[특허]Method for detecting and/or preventing grind burn

Method for detecting and/or preventing grind burn 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B24B-049/12 B23F-023/12 B24B-049/10 B24B-019/00 G01B-011/06 G01N-021/88 G01N-027/02 G01N-027/90
출원번호	US-0875783 (2015-10-06)
등록번호	US-10213898 (2019-02-26)
발명자 / 주소	Frazee, Elizabeth Horvath, Paul
출원인 / 주소	ALLISON TRANSMISSION, INC.
대리인 / 주소	Taft Stettinius & Hollister LLP
인용정보	피인용 횟수 : 0 인용 특허 : 23

초록 ▼

The present disclosure provides a method of detecting and preventing grind burn from developing on a gear. The method includes performing acoustic emission testing while the gear is being ground during a grinding operation. The grinding wheel is evaluated during an eddy current test to detect material buildup on the grinding wheel which could cause grind burn. In addition, the method includes collecting swarf from the gear during the grinding operation and inspecting the swarf for an indication of grind burn.

대표청구항 ▼

1. A method of detecting grind burn on an object being ground, comprising: removing material from an object with a grinding machine during a grinding operation;collecting the removed material from the object with an element during the grinding operation;using an instrument having a lens to inspect the collected removed material for an indication of grind burn;identifying a grind burn when the indication is a discoloration of the collected removed material or a change in thickness of the collected removed material;and wherein, when a grind burn is identified by the identifying step, adjusting one or more parameters of the grinding machine during the grinding operation to eliminate the identified grind burn and then repeating the collecting step, the using an instrument step and the identifying step. 2. The method of claim 1, wherein the indication is substantially dark gray, blue, or black. 3. The method of claim 1, wherein the element comprises filter paper or a magnet, wherein the filter paper or magnet is fixed with respect to the object to determine the location of the grind burn based on the location of the collected removed material on the paper or magnet. 4. The method of claim 3, further comprising placing filter paper near the object. 5. The method of claim 3, wherein the filter paper is placed substantially beneath the object. 6. The method of claim 3, further comprising aligning the filter paper with the object to collect the removed material resulting from the collecting step. 7. The method of claim 6, further comprising identifying a location of the grind burn on the object from which the material is removed based on a location of the collected material on the filter paper. 8. The method of claim 1, wherein the instrument is a camera. 9. The method of claim 8, further comprising magnifying the collected removed material to inspect for the indication. 10. The method of claim 1, wherein the change in thickness is an increase in thickness of the collected removed material. 11. The method of claim 1, further comprising generating an automated warning signal when grind burn is identified. 12. The method of claim 1, wherein the identifying a grind burn includes identifying grind burn when the indication is the discoloration of the collected removed material and the change in thickness of the collected removed material. 13. The method of claim 1, wherein the identifying a grind burn includes identifying a grind burn when the indication is only the change in thickness of the collected removed material.

이 특허에 인용된 특허 (23)

Plante Arcade J. (Center Valley PA) Wetzel Richard F. (Bath PA), Automatic nondestructive roll defect inspection system.
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Suwijn Paul W. ; Stadtfeld Hermann J., Detecting tool wear by thermal monitoring of workpiece.
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Youden David H. (Nelson NH), Device for minimizing the thermal sensitivity of a machining apparatus.
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Oda Hideaki (Higashimatsuyama JPX) Unozawa Akira (Higashimatsuyama JPX), Dressing apparatus for grinding wheels.
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McClurkin Walter J., Dust collecting work station.
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Kurashiki, Hiroyuki; Katsuma, Toshifumi, Gear matching device and gear machining apparatus.
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Ogawa Koji (Nagoya JPX) Nagata Akira (Tsu JPX) Inoue Koji (Nagoya JPX), Grinding wheel having grinding monitoring and automatic wheel balance control functions.
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Ray Robert W. (Joliet IL) Pierce Rex G. (Joliet IL), Method and apparatus for abrasively machining a workpiece.
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Kenneth N. Allan, Method and apparatus for controlling conveyor.
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Wolter-Doll Dieter,DEX, Method and apparatus for detecting machining flaws, especially caused by grinding machines.
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Luria David (Tel Aviv ILX), Method and apparatus for diagnosing the condition of oil-wetted parts.
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Ohmori Hitoshi (Tokyo JPX), Method and apparatus for grinding with electrolytic dressing.
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Schaaf William R. (210 Middle Brook Rd. Greer SC 29651), Method and apparatus for removing ferrous particles from coolant fluid during machining.
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Smith Roderick L. (2012 Greenfield La. Rockford IL 61107), Predictive high wheel speed grinding system.
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Ronneberger, Erich, Process and apparatus for the automatic measurement of processing and workpiece characteristics when grinding gears.
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Lundmark Ebbe (Orebro SEX), Process and device for machine-working or rolls and similar workpieces.
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Holzl, Roland, Process and device for testing a workpiece by means of eddy currents.
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Hoffman Kenneth G. (Massapequa Park NY) Maller Robert R. (Plainview NY) Messler ; Jr. Robert W. (Farmingdale NY), Process for nondestructive inspection.
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Linzell Geoffrey Robert (Hatfield GB2), Shaping metals.
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Wohlmuth Clinton J. (Columbus IN), Surface temperature control apparatus.
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Stadtfeld Hermann J. ; Mundt Eric G., Threaded grinding wheel and method of dressing.
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Yamada, Kiyoshi; Otake, Nobuo; Takei, Hirofumi, Wire saw and cutting method thereof.
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Compton Lawrence T. (R.R. 1 Box 77 Nokomis IL 62075), Wood jointer and planer blade sharpening holder.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

내보내기 구분	파일저장 인쇄 메일전송
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저장형식	Text(ASCII format) Excel format PIAS분석(.xls)
메일정보	받는사람 (필수) @ 보내는사람 (선택) @ 제목 내용 KISTI 검색결과 이메일 서비스
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연합인증

Method for detecting and/or preventing grind burn 원문보기

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Method for detecting and/or preventing grind burn 원문보기

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연구과제 타임라인

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