JP6841558B2 - 転がり案内装置の状態診断システム及び状態診断方法 - Google Patents
転がり案内装置の状態診断システム及び状態診断方法 Download PDFInfo
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C29/00—Bearings for parts moving only linearly
- F16C29/04—Ball or roller bearings
- F16C29/06—Ball or roller bearings in which the rolling bodies circulate partly without carrying load
- F16C29/0633—Ball or roller bearings in which the rolling bodies circulate partly without carrying load with a bearing body defining a U-shaped carriage, i.e. surrounding a guide rail or track on three sides
- F16C29/0669—Ball or roller bearings in which the rolling bodies circulate partly without carrying load with a bearing body defining a U-shaped carriage, i.e. surrounding a guide rail or track on three sides whereby the main body of the U-shaped carriage is an assembly of at least three major parts, e.g. an assembly of a top plate with two separate legs attached thereto in the form of bearing shoes
- F16C29/0671—Ball or roller bearings in which the rolling bodies circulate partly without carrying load with a bearing body defining a U-shaped carriage, i.e. surrounding a guide rail or track on three sides whereby the main body of the U-shaped carriage is an assembly of at least three major parts, e.g. an assembly of a top plate with two separate legs attached thereto in the form of bearing shoes with balls
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- G06F11/0706—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation the processing taking place on a specific hardware platform or in a specific software environment
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- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/04—Bearings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C29/00—Bearings for parts moving only linearly
- F16C29/04—Ball or roller bearings
- F16C29/06—Ball or roller bearings in which the rolling bodies circulate partly without carrying load
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C29/00—Bearings for parts moving only linearly
- F16C29/04—Ball or roller bearings
- F16C29/06—Ball or roller bearings in which the rolling bodies circulate partly without carrying load
- F16C29/0602—Details of the bearing body or carriage or parts thereof, e.g. methods for manufacturing or assembly
- F16C29/0604—Details of the bearing body or carriage or parts thereof, e.g. methods for manufacturing or assembly of the load bearing section
- F16C29/0607—Details of the bearing body or carriage or parts thereof, e.g. methods for manufacturing or assembly of the load bearing section of parts or members for retaining the rolling elements, i.e. members to prevent the rolling elements from falling out of the bearing body or carriage
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C29/00—Bearings for parts moving only linearly
- F16C29/04—Ball or roller bearings
- F16C29/06—Ball or roller bearings in which the rolling bodies circulate partly without carrying load
- F16C29/068—Ball or roller bearings in which the rolling bodies circulate partly without carrying load with the bearing body fully encircling the guide rail or track
- F16C29/0683—Ball or roller bearings in which the rolling bodies circulate partly without carrying load with the bearing body fully encircling the guide rail or track the bearing body encircles a rail or rod of circular cross-section, i.e. the linear bearing is not suited to transmit torque
