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Test device for relationship between load and resonant frequency of ultrasonic system

A technology of resonant frequency and ultrasonic system, which is applied in the direction of analyzing solids, analyzing materials, and instruments using sound waves/ultrasonic waves/infrasonic waves, and can solve problems such as complex load changes, many interference factors, and complex influences on system resonant frequencies.

Active Publication Date: 2019-11-22
TSINGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The load changes of the ultrasonic machining system during the machining process are complex, and the research on the influence of the load on the system resonance frequency under working conditions is relatively complicated and there are many interference factors

Method used

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  • Test device for relationship between load and resonant frequency of ultrasonic system
  • Test device for relationship between load and resonant frequency of ultrasonic system
  • Test device for relationship between load and resonant frequency of ultrasonic system

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Embodiment Construction

[0047] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0048] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Clockwise", "Counterclockwise", "Axial", The orientation or positional relationship indicated by "radial", "circumferential", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invent...

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Abstract

Disclosed is a test device (1000) for the relationship between a load and a resonance frequency of an ultrasonic system. The test device (1000) comprises an ultrasonic transducer (100), a fixing system (200), a load loading system (300), and a load detection and test system (400). The fixing system (200) is used for supporting the ultrasonic transducer (100), and the load loading system (400) can load a variable load to the ultrasonic transducer (100). The load detection and test system (400) is used for detecting a load loaded by the load loading system (300) to the ultrasonic transducer (100).

Description

technical field [0001] The invention relates to the technical field of precision machining, in particular to a testing device for the relationship between an ultrasonic system load and a resonance frequency. Background technique [0002] Ultrasonic transducers are widely used in high-speed cutting of brittle and hard materials. Under the excitation of ultrasonic frequency electrical signals, the ultrasonic frequency mechanical vibration generated at the end of the tool can reduce the cutting force, improve the processing efficiency and prolong the service life of the tool. With the increasing demand for difficult-to-machine materials, research on efficient ultrasonic machining systems has become a development trend. The ultrasonic system usually needs to work near the resonant frequency of the processing system to maximize the output amplitude of the tool end and the system conversion efficiency. [0003] There are two types of electromechanical conversion materials used in...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N29/12
CPCG01N29/12G01N2291/014
Inventor 张建富郁鼎文周辉林冯平法吴志军
Owner TSINGHUA UNIV