spot welding head must work in the resonant condition, that is, its natural resonant frequency should match the transducer. Secondly, the amplitude should be uniform, and the shape of the end face of the spot welding head should adapt to the shape of the welded work-piece.The material of ultrasonic spot welding head is basically made of titanium alloy, magnesium alloy or powder metallurgical steel, etc.
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