EP2488264B1 - Machining device for skis - Google Patents

Machining device for skis Download PDF

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Publication number
EP2488264B1
EP2488264B1 EP10776524.0A EP10776524A EP2488264B1 EP 2488264 B1 EP2488264 B1 EP 2488264B1 EP 10776524 A EP10776524 A EP 10776524A EP 2488264 B1 EP2488264 B1 EP 2488264B1
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EP
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Prior art keywords
grindstone
skis
roller table
grinding
measuring device
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EP10776524.0A
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German (de)
French (fr)
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EP2488264A2 (en
Inventor
Johann Aigner
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Wintersteiger AG
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Wintersteiger AG
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    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C11/00—Accessories for skiing or snowboarding
    • A63C11/04—Accessories for skiing or snowboarding for treating skis or snowboards
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C5/00—Skis or snowboards
    • A63C5/04—Structure of the surface thereof
    • A63C5/056—Materials for the running sole

Definitions

  • the invention relates to a processing device for skis with a roller table, the skis are resiliently mounted with their treads receiving roller table rollers, provided with a between two roller conveyor rollers, drivable grindstone for structuring the tread of the skis and with an opposite on the grindstone side the roller table arranged feed wheel, which presses the skis with the aid of a Anstelltriebs with a predetermined grinding force to the grindstone.
  • the grindstones used for this purpose are structured by means of dressing tools, which can be generated by the choice of relative axial movement and the relative movement in the circumferential direction between the at least one dressing diamond having dresser and the grindstone various surface structures on the grindstone.
  • dressing tools can be generated by the choice of relative axial movement and the relative movement in the circumferential direction between the at least one dressing diamond having dresser and the grindstone various surface structures on the grindstone.
  • the grinding forces must be kept within close tolerances because changes in the grinding forces directly result in a change in the cutting behavior and thus in the depth of the structure.
  • Such structural changes over the ski length are particularly undesirable in racing, regardless of whether it is to work alpine skis, cross country skis or jumping skis, for each of which other tread structures are provided.
  • the invention is therefore based on the object, a feed device for skis of the type described in such a way that the running surface of the skis can be processed with a fine structure, which also meets high demands in terms of manufacturing tolerances.
  • the invention solves this problem by the fact that the Anstellrete for the feed wheel via a control device in response to a support forces for the grindstone in the direction of the grinding force at least partially receiving force measuring device can be controlled.
  • the invention takes into account the fact that the forces exerted by the Anstelltechnisch on the feed wheel on the respective ski compressive forces even with a precise balance of the weight moment of the feed wheel and resiliently mounted roller table rollers do not fully pass through the grindstone, so that actually effective grinding forces of the Beauftschungs weren the Anstellantriebs deviate, for example, characterized in that the feed wheel occupies different Anstelllagen when rolling over a binding section.
  • the effective between the skis and the grindstone grinding forces can be detected if the effective in the detection direction on the force measuring device weight loads by the grindstone itself and its storage are taken into account, what without additional Effort can be easily performed by measuring the force acting on the force measuring forces at the Anstelltik relieved by the feed wheel whetstone.
  • the setting drive can thus be controlled as a function of the respectively effective grinding forces detected by the force measuring device such that these grinding forces follow a desired setting.
  • the grindstone Since wear of the grindstone must be expected, the grindstone to comply with a predetermined working surface according to the wear against the roller table to relocate.
  • the grindstone can be adjusted by means of an actuator transverse to the roller table.
  • the grindstone can be supported on the actuator via the force measuring device.
  • Another possibility of arranging the force measuring device results when the force measuring device is provided in the bearing area of the grindstone. Such an arrangement of the force measuring device brings with it the advantage that the force measuring device is designed essentially only for the detection of the grinding forces increased by the weight of the grinding wheel.
