How to detect the quality of ultrasonic transducers

Date:Aug 24, 2018

How to detect the quality of ultrasonic transducers

Ultrasonic transducers are the heart of ultrasound products. The electromechanical equipment is especially important. It converts the high-frequency and high-voltage power supplied from the electric box into mechanical vibration. The power output can reach several kilowatts at most, so its stability and power output are very important to the operation performance of the whole machine. Valuable, it is the key to embody the value of the entire equipment.

1. can be identified from the production process and appearance of ultrasonic equipment; it directly reflects the company's emphasis on product quality, The product in good process and appearance will naturally be better in quality (but not absolutely). And the design process directly affects product quality.

2. can be identified according to the process design of the ultrasonic equipment and the use of materials; however, this requires a good understanding and experience of the transducer materials. Whether the design is reasonable or not should be determined according to the materials selected. The quality of the materials directly affects the quality of the products. The reproduction of the plates is not necessarily the same. If the materials of the same specifications are different, the quality will be very different, and the poor materials with the best process also can't make good products.

3. Parameter detection; whether the transducer parameters are matched with the parameters of the electrical box, whether it can achieve the desired effect. (Professionals who are familiar with the use of equipment parameters).

4. the machine experiment:

a, power output experiment; it can detect the matching of the transducer and the electric box, and at the same time can reflect the size of the load power output of the electric box. The larger the working effect of the mold belt, the better the power output. . (The current magnitude can only reflect the output efficiency and does not represent the power of the device).

b. Stability test (simulated aging test); power output stability of the electrical box and transducer with rated load on the equipment.

c. Overload operation test; test product quality stability and life. This test only needs to carry the rated load for 8 hours without interruption. At present, there are still few in China, because the quality of the products is not good enough to pass the test, and it will be scrapped after detecting for dozens of minutes. However, it can still be used on plastic welding machines for about a year. Our company added this project after the products improvement, it directly reflects the stability and life of the transducer, so it can improve the quality of the product according to the test results, and can withstand the minimum service life of the transducer on the plastic welder up to five years (true to international standards).

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