KR940008813A - 회전전후 이송장치 - Google Patents

회전전후 이송장치 Download PDF

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Publication number
KR940008813A
KR940008813A KR1019930021756A KR930021756A KR940008813A KR 940008813 A KR940008813 A KR 940008813A KR 1019930021756 A KR1019930021756 A KR 1019930021756A KR 930021756 A KR930021756 A KR 930021756A KR 940008813 A KR940008813 A KR 940008813A
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KR
South Korea
Prior art keywords
displacement
electromagnet
command
spindles
rotating
Prior art date
Application number
KR1019930021756A
Other languages
English (en)
Inventor
잇세이 야스다
마사유키 타카하시
토오루 나카가와
Original Assignee
모리시타 요이찌
마쯔시다덴기산교 가부시기가이샤
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 모리시타 요이찌, 마쯔시다덴기산교 가부시기가이샤 filed Critical 모리시타 요이찌
Publication of KR940008813A publication Critical patent/KR940008813A/ko

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Classifications

    • 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
    • F16C32/00—Bearings not otherwise provided for
    • F16C32/04—Bearings not otherwise provided for using magnetic or electric supporting means
    • F16C32/0406—Magnetic bearings
    • F16C32/044—Active magnetic bearings
    • F16C32/0444—Details of devices to control the actuation of the electromagnets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q15/00—Automatic control or regulation of feed movement, cutting velocity or position of tool or work
    • B23Q15/20—Automatic control or regulation of feed movement, cutting velocity or position of tool or work before or after the tool acts upon the workpiece
    • B23Q15/22—Control or regulation of position of tool or workpiece
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/25—Movable or adjustable work or tool supports
    • B23Q1/26—Movable or adjustable work or tool supports characterised by constructional features relating to the co-operation of relatively movable members; Means for preventing relative movement of such members
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/70—Stationary or movable members for carrying working-spindles for attachment of tools or work
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
    • B23Q17/22—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring existing or desired position of tool or work
    • B23Q17/2216—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring existing or desired position of tool or work for adjusting the tool into its holder
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
    • B23Q5/02—Driving main working members
    • B23Q5/04—Driving main working members rotary shafts, e.g. working-spindles
    • B23Q5/10—Driving main working members rotary shafts, e.g. working-spindles driven essentially by electrical means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00—Component parts such as frames, beds, carriages, headstocks
    • B24B41/04—Headstocks; Working-spindles; Features relating thereto
    • B24B41/044—Grinding spindles with magnetic or electromagnetic bearings; Features related thereto
    • 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
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
    • G05B19/416—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by control of velocity, acceleration or deceleration
    • G05B19/4166—Controlling feed or in-feed
    • 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
    • F16C2322/00—Apparatus used in shaping articles
    • F16C2322/39—General build up of machine tools, e.g. spindles, slides, actuators
    • 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
    • G05B2219/00—Program-control systems
    • G05B2219/30—Nc systems
    • G05B2219/49—Nc machine tool, till multiple
    • G05B2219/49271—Air bearing slide, hydraulic, electromagnetic bearing
    • 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
    • G05B2219/00—Program-control systems
    • G05B2219/30—Nc systems
    • G05B2219/49—Nc machine tool, till multiple
    • G05B2219/49272—Electromagnetic bearing also used as feed in one axis or positioning in two axis

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • General Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Electromagnetism (AREA)
  • Human Computer Interaction (AREA)
  • Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
  • Turning (AREA)
  • Magnetic Bearings And Hydrostatic Bearings (AREA)
  • Automatic Control Of Machine Tools (AREA)

Abstract

본 발명은 회전전후 이송장치에 있어서 ,회전공구의 비뚤어짐등을 발생하지 않고 고정밀도로 전후이송할 수 있는 회전전후 이송장치를 제공하는 것을 목적으로하며, 그 구성에 있어서, 회전축(7)을 비접촉지지하기 위한0전자석(9) 및 디스크(17), 회전축(7)의 위치를 검출하기 위한 변위계, 회전축(7)을 회전구동하기 위한 모우터회전자, 모우터고정자, 구성부품을 장착하는 하우징으로 이루어진것을 특징으로 한것이다. 이로써, 회전축을 전자석에 의해 공중지지하고, 전자석개개의 자기루우프의 강도를 변화시키므로서, 고정밀도의 회전전후 이송장치를 제공할 수 있다.
(제1도)

Description

회전전후 이송장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 일실시예에 있어서의 자기베어링스핀돌기구의 구성도,
제2도는 본 발명의 일실시예에 있어성의 레이디얼베어링구성도,
제3도는 본 발명의 일실시예에 있어서의 드러스트베어링구성도,
제4도는 레이디얼 베어링의 X단면의 모식도,
제5도는 드러스트베어링의 모식도.