  • the force measuring device is provided by the force measuring device occurring vibrations in the area of the grinding wheel are detected, which can be advantageously evaluated for monitoring the concentricity of the grinding wheel. Since the grindstone is also excited to vibrate with the use of the peeling tool, these vibrations detected by the force measuring device can be used to control the setting drive for the peeling tool.
  • the detection of the effective directly between the ski and the grindstone grinding forces provided in the course of the grindstone support against these grinding forces force measuring device additionally allows depending on the respective ski width setpoint specification for the grinding forces, because yes not the grinding forces, but the grinding pressure is decisive for accurate tread so that to maintain a uniform grinding pressure, the grinding force is to be reduced, for example, in the area of the sidecut of the skis.
  • the grinding force can thus be regulated as a function of the course of the ski width over the ski length.
  • the ski width can be determined in a simple manner via guide rollers, which center the ski in a conventional manner between them.
  • the illustrated processing device for skis 1 comprises a frame 2 with a roller table 3, the roller table rollers 4 are mounted resiliently and absorb the skis 1 with its tread 5.
  • the roller table rollers 4 are associated with guide rollers 6 which center the skis 1 with respect to their longitudinal axis.
  • a grindstone 7 is mounted below the roller table 3, in a frame 8 hinged on an axis 8 rocker 9, which is displaceable by means of an actuator 10, for example a driven by an electric motor 11 spindle drive, to adjust the working area of the grindstone 7 relative to the roller table 3.
  • a light barrier is provided whose transmitter and receiver are denoted by 12.
  • the mounting of the grindstone 7 in a rocker 9 is not mandatory.
  • the grindstone 7 could for example be mounted adjustably in a linear guide.
  • the grindstone 7 opposite a feed wheel 14 is provided above the roller table 3, which is driven by a motor 15 and is made with the help of a Anstelltriebs 16 from above on the skis 1 with pressure.
  • the Anstellmaschine 16 is pivoted in the present embodiment by a geared motor 17 and a via the geared motor 17 Swivel arm 18 formed.
  • the ski 1 is pressed against the grindstone 7 via the feed wheel 14, the grinding forces acting between the ski 1 and the grindstone 7 being detected via the force measuring device 13.
  • the drive and storage and the entire structure of the rocker 9 caused weight load of the force measuring device 13 through this and forwarded to the controller 19, so that these weight loads in the proportionate Determining the grinding forces in the control unit can be taken into account in order to control the Anstelltrieb 16 for the feed wheel 14 so that the ski 1 is just applied to the reference value corresponding grinding force.
  • the feed wheel 14 for example, when rolling over a patch binding bridge shifts and depending on it with a different contact pressure on the ski 1 must be pressed to keep the grinding forces constant.
  • abrasive structure of the grindstone 7 with a dressing tool 20, z.
  • a dressing diamonds processed over the movement of the dressing tool 20 axially to the grindstone 7 and the rotational speed of the grindstone 7 a plurality of abrasive structures on the peripheral surface of the grindstone 7 can be generated to then with a predetermined by appropriate dressing parameters grinding structure, the tread of Skis 1 to edit, under an accurate regulation of the required for the desired tread structure grinding forces.
  • a scraper 21 For cleaning the grindstone 7, a scraper 21 is provided.
  • the grindstone 7 may be wet-sanded with a grinding liquid, in general Water with a grinding coolant, to be sprayed.
  • the nozzle for applying the grinding liquid is designated 22. Since the grindstone 7 absorbs grinding liquid due to its porosity, whose weight additionally loads the force measuring device 13, this additional weight load for determining the actually effective grinding forces can be detected by determining the load of the force measuring device 13 by the wet grindstone before starting the feed wheel 14 the control device 19 is forwarded.

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  • Grinding Of Cylindrical And Plane Surfaces (AREA)
  • Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)

Description

Technisches GebietTechnical area

Die Erfindung bezieht sich auf eine Bearbeitungsvorrichtung für Skier mit einem Rollgang, dessen die Skier mit ihren Laufflächen aufnehmende Rollgangsrollen federnd nachgiebig gelagert sind, mit einem zwischen zwei Rollgangsrollen vorgesehenen, antreibbaren Schleifstein zum Strukturieren der Lauffläche der Skier und mit einem auf der dem Schleifstein gegenüberliegenden Seite des Rollgangs angeordneten Vorschubrad, das die Skier mit Hilfe eines Anstelltriebs mit einer vorgebbaren Schleifkraft an den Schleifstein andrückt.The invention relates to a processing device for skis with a roller table, the skis are resiliently mounted with their treads receiving roller table rollers, provided with a between two roller conveyor rollers, drivable grindstone for structuring the tread of the skis and with an opposite on the grindstone side the roller table arranged feed wheel, which presses the skis with the aid of a Anstelltriebs with a predetermined grinding force to the grindstone.