- F16C29/0685—Ball or roller bearings in which the rolling bodies circulate partly without carrying load with the bearing body fully encircling the guide rail or track the bearing body encircles a rail or rod of circular cross-section, i.e. the linear bearing is not suited to transmit torque with balls
- F16C29/0688—Ball or roller bearings in which the rolling bodies circulate partly without carrying load with the bearing body fully encircling the guide rail or track the bearing body encircles a rail or rod of circular cross-section, i.e. the linear bearing is not suited to transmit torque with balls whereby a sleeve surrounds the circulating balls and thicker part of the sleeve form the load bearing tracks
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C41/00—Other accessories, e.g. devices integrated in the bearing not relating to the bearing function as such
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C41/00—Other accessories, e.g. devices integrated in the bearing not relating to the bearing function as such
- F16C41/007—Encoders, e.g. parts with a plurality of alternating magnetic poles
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0218—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterised by the fault detection method dealing with either existing or incipient faults
- G05B23/0224—Process history based detection method, e.g. whereby history implies the availability of large amounts of data
- G05B23/0227—Qualitative history assessment, whereby the type of data acted upon, e.g. waveforms, images or patterns, is not relevant, e.g. rule based assessment; if-then decisions
- G05B23/0235—Qualitative history assessment, whereby the type of data acted upon, e.g. waveforms, images or patterns, is not relevant, e.g. rule based assessment; if-then decisions based on a comparison with predetermined threshold or range, e.g. "classical methods", carried out during normal operation; threshold adaptation or choice; when or how to compare with the threshold
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- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/0703—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation
- G06F11/0706—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation the processing taking place on a specific hardware platform or in a specific software environment
- G06F11/0736—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation the processing taking place on a specific hardware platform or in a specific software environment in functional embedded systems, i.e. in a data processing system designed as a combination of hardware and software dedicated to performing a certain function
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- G—PHYSICS
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/0703—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation
- G06F11/0751—Error or fault detection not based on redundancy
- G06F11/0754—Error or fault detection not based on redundancy by exceeding limits
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/0703—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation
- G06F11/0766—Error or fault reporting or storing
