Ultrasonic Welding Equipment
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Digital Rubber Ultrasonic Cutting Device 40Khz 40μM Horn Amplitude
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|Blade Size||82.5mm||Blade Material||Titanium|
40Khz Digital Type Ultrasonic Cutting Device For Rubber Cutting
|Machine||Ultrasonic rubber/cake Cutter|
|Cutting Blade / Horn||Titanium|
|The width of blade||82.5mm|
|Cutting thickness||10~20mm(depend on materials)|
Traditional cutting uses a knife with a sharp edge to press against the material to be cut. This pressure is concentrated at the cutting edge, and the pressure is very large, exceeding the shear strength of the material to be cut, and the molecular bonds of the material are pulled apart and cut. Since the material is pulled apart by strong pressure and rigidity, the cutting edge of the cutting tool should be very sharp, and the material itself has to withstand relatively large pressure. For soft and elastic materials, the cutting efficiency is not high.
The rubber ultrasonic cutting machine is completely different. It uses ultrasonic energy to heat and melt a part of the material to be cut, so as to achieve the purpose of cutting the material. Therefore, ultrasonic cutting does not require a sharp edge, nor does it require a lot of pressure, and will not cause chipping or breakage of the material to be cut. At the same time, because the cutting knife is vibrating ultrasonically, the frictional resistance is particularly small, and the material to be cut is not easy to stick to the blade. This is especially effective for viscous and elastic materials, frozen materials, such as food, rubber materials, and objects that are inconvenient to apply pressure. Ultrasonic cutting has another great advantage, that is, it has fusion effect on the cutting part while cutting, sealing the cutting part, and will not cause the flash of the textile material. The ultrasonic cutter type cutting machine directly loads the ultrasonic energy on the cutter, and the cutter becomes a cutter with ultrasonic. When cutting the material, the material is mainly softened and melted by ultrasonic energy, and the cutting edge of the cutter only plays the role of cutting seam positioning, ultrasonic energy output, and separating the material. This cutting method is suitable for cutting thick, thick, and long materials that are inconvenient to set up the cutting board. Such as the raw rubber output from the mixing machine, pipe cutting, frozen meat, candy, chocolate cutting, cake cutting, printed circuit boards, etc.
The principle of ultrasonic cutting is to convert 50/60Hz current into 20, 30 or 40KHz electric energy through an ultrasonic generator. It is converted into mechanical vibration of the same frequency, and then the mechanical vibration is transmitted to the cutting knife through a set of amplitude modulator device that can change the amplitude. The cutting knife transfers the received vibration energy to the cutting surface of the workpiece to be cut. In this area, the vibration energy is used to cut the rubber by activating the molecular energy of the rubber and opening the molecular chain.
Structural composition characteristicsedit
The main components of an ultrasonic cutting system include ultrasonic generator (driving power supply), ultrasonic transducer, horn, cutting knife (tool head) and various output circuits and control circuits. The ultrasonic drive power converts the mains electricity into high frequency and high voltage alternating current, which is output to the ultrasonic transducer. The ultrasonic transducer is actually equivalent to an energy conversion device, which can convert the input electrical energy into mechanical energy, that is, ultrasound. Its manifestation is that the transducer stretches back and forth in the longitudinal direction. The frequency of the telescopic movement is equal to the frequency of the high-frequency alternating current supplied by the driving power supply. The role of the horn is to fix the entire ultrasonic vibration system, and the other is to amplify the output amplitude of the transducer. On the one hand, the cutting knife (tool head) further amplifies the amplitude and focuses the ultrasound. On the other hand, it outputs ultrasonic waves, and uses the similar cutting edge of the cutting knife to concentrate the ultrasonic energy into the cutting part of the material to be cut. Under the action of huge ultrasonic energy, this part instantly softens and melts, and its strength is greatly reduced. At this time, as long as a small cutting force is applied, the purpose of cutting the material can be achieved.
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