EP0976495B1 - Meuleuse à bande abrasive - Google Patents

Meuleuse à bande abrasive Download PDF

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Publication number
EP0976495B1
EP0976495B1 EP99114307A EP99114307A EP0976495B1 EP 0976495 B1 EP0976495 B1 EP 0976495B1 EP 99114307 A EP99114307 A EP 99114307A EP 99114307 A EP99114307 A EP 99114307A EP 0976495 B1 EP0976495 B1 EP 0976495B1
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.)
Expired - Lifetime
Application number
EP99114307A
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German (de)
English (en)
Other versions
EP0976495A1 (fr
Inventor
Jürgen Dipl.-Ing. Heesemann
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Individual
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Individual
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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 To guide pulleys guided grinding belt, a pressure shoe for Press the abrasive belt against a workpiece by means of a pressure device and a pressing control with which a pressing force is adjustable.
  • Such a belt grinding machine is for example by the EP 0 155 380 B1.
  • the belt grinding machine described there has a manifold pressure bar with a plurality 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 the Workpiece actually needed pressure shoes in an effective Grinding position to be controlled when the workpiece by means of conveyed through a conveyor under the pressure bar becomes.
  • the case provided adjustment of the pressing force of Effectively switched pressure shoes in particular has the function those pressure shoes with an edge piece of the workpiece have only a small contact surface, with a lower pressure force to press on the workpiece to an unwanted To prevent cylindrical grinding of the edges of the workpiece.
  • the control of Pressure force is preferably carried out with an electromagnet whose Pressing force of the electrical current flowing through its coil turns Electricity depends.
  • other pressure devices are possible, which act, for example, hydraulically or pneumatically.
  • JP 05-318305 A discloses a belt grinding machine in which the Pressure bar also by a variety of transverse to the conveying direction arranged pressure shoes is formed. Before the pressure shoes is the one Contour detection of the workpiece detecting means provided with the - as in EP 0 155 380 B1 - the instantaneous thickness of Workpiece is measured. Depending on the thickness of the workpiece the pressure shoes are adjusted in height, so over the controlled Stroke of the pressure shoes a uniform pressure force on the surface of the Workpiece, regardless of its thickness variations, to be realized. On the vertical displacement of the pressure shoe are three switches provided, of which the two outer as a limit switch and a middle one intended as a reference point switch.
  • a first effect is that the control of the pressure force by the Pressure device while the pressure shoe with a predetermined Pressing force in the direction of the workpiece, but this over the intermediate, endless revolving belt.
  • the pressure shoe With a thinner Workpiece becomes the pressure shoe obviously more adjusted than for a thicker workpiece.
  • There the sanding belt is guided endlessly between deflection rollers, causes the stronger deflection of the sanding belt also a higher Counterforce due to the necessary belt tension of the sanding belt, and not only because of the opposing force of a resilient mounting a deflection roller of the sanding 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 adjacent Pulley takes.
  • the invention can therefore in the evaluation a change the counterforce of the abrasive belt depending on the Deflection of the abrasive belt be entered so that through the Measurement of the deflection by measuring the adjustment of the Pressure shoe the higher drag by a correspondingly higher Pressure force can be compensated. It follows that 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 path-force characteristic of the pressure device.
  • the at a medium deflection of an electromagnet as a pressure device by a predetermined excitation current generated contact pressure undergoes changes at a lower or increased deflection, so adjustment of the pressure shoe.
  • By the detection according to the invention of the adjustment of the pressure shoe is it possible to change the pressure force accordingly, if in the evaluation device the path-force characteristic of the pressure device can be entered, which is manual in advance, but also in the Operation can be done by measuring the pressure force.
  • the invention further allows such pressure shoes, the Grinding the workpiece by itself will not be needed because of it just outside the contour of the workpiece are, at least partially to adjust, to achieve that the sanding belt not on the pressure shoe, which is straight on the edge of the workpiece is still effective, a relatively high curvature - and thus one relatively high drag - trains that become an unwanted Reduction of the pressure force in this area would result. Due to the adjustment of the grinding itself no longer needed adjacent pressure shoe in the direction of the workpiece finds the required for grinding edge pressure shoe practically the equal in essence linear course of the abrasive belt like the further inside pressure shoes.
  • Figure 1 reveals a grinding belt 1, which endlessly around pulleys 2, of which two are shown in FIG are.
  • a pressure shoe 3 is arranged, with the help of an electromagnet 4 as a pressure device pressed against the sanding belt 1 between the pulleys 2 is.
  • the pressure shoe 3 projects with a shaft 5 in the electromagnet 4 in and is through a predetermined current through the coil of the electromagnet 4 is pushed out of the electromagnet 4.
  • a permanent magnet 6 is mounted, which together with a fixed to the housing of the electromagnet 4th held sensor 7, which is a magnetostrictive sensor or Hall sensor can be as position detector for the adjustment of the Pressure shoe 3 is used.
  • the tension of the sanding belt 1 is caused by the pressure shoe 3 deflecting movement of the sanding belt 1 from the straight connection between the two pulleys 2 out a counter force F R , which, as the force parallelogram shown in Figure 1, of the size of the two of 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.
  • a counterforce F R is generated by the small deflection shown in FIG. 1, while in the strong adjustment of the pressure shoe 3 shown in FIG. 2 and the associated large deflection of the sanding belt 1 between the two Pulleys 2 a significantly larger counterforce F R arises.
  • the degree of deflection of the sanding belt 1 and the adjustment of the pressure shoe 3 is measured by the detector assembly 6,7 and used in a (not shown) evaluation for generating a higher reaction force F R compensating higher pressure force, so that the force acting on the workpiece resulting force in both cases can be the same size.
  • the output signal of the Detector arrangement 6,7 compensation can be controlled.
  • FIG. 3 schematically shows the hitherto customary adjustment of pressure shoes 3 for a workpiece 8 transported under the pressure shoes 3 and the sanding belt 1. All pressure shoes 3, which are aligned with the contour of the workpiece 8, are delivered for grinding, that is, 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 thereby equipped only with a lower pressure force.
  • the sliding edge pressure shoe 3 is further adjusted to the position S 2 , the adjacent pressure shoe but then to a position S 1 , which between the rest position S 0 and the grinding position S 2 is located.
  • This adjustment is possible according to the invention by the position detection of the pressure shoes 3.
  • the adjustment of the pressure shoe 3 not required for the grinding process to the position S 1 reduces the deformation of the sanding belt 1 on the sanding edge pressure shoe (position S 2 ) in the form of a counterforce.
  • FIGS. 4 and 5 are due to the adjustment of the pressure shoes 3 sensing detector assemblies 6.7 feasible. With a mere control the pressing force F could not be achieved 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)