- G06F11/0781—Error filtering or prioritizing based on a policy defined by the user or on a policy defined by a hardware/software module, e.g. according to a severity level
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- G—PHYSICS
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/0703—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation
- G06F11/079—Root cause analysis, i.e. error or fault diagnosis
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- G—PHYSICS
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- G06F11/30—Monitoring
- G06F11/3065—Monitoring arrangements determined by the means or processing involved in reporting the monitored data
- G06F11/3072—Monitoring arrangements determined by the means or processing involved in reporting the monitored data where the reporting involves data filtering, e.g. pattern matching, time or event triggered, adaptive or policy-based reporting
- G06F11/3075—Monitoring arrangements determined by the means or processing involved in reporting the monitored data where the reporting involves data filtering, e.g. pattern matching, time or event triggered, adaptive or policy-based reporting the data filtering being achieved in order to maintain consistency among the monitored data, e.g. ensuring that the monitored data belong to the same timeframe, to the same system or component
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Quality & Reliability (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Automation & Control Theory (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Bearings For Parts Moving Linearly (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Description
Claims (5)
- 多数の転動体と、長手方向に沿って前記転動体の転走面を有する軌道部材と、前記転動体を介して前記軌道部材に組み付けられると共に、前記転動体の負荷通路及び当該負荷通路の両端を連結する無負荷通路からなる当該転動体の無限循環路を有する移動部材と、を備えた転がり案内装置の状態診断システムであって、
前記移動部材が前記軌道部材に沿って移動している際の物理量を検出するセンサと、
前記センサの出力信号を所定時間だけ取り込み、取り込んだ複数の瞬時値を二乗平均平方根処理して代表値を示す分析データを生成すると共に、前記分析データを閾値データと比較し、当該比較結果に応じて前記転がり案内装置の異常の有無を判定して、当該判定結果を出力する診断処理部と、を備え、
前記診断処理部は、
前記無限循環路内で前後する転動体が前記無負荷通路から前記負荷通路に進入する周期tとした場合、データ収集時間T1をT1=nt(nは自然数)として、前記データ収集時間T1だけ前記センサの出力信号を取り込んで第一の分析データを生成し、当該第一の分析データを第一の閾値データと比較する第一処理モードと、
前記軌道部材に対する前記移動部材の移動速度をv、前記負荷通路の長さをL1とした場合、データ収集時間T2をT2>L1/vとして、前記データ収集時間T2だけ前記センサの出力信号を取り込んで第二の分析データを生成し、当該第二の分析データを第二の閾値データ比較する第二処理モードと、を備え、
前記第一処理モードによる比較結果と前記第二処理モードによる比較結果の組み合わせから、前記転がり案内装置の異常の有無が前記軌道部材又は前記移動部材のいずれに起因しているかを判定し、当該判定結果を出力することを特徴とする転がり案内装置の状態診断システム。 - 前記第一処理モードによる前記第一の分析データと前記第一の閾値データの比較結果から前記転がり案内装置に異常有りと判断した場合にのみ、前記第二処理モードによる前記第二の分析データと前記第二の閾値データの比較を行うことを特徴とする請求項1記載の転がり案内装置の状態診断システム。
- 前記軌道部材に対する前記移動部材の移動速度を検出し、これら検出結果に基づいて前記周期tを把握することを特徴とする請求項1記載の転がり案内装置の状態診断システム。
- 多数の転動体と、長手方向に沿って前記転動体の転走面を有する軌道部材と、前記転動体を介して前記軌道部材に組み付けられると共に、前記転動体の負荷通路及び当該負荷通路の両端を連結する無負荷通路からなる当該転動体の無限循環路を有する移動部材と、を備えた転がり案内装置に適用され、
前記移動部材が前記軌道部材に沿って移動している際に生じる物理量の変化をセンサによって所定時間だけ取り込み、取り込んだ複数の瞬時値を二乗平均平方根処理して代表値を示す分析データを生成し、当該分析データを閾値データと比較して前記転がり案内装置の異常の有無を判定する状態診断方法であって、
前記無限循環路内で前後する転動体が前記無負荷通路から前記負荷通路に進入する周期tとした場合、データ収集時間T1をT1=nt(nは自然数)として、前記データ収集時間T1だけ前記センサの出力信号を取り込んで第一の分析データを生成し、当該第一の分析データと第一の閾値データを比較する第一のステップと、
前記第一の分析データが前記第一の閾値データよりも大きい場合に、前記軌道部材に対する前記移動部材の移動速度をv、前記負荷通路の長さをL1とした場合、データ収集時間T2をT2>L1/vとして、前記データ収集時間T2だけ前記センサの出力信号を取り込んで第二の分析データを生成し、当該第二の分析データと第二の閾値データを比較する第二のステップと、
前記第二の分析データが前記第二の閾値データ以下の場合には前記軌道部材の異常を示す信号を出力する第三のステップと、
を備えたことを特徴とする転がり案内装置の状態診断方法。 - 前記第二の分析データが前記第二の閾値データよりも大きい場合には前記移動部材の異常を示す信号を出力することを特徴とする請求項4記載の転がり案内装置の状態診断方法。