Stand der TechnikState of the art

Um die Gleitreibung zwischen Schnee und der Lauffläche eines Skis zu beeinflussen, ist es unter anderem bekannt, die Lauffläche mit einer bestimmten Struktur zu schleifen. Die zu diesem Zweck eingesetzten Schleifsteine werden mit Hilfe von Abrichtwerkzeugen strukturiert, wobei durch die Wahl der axialen Relativbewegung und der Relativbewegung in Umfangsrichtung zwischen dem zumindest einen Abrichtdiamanten aufweisenden Abrichtwerkzeug und dem Schleifstein vielfältige Oberflächenstrukturen auf dem Schleifstein erzeugt werden können. Damit diese Oberflächenstrukturen eine entsprechende Laufflächenstruktur der Skier ergibt, sind die Schleifkräfte in engen Toleranzen zu halten, weil Änderungen der Schleifkräfte unmittelbar eine Änderung des Zerspanungsverhaltens und damit der Strukturtiefe zur Folge haben. Solche Strukturänderungen über die Skilänge sind insbesondere im Rennsport unerwünscht, und zwar unabhängig davon, ob es gilt, Alpinskier, Langlaufskier oder Sprungskier zu bearbeiten, für die jeweils andere Laufflächenstrukturen vorzusehen sind.In order to influence the sliding friction between snow and the running surface of a ski, it is known inter alia to grind the tread with a specific structure. The grindstones used for this purpose are structured by means of dressing tools, which can be generated by the choice of relative axial movement and the relative movement in the circumferential direction between the at least one dressing diamond having dresser and the grindstone various surface structures on the grindstone. In order for these surface structures to yield a corresponding tread structure of the skis, the grinding forces must be kept within close tolerances because changes in the grinding forces directly result in a change in the cutting behavior and thus in the depth of the structure. Such structural changes over the ski length are particularly undesirable in racing, regardless of whether it is to work alpine skis, cross country skis or jumping skis, for each of which other tread structures are provided.

Damit erprobte Strukturen mit einer guten Wiederholungsgenauigkeit auf die Lauffläche von Skiern aufgebracht werden können, ist es bekannt ( IT 1 296 221 B ), einen entsprechend abgerichteten Schleifstein zwischen zwei Rollgangabschnitten vorzusehen, dessen Rollgangsrollen die Skier mit ihrer Lauffläche aufnehmen. Zum Vorschub der Skier entlang des Rollgangs dient ein dem Schleifstein gegenüber auf einem Schwenkarm gelagertes, angetriebenes Vorschubrad, das über einen Anstelltrieb an den zu bearbeitenden Ski angedrückt wird. Die Anordnung ist dabei so getroffen, dass unter einem Ausgleich des Gewichtsmoments des Vorschubrads und des Schwenkarms der Anstellantrieb den Ski über das Vorschubrad mit der benötigten Schleifkraft gegenüber dem starr abgestützten Schleifstein beaufschlagt. Obwohl zur Berücksichtigung unterschiedlicher Vorspannungen der Skier die Rollgangsrollen federnd nachgiebig gelagert werden, kann die für eine genaue Wiedergabe einer vorgegebenen Flächenstruktur erforderliche enge Toleranz der Schleifkräfte über die Drehmomentbelastung des Schwenkarms für das Vorschubrad mit Hilfe eines Pneumatikzylinders nicht eingehalten werden.So that proven structures with a good repeatability can be applied to the running surface of skis, it is known ( IT 1 296 221 B ) to provide a suitably trained grindstone between two roller table sections whose roller table rollers receive the skis with their tread. For advancing the skis along the roller table, a driven feed wheel mounted on a swivel arm and opposite the grind stone is used, which is pressed against the ski to be processed by means of a setting drive. The arrangement is made such that under a balance of the weight moment of the feed wheel and the pivot arm of the Anstellantrieb applied to the ski via the feed wheel with the required grinding force against the rigidly supported grindstone. Although to accommodate different biases of the skis roller table rollers are resiliently mounted, required for accurate reproduction of a given surface structure close tolerance of the grinding forces on the torque load of the arm for the feed wheel using a pneumatic cylinder can not be met.

