Ultrasonic extraction is a technology that uses the mechanical, cavitation, and thermal effects of ultrasonic waves (frequency> 20KHz) to increase the speed of media molecules and increase the penetrating power of the media to extract the effective components of substances […]
The principle and characteristics of ultrasonic extraction of Chinese medicine
January 28, 2021 por rawrubberTags: rubber cutter knife
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Frequency matching is also very important
January 22, 2021 por rawrubberFrequency matching is also very important. This is firstly because the ultrasonic transducer can only work at its resonance frequency, so the drive power supply, horn, and mold (tool head) should all work at this frequency. Generally speaking, this difference […]
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The consideration when using an ultrasonic transducer is the matching with the input and output ends
January 18, 2021 por rawrubberThe main consideration when using an ultrasonic transducer is the matching with the input and output ends, followed by mechanical installation and matching dimensions. The frequency of the transducer is relatively intuitive. The frequency refers to the frequency measured by […]
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The requirements of the device are different
January 15, 2021 por rawrubberThe ultrasonic transducer can vibrate regularly under the excitation of a suitable electric field, and its amplitude is generally about 10μm. Such an amplitude is not enough to directly complete the welding and processing procedures. After connecting to a reasonably […]
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Ultrasonic transducer is a kind of energy conversion device
January 12, 2021 por rawrubberUltrasonic transducer is a kind of energy conversion device. Its function is to convert the input electrical power into mechanical power (ultrasound) and then transmit it, and it consumes a small part of the power (less than 10%). Therefore, the […]
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Testing ultrasonic transducers requires high sensitivity and signal-to-noise ratio
January 9, 2021 por rawrubberUltrasonic testing transducers are mostly working in transient state & transduction The study of the transient characteristics of the sensor is actually to explore the The characteristics of signal transmission under the number, mainly include the following parts & First, […]
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Testing ultrasonic transducer
January 6, 2021 por rawrubberThe detection ultrasonic transducer is to realize the generation and reception of ultrasonic signals Main components With the development of non-destructive flaw detection technology, The theoretical discussion and design and manufacture of energy devices have received extensive attention & projects […]
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Piezoelectric material performance
December 25, 2020 por rawrubberIn the development of piezoelectric ultrasonic transducers, piezoelectric materials Performance improvement is the key. According to reports, relevant units at home and abroad have developed A new type of piezoelectric single crystal material (AB; CAD and AE; CAD) The piezoelectric […]
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The transducers that work based on the principle of piezoelectric effect are collectively called piezoelectric transducers
December 21, 2020 por rawrubberThe transducers that work based on the principle of piezoelectric effect are collectively called piezoelectric transducers. In the field of power ultrasound, the most widely used is the sandwich piezoelectric transducer Energy device, also known as composite rod transducer or […]
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Analysis method of ultrasonic transducer
December 17, 2020 por rawrubberThe ultrasonic transducer contains the circuit system, mechanical vibration system and Acoustic system, and the three are organically combined when the transducer is working To become a unified whole & this determines the research on it The research method is […]
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