[특허]Work table orientation apparatus and method

Work table orientation apparatus and method 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B23B-035/00 B23B-049/00
출원번호	US-0846858 (1992-03-06)
발명자 / 주소	Smith William V. (Tustin CA)
출원인 / 주소	Excellon Automation (Torrance CA 02)
인용정보	피인용 횟수 : 51 인용 특허 : 0

초록 ▼

A method of precisely calibrating a spindle position with respect to a drilling apparatus worktable. The drilling apparatus includes a control device, which calculates an expected relative position of the spindle and the worktable based upon predetermined information, and the controlled movement of the spindle relative to the worktable. The method includes positioning the spindle in a first position, empirically determining the position of the spindle with respect to the worktable in both a first and a second direction, and determining a “correction factor”between the expected spindle position relative to the worktable at the first position and the empirically determined spindle position relative to the worktable in the first and second directions. Also, a calibration device, including a body defining an aperture and an opening spaced from the aperture, a first sensor measuring the position of an object in the aperture in a first direction, a second sensor measuring the position of an object in the aperture in a second direction different from the first direction, and a third sensor measuring the direction of an object in the opening in the first direction. The sensors may be differential pressure transducers. The device includes means for securing the device to a worktable to prevent movement of the device in the first and second directions.

대표청구항 ▼

A method of precisely calibrating the position of a spindle of a drilling apparatus with respect to a work table, said spindle and said work table forming a portion of a drilling apparatus, said drilling apparatus including a control device which calculates an expected relative position of said spindle and said work table based upon predetermined information regarding the relative position of said spindle and said work table and the controlled movement of said spindle relative to said worktable, said work table including a first positioning clamp to secure a workpiece to said table, comprising the steps of: inserting a member into said first clamp; closing said first clamp to secure said member against movement in a first direction; positioning a first sensor having a first position indicator such that said first position indicator indicates the position of said member in said first direction with respect to said first sensor; securing said first sensor against movement in said first direction with respect to the clamped position of said member; releasing said first clamp sufficiently to permit removal of said member from said first clamp; removing said member from said first clamp; positioning said spindle with respect to said first sensor in a calibration position such that said first position indicator indicates that the calibration position of said spindle in said first direction with respect to said first sensor is the same as the clamped position of said member in said first clamp in said first direction; and, comparing the calibration position of said spindle in said first direction with the expected position of said spindle determined by said control device so as to ascertain a correction factor. A drilling machine, comprising: a spindle movable at least in a vertical direction, a drill tool removably mounted in said spindle, said spindle being adapted to cause rotation of said drill tool to effect drilling, said work table including a first positioning clamp and a second positioning clamp to secure a workpiece to said table; a worktable positioned beneath said spindle, said worktable adapted to have a workpiece mounted thereon, said worktable being movable in at least one direction in a horizontal plane so as to position said workpiece at desired locations beneath said spindle; a control device which controls operation of said drilling machine, said control device calculating an expected relative position of said spindle and said worktable based upon predetermined information regarding the relative position of said spindle and said worktable; and, a calibration device adapted to be secured to said work table over said first positioning clamp, comprising: a body defining an aperture and an opening spaced from said aperture; a first differential pressure transducer measuring the position of an object in said aperture in a first direction; a second differential pressure transducer measuring the position of an object in said aperture in a second direction different than said first direction; and, a third differential pressure transducer measuring the position of an object in said opening in said first direction.

이 특허를 인용한 특허 (51)

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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
구성항목	기본정보 상세정보 관리번호, 국가코드, 자료구분, 상태, 출원번호, 출원일자, 공개번호, 공개일자, 등록번호, 등록일자, 발명명칭(한글), 발명명칭(영문), 출원인(한글), 출원인(영문), 출원인코드, 대표IPC 관리번호, 국가코드, 자료구분, 상태, 출원번호, 출원일자, 공개번호, 공개일자, 공고번호, 공고일자, 등록번호, 등록일자, 발명명칭(한글), 발명명칭(영문), 출원인(한글), 출원인(영문), 출원인코드, 대표출원인, 출원인국적, 출원인주소, 발명자, 발명자E, 발명자코드, 발명자주소, 발명자 우편번호, 발명자국적, 대표IPC, IPC코드, 요약, 미국특허분류, 대리인주소, 대리인코드, 대리인(한글), 대리인(영문), 국제공개일자, 국제공개번호, 국제출원일자, 국제출원번호, 우선권, 우선권주장일, 우선권국가, 우선권출원번호, 원출원일자, 원출원번호, 지정국, Citing Patents, Cited Patents
저장형식	Text(ASCII format) Excel format PIAS분석(.xls)
메일정보	받는사람 (필수) @ 보내는사람 (선택) @ 제목 내용 KISTI 검색결과 이메일 서비스
안내	총 건의 자료가 검색되었습니다. 다운받으실 자료의 인덱스를 입력하세요. (1-10,000) 검색결과의 순서대로 최대 10,000건 까지 다운로드가 가능합니다. 데이타가 많을 경우 속도가 느려질 수 있습니다.(최대 2~3분 소요) 다운로드 파일은 UTF-8 형태로 저장됩니다. 파일의 내용이 제대로 보이지 않을실 때는 웹브라우저 상단의 보기 -> 인코딩 -> 자동선택 여부를 확인하십시오. ~ Text(ASCII format) Excel format

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Work table orientation apparatus and method 원문보기

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Work table orientation apparatus and method 원문보기

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이 특허를 인용한 특허 (51)

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