EP1656237B1 - Commande d'un dispositif de poncage comportant des rouleaux de produit abrasif montes sur des arbres d'enroulement - Google Patents

Commande d'un dispositif de poncage comportant des rouleaux de produit abrasif montes sur des arbres d'enroulement Download PDF

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Publication number
EP1656237B1
EP1656237B1 EP04761869A EP04761869A EP1656237B1 EP 1656237 B1 EP1656237 B1 EP 1656237B1 EP 04761869 A EP04761869 A EP 04761869A EP 04761869 A EP04761869 A EP 04761869A EP 1656237 B1 EP1656237 B1 EP 1656237B1
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EP
European Patent Office
Prior art keywords
sanding
grinding
abradant
feed
control
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.)
Active
Application number
EP04761869A
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German (de)
English (en)
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EP1656237A1 (fr
Inventor
Hans Rudolf KÜNDIG
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.)
Kuendig AG
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Kuendig AG
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Publication date
Application filed by Kuendig AG filed Critical Kuendig AG
Publication of EP1656237A1 publication Critical patent/EP1656237A1/fr
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Publication of EP1656237B1 publication Critical patent/EP1656237B1/fr
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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
    • B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
    • B24B21/004—Machines or devices using grinding or polishing belts; Accessories therefor using abrasive rolled strips
    • 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
    • B24B47/00—Drives or gearings; Equipment therefor
    • B24B47/20—Drives or gearings; Equipment therefor relating to feed movement
    • 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

Definitions

  • the invention describes the method for controlling a grinding device with rollers, which are unwound to obtain the results of grinding on winding shafts and an intermediate contact device.
  • a grinding device with rollers, which are unwound to obtain the results of grinding on winding shafts and an intermediate contact device.
  • Such a device is out WO-A-02/02270 known. It shows how the feeding of workpieces can be carried out continuously and the grinding processes can be carried out in a continuous sequence. This both when the direction of rotation of the abrasive carrier is relevant as well as if this is irrelevant.
  • this invention serves 1, with the elevational view of a form of conventional sanding with flexible abrasives, comprising an endless sanding belt (11), which via a contact device (12) along the workpiece transport (13) to a drive roller (14) and a guide roller ( 15) rotates the drawing 2 with the outline illustration of the invention underlying type of grinding, comprising a roll of flexible abrasive (16) lying on a transversely to the workpiece transport and in the feed direction r rotating unwinding shaft (17), a parallel to her rotating take-up shaft (18) and one between the two shafts, also transversely to the workpiece transport (13) extending contact device (12) with pre resp. downstream deflection rollers (19, 20), a feed system (21), and at the machine inlet with a by the control unit described in the invention (23) controlled barrier (22).
  • the conventional form of continuous surface grinding with flexible abrasives makes use of the endless belts, usually in an arrangement as shown in drawing 1.
  • the disadvantages of endless belts are their relative cumbersome and costly packaging, its bulky shape during transport and storage, its limited service life due to its limited dimensions and its qualitative imperfections, due to the joint and the rapid repetition of any grain defects on the workpiece.
  • the fact that their use could still not be dispensed with on the one hand was due to the requirement of relatively high grinding speeds for the most common materials and thus the need for correspondingly fast, continuous provision of grains for the grinding process, and secondly to the impossibility of conventional materials in the event of changes in grinding direction to achieve qualitatively identical results (in wood, for example, due to its fibrous structure).
  • Only the continuous development of the sanding belt also allowed an equally continuous workpiece loading.
  • the invention is based on a Abwickelwelle (17) on which a roll (16) of abrasive on carrier material, usually an abrasive paper is applied, a contact device (12) and a take-up shaft (18) which receives the unwound abrasive again ,
  • the contact device is usually a contact roller or a continuous or composed of individual segments beam, ie a so-called sanding pad.
  • the sandpaper is wound back and forth again and again, after each pass, the take-up shaft respectively to the unwinding shaft and the unwinding shaft again to the take-up shaft.
  • the subject of the present invention is the combination of the grinding device described above with a controller (23), which solves the problem of discontinuities in feeding and the grinding process.
  • the grinding device in the form known by the Paul Ernst patent In practice, it can only be used for grinding small batches or individual pieces. After reaching the end of the abrasive roll, this device is temporarily not available for feeding with workpieces until the direction of rotation is reversed. For materials that always have to be ground to feed in the same direction due to their structure (eg wood, as a rule, in the opposite direction), the rewinding process of the entire abrasive roll must first be awaited for such materials.
  • the present invention now takes into account, on the one hand, the changing requirements of novel materials, surfaces and grinding processes. These (for example, the sanding of painted surfaces) often refer to homogeneous surfaces on which consistent sanding results even with opposite sanding directions. On the other hand, significantly lower removal rates are required, which are expediently achieved with lower grinding speeds (eg 5 m / sec.) And thus longer unwinding times. Furthermore, and above all, however, the control of the machine feed in function of the provision of abrasives by means of electronic controls is detachable, ie the bridging of discontinuities in the grinding operation has become manageable.
  • the controller (23) forming an integral part of the invention can manage various parameters, namely (the following list is not exhaustive):
  • the entire grinding device is turned after reaching the end of the sanding paper roll, in order to then take their course in the same direction again.
  • the rotation for this purpose is done by 180 degrees about the axis a of the grinding device.
  • the grinding device whether transversely or obliquely or longitudinally arranged, can also be rotated at any other angle.
  • assemblies - can also be used. Alternating are the one assembly in the grinding process, the other (after reaching the roll end) in the rapid return of the abrasive or the turning of the assembly.
  • the controller assumes the appropriate allocation of the module functions to the grinding insert resp. the return or the turning.
  • the position of the workpiece is determined and its feed is controlled into the device itself or under the contact device (12). This, for example, by a correspondingly controlled barrier (22) at the inlet (in function of the winding progress) and / or by acting on the conveyor device itself.
  • the feed rate of the feed system (21) must be controlled accordingly, d. H. increased / reduced / stopped / started.
  • the control system determines the remaining amount and time of abrasive material until it is reversed and initiates the optimal deceleration time of the winding and correspondingly the use of the individual assemblies (see III.).
  • the controller can use the winding speed to optimize the usable time for the grinding process.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Crushing And Grinding (AREA)

