28
2022
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07
Ultrasonic mold design method and amplitude parameters
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ultrasonic mouldThe design method, the amplitude parameter design of the mold: the amplitude is a key parameter for the material to be welded.
Due to the different transducers selected, the amplitude of the transducer output is different. After adapting the horn and welding head with different variable ratios, the working amplitude of the welding head can be twisted to meet the requirements.
Usually the output amplitude of the transducer is 10-20μm, and the working amplitude is generally about 30μm. The ratio of the horn and the welding head is related to the shape of the horn and the welding head, the front and back area ratio and other factors. The shape is such as exponential amplitude, functional amplitude, stepped amplitude, etc.
It is equivalent to the temperature of ferrochrome. If the temperature is not reached, it will not be welded. If the temperature is too high, the raw materials will burn or lead to structural damage and poor strength.
It has a great influence on the transformation ratio, and the front and back area ratio is proportional to the total transformation ratio. If different welding machines are selected, the simple method is to make the welding head according to the proportion size of the working welding head, which can ensure the stability of the amplitude parameters.
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