Ultrasonic Cutting Transducer

Ultrasonic Cutting Transducer is mainly used in ultrasonic cutting equipment, ultrasonic atomizing spraying equipment, ultrasonic metal melt processing equipment, ultrasonic welding equipment, ultrasonic liquid processing of ultrasonic chemical equipment and ultrasonic metal fatigue test equipment. The frequency range of high-power ultrasonic transducer is usually between 15KHz~40KHz.
Because of different processing methods and requirements, the working mode of the Ultrasonic Transducer can be roughly divided into continuous work (lace machine,CD sleeve machine, zipper machine, metal welding, etc.) and pulse work (such as plastic welding machine), different working mode of the transducer requirements are different. In general, continuous work has almost no pause time, but the operating current is not very large, pulse work is intermittent, there is a pause, but the instantaneous current is very large. On average, both states are very powerful.

Product features:

Efficient energy conversion: Ultrasonic transducers are an efficient energy converter that can efficiently convert electrical energy into mechanical vibration energy. This efficient energy conversion enables ultrasonic cutting knives to quickly and accurately complete cutting tasks during the cutting process.

Energy saving and environmental protection: Due to the efficient energy conversion ability of ultrasonic transducers, they generate less heat during operation, thereby reducing energy waste. In addition, ultrasonic cutting knives do not require the use of additional coolant or lubricants, thus reducing environmental pollution.

Good cutting effect: The transducer of the ultrasonic cutting knife can generate high-frequency vibration, which can cause the cutting knife to produce small cuts during the cutting process, thereby reducing the damage and edge collapse of the cut material. In addition, due to the vibration of ultrasonic waves, the cutting area will produce fusion, making the cutting surface smoother and smoother.

Specifciation of Ultrasonic Cutting Transducer

FAQ:

The matching problem of ultrasonic power supply, ultrasonic cutting transducer and ultrasonic die

Ultrasonic transducer and ultrasonic power generator frequency, power, impedance, capacitive reactance matching so that ultrasonic transducer and ultrasonic generator driving power, ultrasonic mold good cooperation to form a complete ultrasonic equipment can be referred to as matching. Because the matching on the performance of the machine is decisive, no matter how to emphasize the importance of matching is too much. The most important factor for matching is the capacitance of the ultrasonic transducer, followed by the frequency of the transducer.

It should be emphasized that the ultrasonic transducer itself is not an energy generator, it is only an energy converter. Is to convert electrical energy into sound energy (mechanical energy), in the input (driving power), output (amplifier, ultrasonic mold) well matched premise, it can convert (output) a large amount of energy. Input matching refers to the matching of the transducer and the ultrasonic power supply. If the output matching is good and the input matching is not good, the transducer is weak and the welding is not strong. If the output is not well matched and the input is well matched, the transducer will be overloaded, resulting in wafer dislocation cracking, crushing, screw breakage, aluminum cracking or burning box power tube. For example, if a car is pressed hard on the accelerator in neutral, the engine will be easily damaged.

The matching of ultrasonic transducer and driving power mainly has 4 aspects, namely impedance matching, frequency matching, power matching and capacitive reactance matching. Frequency matching is also important. This is first because the ultrasonic transducer can only work at its resonant frequency point, so the drive power supply, the horn, the welding die (tool head) should all work at this frequency. In general, we expect this difference to be no more than +0.1khz at most, and it would be better if it were smaller. We strongly recommend that the frequency of the supporting welding die (welding head) is lower than the vibration frequency of about 0.1khz (small signal frequency). In other words, if the frequency measured by the small signal of the original vibrator is 14.85khz, then the optimal frequency measured after connecting the mold is 14.75khz. At the same time, it should be taken into account that after the ultrasonic transducer is connected to the rod and the die head, the resonant frequency summit of the system becomes very sharp, that is, the bandwidth is very narrow, the mechanical quality factor is very large, and the frequency offset will cause a great increase in impedance. Performance in the driving power supply is the power supply (amplitude meter power) or overload protection. If just at this time is no load adjustment, it is likely to cause wafer dislocation, wafer crack or center screw break. Power matching and impedance matching is mainly taken into account that the ultrasonic welding system is a clearance type work, the load changes greatly, welding should have enough power output, no-load to control at the minimum amplitude. Otherwise, as mentioned earlier, the transducer will be damaged if the input is large when unloaded. Full load power can not go up, welding is not strong or useless.

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