Darstellung der ErfindungPresentation of the invention

Der Erfindung liegt somit die Aufgabe zugrunde, eine Vorschubvorrichtung für Skier der eingangs geschilderten Art so auszugestalten, dass die Lauffläche der Skier mit einer Feinstruktur bearbeitet werden können, die auch hohen Anforderungen hinsichtlich der Fertigungstoleranzen genügt.The invention is therefore based on the object, a feed device for skis of the type described in such a way that the running surface of the skis can be processed with a fine structure, which also meets high demands in terms of manufacturing tolerances.

Die Erfindung löst die gestellte Aufgabe dadurch, dass der Anstelltrieb für das Vorschubrad über eine Regeleinrichtung in Abhängigkeit von einer die Abstützkräfte für den Schleifstein in Richtung der Schleifkraft zumindest teilweise aufnehmenden Kraftmesseinrichtung ansteuerbar ist.The invention solves this problem by the fact that the Anstelltrieb for the feed wheel via a control device in response to a support forces for the grindstone in the direction of the grinding force at least partially receiving force measuring device can be controlled.

Die Erfindung berücksichtigt den Umstand, dass die durch den Anstelltrieb über das Vorschubrad auf den jeweiligen Ski ausgeübten Druckkräfte selbst bei einem genauen Ausgleich des Gewichtsmoments des Vorschubrads und bei federnd nachgiebig gelagerten Rollgangsrollen nicht vollständig auf den Schleifstein durchgreifen, sodass die tatsächlich wirksam werdenden Schleifkräfte von den Beaufschlagungskräften des Anstellantriebs abweichen, beispielsweise dadurch, dass das Vorschubrad beim Überrollen eines Bindungsabschnitts unterschiedliche Anstelllagen einnimmt. Aufgrund der Erfassung der Abstützkräfte für den Schleifstein in Richtung der Schleifkräfte können die zwischen den Skiern und dem Schleifstein wirksamen Schleifkräfte für sich erfasst werden, wenn die in der Erfassungsrichtung auf die Kraftmesseinrichtung wirksamen Gewichtsbelastungen durch den Schleifstein selbst und seine Lagerung berücksichtigt werden, was ohne zusätzlichen Aufwand einfach durch die Messung der auf die Kraftmesseinrichtung einwirkenden Kräfte bei vom Anstelldruck durch das Vorschubrad entlastetem Schleifstein durchgeführt werden kann. Mit Hilfe einer Regeleinrichtung kann somit der Anstelltrieb in Abhängigkeit von den jeweils wirksamen, von der Kraftmesseinrichtung erfassten Schleifkräften so angesteuert werden, dass diese Schleifkräfte einer Sollvorgabe folgen.The invention takes into account the fact that the forces exerted by the Anstelltrieb on the feed wheel on the respective ski compressive forces even with a precise balance of the weight moment of the feed wheel and resiliently mounted roller table rollers do not fully pass through the grindstone, so that actually effective grinding forces of the Beaufschlagungskräften the Anstellantriebs deviate, for example, characterized in that the feed wheel occupies different Anstelllagen when rolling over a binding section. Due to the detection of the supporting forces for the grindstone in the direction of the grinding forces, the effective between the skis and the grindstone grinding forces can be detected if the effective in the detection direction on the force measuring device weight loads by the grindstone itself and its storage are taken into account, what without additional Effort can be easily performed by measuring the force acting on the force measuring forces at the Anstelldruck relieved by the feed wheel whetstone. With the aid of a control device, the setting drive can thus be controlled as a function of the respectively effective grinding forces detected by the force measuring device such that these grinding forces follow a desired setting.