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JP2017033921A JP6841558B2 (ja) | 2017-02-24 | 2017-02-24 | 転がり案内装置の状態診断システム及び状態診断方法 |
US16/479,425 US20190361758A1 (en) | 2017-02-24 | 2018-02-02 | Status diagnosing system for rolling guide device and status diagnosing method |
PCT/JP2018/003607 WO2018155136A1 (ja) | 2017-02-24 | 2018-02-02 | 転がり案内装置の状態診断システム及び状態診断方法 |
DE112018001008.2T DE112018001008T5 (de) | 2017-02-24 | 2018-02-02 | Zustandsdiagnosesystem für eine rollführungsvorrichtung und zustandsdiagnoseverfahren |
KR1020197027408A KR102491553B1 (ko) | 2017-02-24 | 2018-02-02 | 구름 안내 장치의 상태 진단 시스템 및 상태 진단 방법 |
CN201880008285.XA CN110214236B (zh) | 2017-02-24 | 2018-02-02 | 滚动导向装置的状态诊断系统及状态诊断方法 |
TW107105917A TWI760442B (zh) | 2017-02-24 | 2018-02-22 | 滾動導引裝置的狀態診斷系統及狀態診斷方法 |
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JP2020160680A (ja) * | 2019-03-26 | 2020-10-01 | キヤノン株式会社 | 電子機器、電子機器を制御するための制御方法、コンピュータプログラム及び記憶媒体 |
CN112041771A (zh) * | 2019-03-26 | 2020-12-04 | 东芝三菱电机产业系统株式会社 | 异常判定辅助装置 |
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CN111964909A (zh) * | 2020-08-24 | 2020-11-20 | 山东大学 | 滚动轴承运行状态检测方法、故障诊断方法及系统 |
TWI752751B (zh) | 2020-12-09 | 2022-01-11 | 上銀科技股份有限公司 | 用於偵測線性滑軌狀態的裝置和方法 |
TW202332842A (zh) * | 2021-12-27 | 2023-08-16 | 日商電裝股份有限公司 | 滑動機構保護構件的故障預兆檢測系統、滑動機構保護構件的故障預兆檢測方法及滑動機構保護構件的故障預兆檢測程式 |
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JPS5554429A (en) * | 1978-10-17 | 1980-04-21 | Toshiba Corp | Bearing supervisory unit |
JPH0616001B2 (ja) * | 1987-10-02 | 1994-03-02 | 日本たばこ産業株式会社 | ころがり軸受の非破壊検査方法及び装置 |
JPH05281094A (ja) * | 1992-03-31 | 1993-10-29 | Nkk Corp | 循環式ころがり案内を備えた直動式ガイドの診断方法 およびその装置 |
JP2004003573A (ja) * | 2002-04-26 | 2004-01-08 | Nsk Ltd | 転動装置用センサ |
JP3871054B2 (ja) * | 2003-06-26 | 2007-01-24 | 日本精工株式会社 | 機械設備の状態監視方法及び装置 |
JP3874110B2 (ja) | 2002-08-30 | 2007-01-31 | 日本精工株式会社 | 異常診断システム |
JP4430316B2 (ja) * | 2003-02-28 | 2010-03-10 | Thk株式会社 | 状態検出装置及び状態検出方法並びに状態検出用プログラム及び情報記録媒体 |
WO2006025404A1 (ja) * | 2004-08-31 | 2006-03-09 | Thk Co., Ltd. | 状態検出装置及び状態検出方法並びに状態検出用プログラム及び情報記録媒体、状態表示装置及び状態表示方法並びに状態表示用プログラム及び情報記録媒体 |
JP2008303954A (ja) * | 2007-06-06 | 2008-12-18 | Nsk Ltd | 直動装置 |
JP2009092183A (ja) * | 2007-10-11 | 2009-04-30 | Nsk Ltd | 直動装置およびその異常判定装置 |
JP2009257806A (ja) * | 2008-04-14 | 2009-11-05 | Nsk Ltd | 転がり直動装置の異常判定方法および異常判定装置 |
JP6051606B2 (ja) * | 2012-06-14 | 2016-12-27 | 日本精工株式会社 | ボールねじ装置の異常検出装置及び異常検出方法 |
CN104314997B (zh) * | 2014-08-19 | 2019-01-15 | 中广核工程有限公司 | 轴瓦倾斜检测方法和自动纠倾方法 |
JP6605865B2 (ja) * | 2015-07-22 | 2019-11-13 | Ntn株式会社 | 転がり軸受の状態監視装置及び転がり軸受の状態監視方法 |
JP6714806B2 (ja) * | 2015-08-06 | 2020-07-01 | 日本精工株式会社 | 状態監視装置及び状態監視方法 |
CN106015328B (zh) * | 2016-06-28 | 2018-10-26 | 嘉兴海菱达精密传动科技有限公司 | 一种滚动直线导轨副 |
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- 2018-02-02 DE DE112018001008.2T patent/DE112018001008T5/de active Pending
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CN110214236A (zh) | 2019-09-06 |
JP2018138817A (ja) | 2018-09-06 |
KR102491553B1 (ko) | 2023-01-20 |
CN110214236B (zh) | 2020-11-03 |
DE112018001008T5 (de) | 2019-11-07 |
TW201843549A (zh) | 2018-12-16 |
WO2018155136A1 (ja) | 2018-08-30 |
TWI760442B (zh) | 2022-04-11 |
KR20190121333A (ko) | 2019-10-25 |
US20190361758A1 (en) | 2019-11-28 |
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