company news about How to solve the hot problem of the upper mold of the ultrasonic metal spot welding machine?

How to solve the hot problem of the upper mold of the ultrasonic metal spot welding machine?

Nowadays, ultrasonic welding is often used in industrial welding. However, due to various factors, the upper die of the ultrasonic metal spot welding machine may become hot during use. Let’s share with you the solutions below. The details are as follows:

1. The ultrasonic upper mold is normal, but it still gets hot frequently
This problem may be caused by the operating environment of the machine. The ultrasonic welding machine should be placed in a ventilated and cool place and ensure that the welding head can dissipate heat in time.
Solution: Place a trachea next to the welding head to assist in heat dissipation.

2. The greater the impedance of the vibrator, the energy cannot be transmitted to the product.
The vibrator is composed of a transducer and a titanium alloy horn. After a long period of use, the transducer may experience performance degradation (increased impedance), resulting in a reduction in the conversion efficiency of energy and power, causing hotness.
Solution: You can find the original manufacturer to repair or replace the transducer.

3. The ultrasonic upper mold is damaged and the frequency changes greatly
Since the ultrasonic upper mold is in direct contact with the product, it will wear out after long-term use and cause the frequency to change. Or maybe the upper mold has small cracks that cause the upper mold to become hot due to excessive current.
Solution: Find the original manufacturer to repair the mold or replace the mold.

4. The ultrasonic power board does not match the vibrator
The new type of intelligent ultrasonic welding machine has a power board to control the power and other parameters. When the parameters do not match the required parameters of the vibrator, it will become hot.
Solution: Because the ultrasonic welding machine will be debugged before coming out of the machine, this kind of situation is rare. After eliminating the first three problems, find the original manufacturer to replace the control system.

The heating of the ultrasonic upper mold (HORN) is a normal phenomenon, because the ultrasonic welding machine mainly generates heat through vibration and friction, so that the parts of the product that need to be welded are melted and riveted, and a lot of heat is generated during the operation, and the heat will quickly dissipate after the riveting is completed. 

If the ultrasonic upper mold is hot frequently and continues, it means that there is a problem with the parts. We mainly need to check the upper mold itself, the vibrator (the combination of the transducer and the horn is called the vibrator) and the ultrasonic power board The problem.