EP0976495A1 - Meuleuse à bande abrasive - Google Patents

Meuleuse à bande abrasive Download PDF

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Publication number
EP0976495A1
EP0976495A1 EP99114307A EP99114307A EP0976495A1 EP 0976495 A1 EP0976495 A1 EP 0976495A1 EP 99114307 A EP99114307 A EP 99114307A EP 99114307 A EP99114307 A EP 99114307A EP 0976495 A1 EP0976495 A1 EP 0976495A1
Authority
EP
European Patent Office
Prior art keywords
pressure
belt
workpiece
grinding
adjustment
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
EP99114307A
Other languages
German (de)
English (en)
Other versions
EP0976495B1 (fr
Inventor
Jürgen Dipl.-Ing. Heesemann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
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Individual
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Publication date
Application filed by Individual filed Critical Individual
Publication of EP0976495A1 publication Critical patent/EP0976495A1/fr
Application granted granted Critical
Publication of EP0976495B1 publication Critical patent/EP0976495B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
    • B24B49/16—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation taking regard of the load
    • 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
    • B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
    • B24B21/04—Machines or devices using grinding or polishing belts; Accessories therefor for grinding plane surfaces
    • B24B21/06—Machines or devices using grinding or polishing belts; Accessories therefor for grinding plane surfaces involving members with limited contact area pressing the belt against the work, e.g. shoes sweeping across the whole area to be ground
    • B24B21/08—Pressure shoes; Pressure members, e.g. backing belts
    • 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
    • B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
    • B24B21/04—Machines or devices using grinding or polishing belts; Accessories therefor for grinding plane surfaces
    • B24B21/10—Machines or devices using grinding or polishing belts; Accessories therefor for grinding plane surfaces involving a rigid member, e.g. pressure bar, table, pressing or supporting the belt over substantially its whole span

