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A device and method for actively suppressing band saw blade vibration based on main vibration mode prediction

A technology of active suppression and band saw blade, which is applied to the attachments of sawing machines, manufacturing tools, metal sawing equipment, etc. It can solve the problems of high precision requirements and complex structure of the device, and achieve the effect of wide application range and high control precision.

Inactive Publication Date: 2016-04-06
HANGZHOU DIANZI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, its structure is relatively complicated, and the precision of the device is high, so it is not necessary to use such a cumbersome device in the vibration suppression process of the band saw
Therefore, it is not suitable for metal band sawing machine band saw vibration suppression

Method used

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  • A device and method for actively suppressing band saw blade vibration based on main vibration mode prediction
  • A device and method for actively suppressing band saw blade vibration based on main vibration mode prediction
  • A device and method for actively suppressing band saw blade vibration based on main vibration mode prediction

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Experimental program
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Embodiment Construction

[0054] The present invention will be described in detail below in conjunction with the accompanying drawings.

[0055] Such as figure 1 , figure 2 As shown, a band saw blade vibration active suppression device based on main vibration mode prediction includes a first eddy current sensor 2, a second eddy current sensor 3, a third eddy current sensor 9, a fourth eddy current sensor 13, a first sensor Bracket 1, second mounting bracket 10, third mounting bracket 11, a thin-walled hydraulic cylinder 8, a piston rod earring 15, a roller 14 and a hydraulic cylinder mounting frame 7.

[0056] The first eddy current sensor 2 and the second eddy current sensor 3 are installed on the first guide post 4 of the metal band sawing machine through the first sensor bracket 1, and the first eddy current sensor 2 and the second eddy current sensor 3 are in the In the same vertical plane and facing the side of the band saw blade 5, the third eddy current sensor 9 and the fourth eddy current se...

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Abstract

The invention discloses an active inhibition device and method for band-saw blade vibration on the basis of master vibration modal prediction. The device is used for real-time sampling, analysis and eigenvalue extraction for transverse, longitudinal and torsion-directional multi-dimensional vibration of a band-saw blade, is used for master vibration modal prediction on the basis of real-time vibration characteristics of the band-saw blade, and is specially designed for high-speed response on the basis of band-saw blade master vibration modal recognition and prediction feedback. The device is capable of displaying vibration amplitude of the band-saw blade in real time, is applicable to all band saws each having an oil source, and is capable of significantly inhibiting the vibration of the band saw.

Description

technical field [0001] The invention relates to a band saw blade vibration suppression device, in particular to a band saw blade vibration active suppression device and method based on main vibration mode prediction. Background technique [0002] Metal band sawing machine is an updated product to replace the old bow sawing machine. It is widely used in sawing various metal materials and non-metallic materials due to its high cutting precision, small saw kerf, high efficiency and energy saving. Metal band saw blades are the core component of band saw machines, consisting of a tough and sharp-toothed enclosed metal blade tensioned on drive wheels for cutting metal. In the actual sawing process, the band saw is forced to vibrate due to various reasons when it is running. The vibration of the band saw blade will cause material loss, reduce the life of the saw blade, and the dimensional accuracy of the saw and the quality of the processed surface are poor, and it will affect the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23D59/00B23Q11/00B23Q17/12
Inventor 倪敬王宏亮顾瞻华
Owner HANGZHOU DIANZI UNIV
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