Claims (5)

  1. Ponceuse à bande comprenant une bande abrasive (1) guidée sans fin sur des poulies (2), un sabot presseur (3) pour presser la bande abrasive (1) contre une pièce d'oeuvre (8) au moyen d'un dispositif d'appui (4), et une commande d'appui, avec laquelle la force d'appui est réglable, caractérisée par un agencement détecteur (6,7) captant la déflexion du sabot d'appui (3), et un dispositif de traitement pour influencer la commande d'appui en fonction de la déflexion du sabot d'appui (3) telle que captée.
  2. Ponceuse à bande selon la revendication 1, caractérisée en ce qu'il est possible d'entrer dans le dispositif de traitement une modification de la réaction (FR) de la bande abrasive (1) en fonction de la déviation de la bande abrasive (1).
  3. Ponceuse à bande selon la revendication 1 ou 2, caractérisée en ce qu'il est possible d'entrer dans le dispositif de traitement la caractéristique force-course du dispositif d'appui (4).
  4. Ponceuse à bande selon l'une des revendications 1 à 3, comprenant plusieurs sabots d'appui (3) disposés côte à côte et constituant une poutre d'appui agissant sur la même bande abrasive (1), un dispositif de transport pour transporter la pièce d'oeuvre (8) relativement à la poutre d'appui, ainsi qu'un dispositif de détection pour le contour de la pièce d'oeuvre (8) et une commande pour la commutation actif-inactif des sabots d'appui (3) en fonction du signal du dispositif de détection, caractérisée par une limitation de la déflexion de sabots d'appui (3), en particulier dans la zone de bord d'une pièce d'oeuvre (8), par une déflexion détectée d'au moins un sabot d'appui (3) dans une autre zone de la pièce d'oeuvre (8).
  5. Ponceuse à bande selon l'une des revendications 1 à 4, comprenant plusieurs sabots d'appui (3) disposés côte à côte et constituant une poutre d'appui agissant sur la même bande abrasive (1), un dispositif de transport pour transporter la pièce d'oeuvre (8) relativement à la poutre d'appui, ainsi qu'un dispositif de détection pour le contour de la pièce d'oeuvre (8) et une commande pour la commutation actif-inactif des sabots d'appui (3) en fonction du signal du dispositif de détection, caractérisée en ce qu'avec le dispositif de traitement il est possible de commander une déflexion au moins partielle d'un sabot d'appui (3) qui en lui-même n'est pas nécessaire pour le ponçage de la pièce d'oeuvre (8).
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
DE19833881A DE19833881C1 (de) 1998-07-28 1998-07-28 Bandschleifmaschine
DE19833881 1998-07-28

Publications (2)

Publication Number Publication Date
EP0976495A1 EP0976495A1 (fr) 2000-02-02
EP0976495B1 true 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
EP1656237B1 (fr) * 2003-08-22 2007-08-22 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
CN103659537A (zh) * 2013-06-08 2014-03-26 成都天磐科技有限责任公司 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
DE102019207745A1 (de) * 2019-05-27 2020-12-03 Robert Bosch Gmbh Verfahren zum Erfassen einer auf einem Schleifband vorgesehenen Information
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
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

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Publication number Priority date Publication date Assignee Title
DE3402104C2 (de) * 1984-01-21 1986-07-17 Karl Heesemann Maschinenfabrik GmbH & Co KG, 4970 Bad Oeynhausen Bandschleifmaschine
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
JP2589614B2 (ja) * 1991-09-27 1997-03-12 アミテック株式会社 ワイドベルトサンダー機
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
IT1257801B (it) * 1992-05-21 1996-02-13 Dmc Spa Macchina levigatrice di pannelli in legno
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

Also Published As

Publication number Publication date
PT976495E (pt) 2003-09-30
DE29910147U1 (de) 1999-08-12
EP0976495A1 (fr) 2000-02-02
JP2000042892A (ja) 2000-02-15
US6290570B1 (en) 2001-09-18
CN1246401A (zh) 2000-03-08
DE59905417D1 (de) 2003-06-12
DE19833881C1 (de) 1999-10-21
ES2196686T3 (es) 2003-12-16
CA2278912A1 (fr) 2000-01-28
CA2278912C (fr) 2006-09-12
ATE239585T1 (de) 2003-05-15
CN1173802C (zh) 2004-11-03
JP4949544B2 (ja) 2012-06-13
DK0976495T3 (da) 2003-07-21

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