Definitions

  • the invention relates to a belt sander with an endless sanding belt guided around deflection rollers, a pressure shoe for Pressing the sanding belt against a workpiece using a pressure device and a pressure control with which a pressure force is adjustable.
  • Such a belt grinder is, for example, by EP 0 155 380 B1 known.
  • the belt sander described there has a link pressure bar with a variety of juxtaposed pressure shoes, which by means of a the contour of the workpiece detecting detection device are effectively or ineffectively controllable, so that only those for Workpiece pressure shoes actually needed in an effective Grinding position can be controlled when using the workpiece conveyed by a conveyor under the pressure beam becomes.
  • the intended setting of the pressure force of the effectively activated pressure shoes has in particular the function those pressure shoes with an edge piece of the workpiece have only a small contact area, with a lower pressure force to press on the workpiece to make an unwanted To prevent cylindrical grinding of the edges of the workpiece.
  • the pressure force is preferably controlled with a Electromagnet, the pressing force of which by its coil turns flowing electrical current depends.
  • other pressure devices possible for example act hydraulically or pneumatically.
  • the belt sander is the beginning mentioned type characterized by a the adjustment of the pressure shoe sensing detector arrangement and an evaluation device to influence the pressure control depending from the sensed adjustment of the pressure shoe.
  • a first effect is that the control of the pressing force by the pressure device the pressure shoe with a presses the specified pressure force towards the workpiece, however, this via the intermediate, endlessly circulating Sanding belt.
  • the pressure shoe clearly adjusted more than for a thicker workpiece.
  • the sanding belt between the pulleys is endless the greater deflection of the grinding belt also a higher one Counterforce due to the necessary belt tension of the grinding belt, and not just because of the counterforce of a resilient bearing a deflection roller of the grinding belt, which is the deflection allows, but also because of the larger angle that the Sanding belt between the edge of the pressure shoe and the neighboring one Takes pulley.
  • the invention can therefore be changed in the evaluation device the counterforce of the sanding belt depending on the Deflection of the grinding belt must be entered so that by the Measurement of the deflection by measuring the adjustment of the Pressure shoe the higher counterforce by a correspondingly higher Contact pressure can be compensated.
  • the surface of a thinner workpiece with the same pressure - and thus with the same grinding result - ground becomes like the surface of a thicker workpiece.
  • the present invention also allows compensation of Non-linearities of the displacement-force characteristic of the pressure device.
  • the one with a medium deflection of an electromagnet as a pressure device by a given excitation current generated pressure force changes at a lower or increased deflection, i.e. adjustment of the pressure shoe.
  • By detecting the adjustment of the pressure shoe according to the invention it is possible to change the pressure force accordingly, if the displacement-force characteristic of the pressure device is in the evaluation device what can be entered manually, but also in advance Operation can be done by measuring the pressure force.
  • belt grinders such as one Large number of side by side, one on the same Pressure shoes acting on the abrasive belt, a conveyor for conveying the workpiece relative to the Pressure bar and a detection device for the contour of the Workpiece and a control for switching on and off of the pressure shoes as a function of the signal from the detection device having.
  • the pressing force in the edge region of the workpiece can be done according to the invention make sense to adjust pressure shoes, in particular in the edge area of a workpiece, by a detected Adjustment of at least one pressure shoe in another Area of the workpiece, preferably in a central area, to limit. This will ensure that on never a higher grinding action in sensitive areas he follows.
  • the invention also allows such pressure shoes, which for Grinding the workpiece itself is not needed because of it lie just outside the contour of the workpiece, at least partially to adjust to achieve that the sanding belt not on the pressure shoe that is just on the edge of the workpiece is still effective, a relatively high curvature - and therefore one relatively high drag - that trains to an unwanted Reduction of the contact pressure in this area would result.
  • the edge pressure shoe required for grinding finds practically that same essentially linear course of the grinding belt like the inner pressure shoes.
  • Figure 1 shows a sanding belt 1, the endless around pulleys 2 is guided, two of which are shown in Figure 1 are.
  • a pressure shoe 3 is arranged between the deflection rollers, with the help of an electromagnet 4 as a pressure device can be pressed against the grinding belt 1 between the deflection rollers 2 is.
  • the pressure shoe 3 projects with a shaft 5 into the electromagnet 4 and is passed through by a predetermined current the coil of the electromagnet 4 is pushed out of the electromagnet 4.
  • a permanent magnet 6 is mounted on the pressure shoe 3, which together with a stationary on the housing of the electromagnet 4th held sensor 7, which is a magnetostrective sensor or Hall sensor can be as a position detector for the adjustment of the Pressure shoe 3 is used.
  • a counterforce F R which, as the parallelogram of forces shown in FIG. 1 shows, depends on the size of the two from dependent pressure shoe 3 extends to the guide roller 2 forces vectors F 1 and F 2 and the direction of the two vectors F 1, f 2.
  • the small deflection shown in FIG. 1 produces only a small counterforce F R , while the strong adjustment of the pressure shoe 3 shown in FIG.
  • the degree of deflection of the sanding belt 1 or the adjustment of the pressure shoe 3 is measured by the detector arrangement 6, 7 and used in an evaluation device (not shown) for generating a higher contact pressure compensating the higher counterforce F R , so that the pressure acting on the workpiece resulting force can be the same in both cases.
  • the output signal of Detector arrangement 6.7 can be controlled compensation.
  • FIG. 3 schematically shows the adjustment of pressure shoes 3 which has been customary up to now for a workpiece 8 which is transported under the pressure shoes 3 and the sanding belt 1. All pressure shoes 3 which are in alignment with the contour of the workpiece 8 are fed in for grinding, that is to say moved to a position S 2 . The pressure shoes 3 not affected by the contour of the workpiece 8 remain in their rest position S 0 . The pressure shoe acting only on the edge of the workpiece 8 is only equipped with a lower pressure force.
  • the sliding edge pressure shoe 3 is further adjusted to the position S 2 , but the adjacent pressure shoe, however, is adjusted to a position S 1 which is between the rest position S 0 and the grinding position S 2 .
  • This adjustment is possible according to the invention by the position detection of the pressure shoes 3.
  • the adjustment of the pressure shoe 3 which is not required for the grinding process to the position S 1 reduces that in the form of a counterforce due to the deformation of the grinding belt 1 on the grinding edge pressure shoe (position S 2 ).
  • the pressure shoe 3 which is adjacent to the grinding edge pressure shoe 3 and is no longer required for grinding is also moved into position S 2 , that is to say into position S 2 of the grinding edge -Pressure shoe 3 taken to relieve the grinding edge pressure shoe of all reaction forces of the sanding belt.
  • FIGS. 4 and 5 are due to the detector arrangements sensing the adjustment of the pressure shoes 3 6.7 realizable. With a mere control the pressing force F could not achieve this result.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Grinding Of Cylindrical And Plane Surfaces (AREA)
  • Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
EP99114307A 1998-07-28 1999-07-21 Meuleuse à bande abrasive Expired - Lifetime EP0976495B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19833881 1998-07-28
DE19833881A DE19833881C1 (de) 1998-07-28 1998-07-28 Bandschleifmaschine