Claims (1)

  1. Procédé pour la commande d'un dispositif de polissage, qui enroule ou déroule le support de l'abrasif sur un appareil à contact (12), permettant en permanence de relever, piloter et optimiser la position d'un ou de plusieurs de ces dispositifs de polissage, le déroulement du matériau de polissage, le mouvement continu et la position de la pièce (13), qui permet l'alimentation continue de ce dispositif et le polissage en série, caractérisé en ce que la commande (23) distingue les cas suivants :
    a) S'il n'est pas important au niveau du résultat que le polissage soit effectué transversalement, longitudinalement, dans le sens ou dans le sens inverse de la direction de travail, le sens de rotation est interverti lorsque la fin du rouleau de toile émeri est atteinte ;
    b) Si le sens de polissage est important, soit le dispositif de polissage dans son ensemble est pivoté à la fin du rouleau de toile émeri, soit il est piloté avec le sens de rotation requis à partir de plusieurs dispositifs de polissage.
EP04761869A 2003-08-22 2004-08-16 Commande d'un dispositif de poncage comportant des rouleaux de produit abrasif montes sur des arbres d'enroulement Active EP1656237B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH14382003 2003-08-22
PCT/CH2004/000508 WO2005018876A1 (fr) 2003-08-22 2004-08-16 Commande d'un dispositif de poncage comportant des rouleaux de produit abrasif montes sur des arbres d'enroulement

Publications (2)

Publication Number Publication Date
EP1656237A1 EP1656237A1 (fr) 2006-05-17
EP1656237B1 true EP1656237B1 (fr) 2007-08-22

Family

ID=34200991

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04761869A Active EP1656237B1 (fr) 2003-08-22 2004-08-16 Commande d'un dispositif de poncage comportant des rouleaux de produit abrasif montes sur des arbres d'enroulement

Country Status (5)