Claims (3)

  1. 절삭가공 연삭가공등을 행할때에 필요하게 되는 피가공물을 유지해두기 위한 공작물스핀들이나 가공공구를 장착하기 위한 공구스핀들에 있어서, 회전축을 지지하여 원활하게 회전시키기위한 베어링으로서 전자석의 흡인력에 의해 회전축을 완전비접촉으로 공중지지하는 자기베어링스핀들을 사용해서, 레이디얼용 전자석의 흡인력을 변위지령에 의해 변화시키고, 그 변위량을 베어링의 레이디얼방향으로 설치한 변위센서에 의해 측정하고, 지령값에 대해서 합치하는 제어기구를 구비한 것을 특징으로 하는 회전전후 이송장치.
  2. 제1항에 있어서, 상기 자기베어링스핀들의 드러스트방향으로 변위센서를 설치하므로서, 드러스트용 전자석의 흡인력을 변위지령에 의해 변화센서를 설치하므로서, 드러스트용 전자석의 흡인력을 변위지령에 의해 변화시키고, 그 변위량을 측정하여, 지령값에 대해서 합치하는 제어기구를 구비한 것을 특징으로 하는 회전후이송장치.
  3. 제1항에 있어서, 상기 자기베어링스핀들의 회전축의 전후 2개소에 변위센서를 배설하고, 경사변위지령에 의해 회전축의 전후에서 레이디얼용 전자석의 흡입력을 반대방향으로 변화시켜, 회전축을 경사시킨 변위량을 측정하고, 지령치에 대해서 합치하는 제어기구를 구비한 것을 특징으로 하는 회전전후 이송장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019930021756A 1992-10-26 1993-10-20 회전전후 이송장치 KR940008813A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP92-287342 1992-10-26
JP4287342A JPH06134654A (ja) 1992-10-26 1992-10-26 回転・切り込み装置

Publications (1)

Publication Number Publication Date
KR940008813A true KR940008813A (ko) 1994-05-16

Family

ID=17716135

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019930021756A KR940008813A (ko) 1992-10-26 1993-10-20 회전전후 이송장치

Country Status (3)

Country Link
US (1) US5573443A (ko)
JP (1) JPH06134654A (ko)
KR (1) KR940008813A (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6233006B1 (en) 1997-05-27 2001-05-15 Samsong Industries, Ltd. Image change detecting machine by using character generator and method thereof

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US5951368A (en) 1996-05-29 1999-09-14 Ebara Corporation Polishing apparatus
JP3421904B2 (ja) * 1996-08-07 2003-06-30 光洋精工株式会社 工作機械用磁気軸受スピンドル装置
GB9725203D0 (en) * 1997-11-29 1998-01-28 Unova Uk Ltd Improvements in and relating to grinding machines
JP3725323B2 (ja) * 1998-02-23 2005-12-07 日創電機株式会社 駆動モータ及び成形機用駆動装置
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DE10016981C2 (de) * 2000-04-06 2002-05-08 Thielenhaus Ernst Gmbh & Co Kg Vorrichtung zur spanenden Bearbeitung von Werkstücken
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JP2008221433A (ja) * 2007-03-15 2008-09-25 Jtekt Corp 研削装置
JP2008254114A (ja) * 2007-04-04 2008-10-23 Jtekt Corp 工作機械用磁気軸受スピンドル装置
DE102007021294B4 (de) * 2007-05-07 2009-10-01 P & L Gmbh & Co. Kg Dynamisch optimierte Werkzeugmaschine mit überlagerten Antriebssystemen
JP5203740B2 (ja) * 2008-02-19 2013-06-05 株式会社岡本工作機械製作所 基板用の平面研削ヘッドシステム
KR101221781B1 (ko) * 2010-12-09 2013-01-11 창원대학교 산학협력단 자기베어링 예압 조절장치
US10556318B2 (en) * 2016-08-25 2020-02-11 Okamoto Machine Tool Works, Ltd. Automatic grinding apparatus
DE102017102094B4 (de) * 2017-02-02 2019-07-11 Steffen Nitschke Werkzeugmodul zur Feinbearbeitung
CN110542555A (zh) * 2019-07-18 2019-12-06 庆安集团有限公司 一种磁悬浮轴承工作异常的判别方法

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6233006B1 (en) 1997-05-27 2001-05-15 Samsong Industries, Ltd. Image change detecting machine by using character generator and method thereof

Also Published As

Publication number Publication date
US5573443A (en) 1996-11-12
JPH06134654A (ja) 1994-05-17

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