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State detection device, state detection method, state detection program, and information recording medium

A technology of a state detection device and a guide device, which is applied in the field of state detection devices, state detection, state detection programs and information recording media, and achieves the effect of simple structure

Active Publication Date: 2011-04-20
THK CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] Therefore, at present, it is difficult to correctly diagnose the operating state of the linear rolling guide device in real time (that is, in real time)

Method used

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  • State detection device, state detection method, state detection program, and information recording medium
  • State detection device, state detection method, state detection program, and information recording medium
  • State detection device, state detection method, state detection program, and information recording medium

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Embodiment approach

[0108] Second, use Figure 2 to Figure 8 (a) Embodiments of the present invention based on the above-mentioned principle will be specifically described.

[0109] figure 2 is a block diagram showing a schematic configuration of a state detection device according to an embodiment; image 3 It is a longitudinal sectional view showing a schematic structure of an AE sensor for detecting an expansion detection AE wave according to an embodiment; FIGS. 4 to 6 are diagrams for explaining an LM system adopted in the present invention; Figure 7 and Figure 8 (a) is a flowchart showing detection processing of an operating state executed in the state monitoring device according to the embodiment.

[0110] like figure 2 As shown, the state diagnosis device S of the embodiment is composed of an AE sensor 1 as a detection unit, a waveform shaping unit 2 including the above-mentioned BPF (Band Pass Filter) 2A and an envelope detection wave 2B, and an A / D (Analog / Digital) conversion A ...

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Abstract

A state detection device (S) detects a current operation state of an LM (Linear Motion) system. The state detection device (S) includes: an AE sensor (1) for detecting an AE wave elastically generated when a plurality of balls contained in the LM system go around in the circulation unit while rotating on their axes so as to generate a detection signal (Sae); and a signal processing unit (4) for generating a parameter indicating the intensity of the AE wave only according to the detection signal (Sae) corresponding to the operation frequency of the balls and judging the content of the lubrication state of the LM system by using the parameter. This enables prediction of generation of a trouble in the LM system and improves maintenance of the LM system by a user. Furthermore, this provides astate detection device capable of increasing the service life of the system, guaranteeing the performance of a device or an apparatus manufactured by using the LM system, and improving the quality ofthe manufactured device and apparatus.

Description

technical field [0001] The present invention belongs to the technical field of a state detection device, a state detection method, a state detection program, and an information recording medium, and more specifically, relates to a state detection device for detecting the operating state of a linear rolling guide device during the operation of the linear rolling guide device It relates to the technical field of a state detection method, a state detection program used for the operation state detection, and an information recording medium capable of recording the state detection program readable by a computer. Background technique [0002] At present, it includes a track, a moving block moving on the track in its longitudinal direction, a moving block interposed between the track and the moving block, which rotates (self-rotation) and circulates (revolution) by itself, and moves in the moving block with high precision. The so-called linear rolling guide device of a plurality o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01M13/04
CPCG01M13/045
Inventor 本所善之
Owner THK CO LTD