Country Link
US (1) US8317570B2 (fr)
EP (1) EP1656237B1 (fr)
AT (1) ATE370817T1 (fr)
DE (1) DE502004004754D1 (fr)
WO (1) WO2005018876A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9637263B2 (en) * 2010-10-20 2017-05-02 Siemens Industry, Inc. Film-wrapped bundle opener
DE102011050681A1 (de) * 2011-05-27 2012-11-29 Hans Weber Maschinenfabrik Gmbh Durchlaufschleifmaschine
US9488152B2 (en) * 2013-05-29 2016-11-08 Ford Global Technologies, Llc Method for purging condensate from a charge air cooler
US9127607B2 (en) 2013-05-29 2015-09-08 Ford Global Technologies, Llc Method for purging condensate from a charge air cooler
DE102017108191A1 (de) * 2017-04-18 2018-10-18 Rud. Starcke Gmbh & Co. Kg Verfahren zum partiellen Schleifen einer Oberfläche sowie Schleifeinrichtung
JP6852034B2 (ja) * 2018-10-15 2021-03-31 本田技研工業株式会社 研磨装置
CN111002185B (zh) * 2019-11-27 2021-07-23 烟台南山学院 一种机械磨光装置

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE419193B (sv) * 1979-04-25 1981-07-20 Bertil Jonasson Anordning vid en bladslipmaskin som omfattar minst ett slipaggregat vid vilket er anordnade slipdjupet paverkande anslagsorgan och minst ett tryckbord for anpressning av arbetstycket mot slipaggregatet och ...
DE3402104C2 (de) * 1984-01-21 1986-07-17 Karl Heesemann Maschinenfabrik GmbH & Co KG, 4970 Bad Oeynhausen Bandschleifmaschine
DE8630816U1 (fr) * 1986-11-18 1988-12-01 Karl Heesemann Maschinenfabrik Gmbh & Co Kg, 4970 Bad Oeynhausen, De
DE3639329C1 (de) * 1986-11-18 1988-02-25 Heesemann Karl Masch Bandschleifmaschine
DE4239195A1 (de) * 1992-11-21 1994-05-26 Schaudt Maschinenbau Gmbh Verfahren und Maschine zum Schleifen von Nocken
AU684776B2 (en) * 1993-05-26 1998-01-08 Minnesota Mining And Manufacturing Company Method of providing a smooth surface on a substrate
ES2081792T1 (es) * 1994-05-24 1996-03-16 Timesavers Inc Topes limitadores de desplazamiento automaticamente asegurables para zapatas de presion usadas en una maquina de acabado con abrasivo.
IT1285683B1 (it) * 1996-04-23 1998-06-18 Scm Group Autec Division Spa Macchina levigatrice, in particolare per pannelli in legno
JPH1034514A (ja) * 1996-07-24 1998-02-10 Sanshin:Kk 表面研磨加工方法及びその装置
WO1998005473A1 (fr) * 1996-08-01 1998-02-12 Radtec, Inc. Machine de microfinition
DE19833881C1 (de) * 1998-07-28 1999-10-21 Juergen Heesemann Bandschleifmaschine
US6589105B2 (en) * 1998-12-01 2003-07-08 Nutool, Inc. Pad tensioning method and system in a bi-directional linear polisher
US6634935B2 (en) * 1998-12-01 2003-10-21 Nutool, Inc. Single drive system for a bi-directional linear chemical mechanical polishing apparatus
US6500056B1 (en) * 2000-06-30 2002-12-31 Lam Research Corporation Linear reciprocating disposable belt polishing method and apparatus
AU2001263709A1 (en) * 2000-07-03 2002-01-14 Kundig Ag Sanding device comprising abrasive rolls mounted on winding shafts
DE20106234U1 (de) * 2001-04-10 2001-06-21 Mb Maschb Gmbh Schleifvorrichtung

Also Published As

Publication number Publication date
ATE370817T1 (de) 2007-09-15
US8317570B2 (en) 2012-11-27
WO2005018876A1 (fr) 2005-03-03
US20110130078A1 (en) 2011-06-02
EP1656237A1 (fr) 2006-05-17
DE502004004754D1 (de) 2007-10-04

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