Publications (2)

Publication Number Publication Date
EP0976495A1 true EP0976495A1 (fr) 2000-02-02
EP0976495B1 EP0976495B1 (fr) 2003-05-07

Family

ID=7875537

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99114307A Expired - Lifetime EP0976495B1 (fr) 1998-07-28 1999-07-21 Meuleuse à bande abrasive

Country Status (10)

Country Link
US (1) US6290570B1 (fr)
EP (1) EP0976495B1 (fr)
JP (1) JP4949544B2 (fr)
CN (1) CN1173802C (fr)
AT (1) ATE239585T1 (fr)
CA (1) CA2278912C (fr)
DE (3) DE19833881C1 (fr)
DK (1) DK0976495T3 (fr)
ES (1) ES2196686T3 (fr)
PT (1) PT976495E (fr)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10239191A1 (de) * 2002-08-21 2004-03-11 Heesemann, Jürgen, Dipl.-Ing. Schleifmaschine und Verfahren zum Schleifen eines Werkstücks
WO2005018876A1 (fr) * 2003-08-22 2005-03-03 Kündig Ag Commande d'un dispositif de poncage comportant des rouleaux de produit abrasif montes sur des arbres d'enroulement
JP2005305586A (ja) * 2004-04-20 2005-11-04 Nihon Micro Coating Co Ltd 研磨装置
CN1314515C (zh) * 2004-10-01 2007-05-09 梅县金象铜箔有限公司 电解铜箔阴极辊砂带抛磨的方法
KR20080098155A (ko) * 2007-05-04 2008-11-07 엘지전자 주식회사 곡면과 평면에 걸쳐 헤어라인이 연속 가공된 금속판재,곡면과 평면을 포함한 금속판재의 연속 헤어라인 가공 장치및 방법
ITMI20090097U1 (it) * 2009-03-25 2010-09-26 Imeas Spa Dispositivo per controllare la posizione di un nastro abrasivo
DE102010007056A1 (de) * 2009-05-15 2010-11-18 Robert Bosch Gmbh Schleifmittelandruckeinheit und Bandschleifmaschine mit Schleifmittelandruckeinheit
CH701756A1 (de) * 2009-09-07 2011-03-15 Kuendig Ag Querband-Schleifvorrichtung mit Einsatzsteuerung der ganzen Schleifeinheit.
CN101791782B (zh) * 2010-03-31 2011-09-28 友达光电（苏州）有限公司 研磨装置
CN102294638A (zh) * 2010-06-22 2011-12-28 安东石油技术（集团）有限公司 一种可以提高砂带磨床磨削质量的砂带磨床及其使用方法
DE102011050681A1 (de) * 2011-05-27 2012-11-29 Hans Weber Maschinenfabrik Gmbh Durchlaufschleifmaschine
CN203592375U (zh) * 2013-06-08 2014-05-14 成都天磐科技有限责任公司 用于木料打磨的气动控制打磨机
JP6488775B2 (ja) * 2015-03-09 2019-03-27 東洋製罐グループホールディングス株式会社 ダイヤモンド表面の研磨方法およびそれを実施する装置
CN104741999B (zh) * 2015-04-21 2017-03-08 吴伟南 一种双层自动平砂设备
CN107214592A (zh) * 2016-03-22 2017-09-29 广东罗庚机器人有限公司 自动纠偏装置
DE102016214568A1 (de) * 2016-08-05 2018-02-08 Weeke Bohrsysteme Gmbh Bearbeitungsvorrichtung und Bearbeitungsverfahren
KR101904268B1 (ko) * 2017-01-12 2018-10-04 주식회사 케이씨텍 기판 처리 장치
JP6852034B2 (ja) * 2018-10-15 2021-03-31 本田技研工業株式会社 研磨装置
DE102019207744A1 (de) * 2019-05-27 2020-12-03 Robert Bosch Gmbh Verfahren zum Ermitteln einer Zustandsinformation betreffend eine Bandschleifmaschine mittels eines maschinellen Lernsystems
DE102019207746A1 (de) * 2019-05-27 2020-12-03 Robert Bosch Gmbh Verfahren zum Ermitteln einer Zustandsinformation betreffend eine Bandschleifmaschine mittels eines maschinellen Lernsystems
DE102019207745A1 (de) * 2019-05-27 2020-12-03 Robert Bosch Gmbh Verfahren zum Erfassen einer auf einem Schleifband vorgesehenen Information
CN111571391B (zh) * 2020-05-28 2022-03-15 广东南粤建筑工程有限公司 一种预制板铺设用打磨器
CN115805495B (zh) * 2023-01-19 2023-06-02 扬州禧德制造技术有限公司 一种磨削加工设备

