Oscillation testing device of servo motor of numerical control machine tool

A test device and servo motor technology, applied in the mechanical field, can solve problems such as difficult to judge, not obvious vibration, motor vibration, etc., and achieve the effect of easy installation
CN102722138AInactive Publication Date: 2012-10-10GUANGXI UNIVERSITY OF TECHNOLOGY +3
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
GUANGXI UNIVERSITY OF TECHNOLOGY
Publication Date
2012-10-10
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention provides an oscillation testing device of a servo motor of a numerical control machine tool. The oscillation testing device comprises a computer, an adjustable camera, a testing tool body and fixing devices, the testing tool body comprises a shallow tank, a solution with the kinematic viscosity of 0.6x10<-3>pa.s-50x10<-3>pa.s at temperature of 40 DEG C is contained in the shallow tank, the adjustable camera directly faces to the solution level, the height of the camera is adjusted to a level by which the cameral can just take a complete picture of the solution level, changes of the solution level are monitored by computer videos, and oscillation of the servo motor can be quantifiably tested by a speed sensor mounted on the testing tool body. The problem of difficulty in distinguishing vibration of the numerical control machine tool from vibration caused by oscillation of the servo motor in the prior art is solved by the oscillation testing device, and the oscillation testing device of the servo motor of the numerical control machine tool has good application prospect.
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Description

technical field

[0001] The invention relates to the mechanical field, in particular to a vibration testing device for a servo motor of a numerically controlled machine tool. Background technique

[0002] At present, the acceleration sensor is mainly used to test the vibration of the machine tool in the machine tool industry, and its principle is mainly based on the principle of piezoelectric effect. The so-called piezoelectric effect is "for a heteropolar crystal without a symmetry center, the external force applied to the crystal will not only deform the crystal, but also change the polarization state of the crystal, and establish an electric field inside the crystal. The phenomenon of polarizing the medium is called the positive piezoelectric effect". The acceleration sensor used in the machine tool industry mainly utilizes the characteristic of crystal deformation caused by acceleration inside it. Since this deformation will generate a voltage, as long as the relationsh...

Claims

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