Machine component using ic tag and its method for quality control and system for inspecting abnormality

A technology for mechanical parts and quality management, applied in computer parts, mechanical equipment, record carriers used by machines, etc., can solve the problems of impossible to know abnormality, inability to measure abnormality, impossible to know exactly the state of bearings, etc.

Inactive Publication Date: 2008-12-31
NTN CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the process of regular bearing replacement, appropriate treatment is applied. Although the belt conveyor can be replaced without stopping the belt conveyor, when the abnormal condition of the bearing cannot be detected, it cannot be replaced while the conveyor is in motion.
In addition, even if the bearing is replaced early according to the rated life, there may be abnormalities that cannot be measured, so it is impossible to know such unknown abnormalities
[0016] In addition, for the wheel support bearings of railway locomotives, the above-mentioned regular inspections are carried out when parking, but for high-speed locomotives that travel for a long time and travel long distances, the bearing service conditions are very harsh
Therefore, periodic inspections during parking alone are not sufficient to prevent bearing abnormalities from occurring
Moreover, it is impossible to know exactly the state of the bearings during operation when the vehicle is stopped

Method used

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  • Machine component using ic tag and its method for quality control and system for inspecting abnormality
  • Machine component using ic tag and its method for quality control and system for inspecting abnormality
  • Machine component using ic tag and its method for quality control and system for inspecting abnormality

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Embodiment Construction

[0124] Hereinafter, preferred embodiments of the present invention will be described while referring to the accompanying drawings.

[0125] figure 1 A first embodiment of the present invention is shown, that is, a cross-sectional view of a deep groove ball bearing as an example of a mechanical part. This bearing has an inner ring 102 , an outer ring 104 , a plurality of balls (rolling elements) 106 , and a cage 108 as main constituent units. The inner ring 102 has a raceway 102a on the outer peripheral surface. The outer ring 104 has a raceway 104a on the inner peripheral surface. Balls 106 can freely roll between the raceway 102a of the inner ring 102 and the raceway 104a of the outer ring 104 . The balls 106 are held at predetermined intervals in the circumferential direction by the cage 108 . In this embodiment, the IC tag 110 is embedded in the end surface 104b of the outer ring 104 .

[0126] It is desirable that the IC tag 110 is a built-in part where no load is ap...

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Abstract

PROBLEM TO BE SOLVED: To carry out the total management of a workpiece having an IC tag fixed thereon from a manufacturing process to a scrapping stage without losing the IC tag. SOLUTION: The machine parts, such as a bearing, is configured such that an IC tag 10 composed of the IC chip storing its own information and an antenna electrically connected to the IC chip are buried in the machine. COPYRIGHT: (C)2004,JPO&NCIPI

Description

technical field [0001] The present invention relates to technology for managing mechanical parts from manufacture to disposal by embedding tags using radio frequency identification (RFID: Radio Frequency Identification) technology in mechanical parts such as rolling bearings, joints, hub bearings, and clutches. Background technique [0002] RFID technology is defined as a general term for wireless data identification technology or authentication media carrying such data identification technology. The RFID system is composed of IC tags as data carriers, IC tag readers / recorders, and management PCs. like Figure 4 As shown, the IC tag is composed of an IC chip and a small antenna that record product information and data, and these components are embedded in a plastic card, etc., called an IC tag. The IC chip stores a memory for ID, a control circuit for communication, and the like. Install IC tags on objects, and use wireless communication to pick up its information with the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05B19/418B42D15/10F16C33/58G06K19/00G06K19/07
CPCY02P90/02
Inventor 中村昌平日置章一伊藤浩义真弓透屉部光男
Owner NTN CORP
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