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0155380A1 (fr) * 1984-01-21 1985-09-25 Karl Heesemann Maschinenfabrik GmbH & Co KG Ponceuse à bande
EP0571343A1 (fr) * 1992-05-21 1993-11-24 Dmc S.P.A. Ponceuse pour panneaux de bois
JPH05318305A (ja) * 1991-09-27 1993-12-03 Amitec Corp ワイドベルトサンダー機

Family Cites Families (8)

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Publication number Priority date Publication date Assignee Title
US4527359A (en) * 1984-04-23 1985-07-09 Timesavers, Inc. Segmented platen with diaphragm cylinder control
DE3639329C1 (de) * 1986-11-18 1988-02-25 Heesemann Karl Masch Bandschleifmaschine
JP2516480B2 (ja) * 1990-12-28 1996-07-24 アミテック株式会社 ワイドベルトサンダ―機の踏圧装置
JPH05208365A (ja) * 1992-01-30 1993-08-20 Sinto Brator Co Ltd 精密研摩仕上方法及びその装置
JP2597065B2 (ja) * 1992-04-02 1997-04-02 株式会社丸仲鉄工所 ワイドベルトサンダーの研削方法
JPH079334A (ja) * 1993-06-23 1995-01-13 Shin Meiwa Ind Co Ltd 自動研削ロボット
JPH07227748A (ja) * 1994-02-18 1995-08-29 Hitachi Zosen Corp 形鋼の鏡面研磨下地研削装置
JP3142244B2 (ja) * 1996-08-23 2001-03-07 アミテック株式会社 ベルトサンダー機

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0155380A1 (fr) * 1984-01-21 1985-09-25 Karl Heesemann Maschinenfabrik GmbH & Co KG Ponceuse à bande
EP0155380B1 (fr) 1984-01-21 1987-11-11 Karl Heesemann Maschinenfabrik GmbH & Co KG Ponceuse à bande
JPH05318305A (ja) * 1991-09-27 1993-12-03 Amitec Corp ワイドベルトサンダー機
EP0571343A1 (fr) * 1992-05-21 1993-11-24 Dmc S.P.A. Ponceuse pour panneaux de bois

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 018, no. 130 (M - 1570) 3 March 1994 (1994-03-03) *

Also Published As

Publication number Publication date
ES2196686T3 (es) 2003-12-16
US6290570B1 (en) 2001-09-18
JP2000042892A (ja) 2000-02-15
CN1173802C (zh) 2004-11-03
DE19833881C1 (de) 1999-10-21
JP4949544B2 (ja) 2012-06-13
PT976495E (pt) 2003-09-30
CN1246401A (zh) 2000-03-08
DE59905417D1 (de) 2003-06-12
DE29910147U1 (de) 1999-08-12
CA2278912C (fr) 2006-09-12
CA2278912A1 (fr) 2000-01-28
ATE239585T1 (de) 2003-05-15
DK0976495T3 (da) 2003-07-21
EP0976495B1 (fr) 2003-05-07

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