An online quantitative evaluation system and method for vibration aging effect

Abstract

The invention discloses an online quantitative evaluation system and method for a vibration aging effect. The system comprises a host computer system, a signal generator, a driver, an exciter, an acceleration sensor, a charge amplifier, an oscilloscope and supporting devices, wherein a workpiece is fixedly connected with the exciter; the signal generator outputs a sinusoidal excitation signal; and the host computer system comprises an excitation frequency acquisition module, an excitation time acquisition module, a voltage waveform acquisition module, a voltage extraction module, an vibration level conversion module, an excitation amplitude conversion module, a dimensionless processing module as well as a module for setting the mutual relation between the vibration aging effect and dimensionless process parameters. According to the method, the host computer system automatically acquires the excitation frequency, the excitation amplitude and the excitation time, and automatically performs online quantitative evaluation on the vibration aging effect according to the mutual relation between the vibration aging effect and the dimensionless process parameters. The system and the method provided by the invention have the advantage that the vibration aging effect can be subjected to online quantitative evaluation.

Description

technical field [0001] The invention relates to the technical field of vibration aging, in particular to an online quantitative evaluation system and method for vibration aging effects. technical background [0002] The evaluation of vibration aging effect is one of the key issues in the field of vibration aging technology research. The so-called vibration aging effect refers to the effect of vibration aging to eliminate residual stress. At present, the evaluation methods of vibration aging effect mainly include: parameter curve method, residual stress measurement method and precision stability detection method. [0003] (1) Parameter curve method: The parameter curve method is summarized according to the regular changes in parameters during the vibration aging process, and can conduct online qualitative evaluation of the effect of vibration aging technology. The evaluation criteria used mainly include: After vibration aging treatment The resonance peak of frequency sweep c...

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Problems solved by technology

[0004] In order to overcome the deficiency that the existing evaluation method of vibration aging effect cannot realize the online quantitative evaluation of vibration aging effect, the present invention proposes an online quantitative evaluation system and method of vibration aging effect

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