Da mit einem Verschleiß des Schleifsteins gerechnet werden muss, ist der Schleifstein zur Einhaltung einer vorgegebenen Arbeitsfläche entsprechend dem Verschleiß gegen den Rollgang hin zu verlagern. Zu diesem Zweck kann der Schleifstein mittels eines Stelltriebs quer zum Rollgang verstellt werden. Um trotz dieser Verlagerungsmöglichkeit einfache Konstruktionsbedingungen für die Erfassung der in Richtung der Schleifkräfte wirksamen Abstützkräfte zu gewährleisten, kann sich der Schleifstein über die Kraftmesseinrichtung am Stelltrieb abstützen. Eine andere Möglichkeit der Anordnung der Kraftmesseinrichtung ergibt sich, wenn die Kraftmesseinrichtung im Lagerbereich des Schleifsteins vorgesehen wird. Eine solche Anordnung der Kraftmesseinrichtung bringt den Vorteil mit sich, dass die Kraftmesseinrichtung im Wesentlichen nur für die Erfassung der um das Gewicht der Schleifscheibe vergrößerten Schleifkräfte auszulegen ist.Since wear of the grindstone must be expected, the grindstone to comply with a predetermined working surface according to the wear against the roller table to relocate. For this purpose, the grindstone can be adjusted by means of an actuator transverse to the roller table. In order to ensure simple design conditions for detecting the effective in the direction of the grinding forces supporting forces despite this displacement possibility, the grindstone can be supported on the actuator via the force measuring device. Another possibility of arranging the force measuring device results when the force measuring device is provided in the bearing area of the grindstone. Such an arrangement of the force measuring device brings with it the advantage that the force measuring device is designed essentially only for the detection of the grinding forces increased by the weight of the grinding wheel.

Unabhängig davon, an welcher Stelle im Zuge der Abstützung des Schleifsteins die Kraftmesseinrichtung vorgesehen wird, werden durch die Kraftmesseinrichtung auch im Bereich der Schleifscheibe auftretende Schwingungen erfasst, die vorteilhaft zur Überwachung des Rundlaufs der Schleifscheibe ausgewertet werden können. Da mit dem Anstellen des Abziehwerkzeugs der Schleifstein ebenfalls zu Schwingungen angeregt wird, können diese über die Kraftmesseinrichtung erfassten Schwingungen zur Steuerung des Anstelltriebs für das Abziehwerkzeug genützt werden.Regardless of where in the course of the support of the grindstone the force measuring device is provided by the force measuring device occurring vibrations in the area of the grinding wheel are detected, which can be advantageously evaluated for monitoring the concentricity of the grinding wheel. Since the grindstone is also excited to vibrate with the use of the peeling tool, these vibrations detected by the force measuring device can be used to control the setting drive for the peeling tool.

Beim Verstellen eines Stellzylinders ergeben sich aufgrund der unterschiedlichen Reibkräfte bei einer Ruhelage und bei einer Bewegung schwankende Beaufschlagungskräfte für den Anstelltrieb des Vorschubrads. Im Hinblick auf die geforderte hohe Genauigkeit der Regelung der Schleifkräfte empfiehlt es sich daher, den Anstelltrieb für das Vorschubrad mit einem Elektromotor auszurüsten.When adjusting an actuating cylinder arising due to the different friction forces in a rest position and a movement fluctuating loading forces for the Anstelltrieb the feed wheel. In view of the required high accuracy of the control of the grinding forces, it is therefore advisable to equip the Anstelltrieb for the feed gear with an electric motor.

Die Erfassung der unmittelbar zwischen dem Ski und dem Schleifstein wirksamen Schleifkräfte über eine im Zuge der Schleifsteinabstützung gegenüber diesen Schleifkräften vorgesehenen Kraftmesseinrichtung erlaubt zusätzlich eine von der jeweiligen Skibreite abhängige Sollwertvorgabe für die Schleifkräfte, weil ja zur genauen Laufflächenbearbeitung nicht die Schleifkräfte, sondern der Schleifdruck maßgebend ist, sodass zur Beibehaltung eines gleichmäßigen Schleifdrucks die Schleifkraft beispielsweise im Bereich der Taillierung der Skier zu verringern ist. Für eine genaue Laufflächenbearbeitung kann demnach die Schleifkraft in Abhängigkeit vom Verlauf der Skibreite über die Skilänge geregelt werden. Die Skibreite kann dabei in einfacher Weise über Führungsrollen ermittelt werden, die den Ski in an sich bekannter Weise zwischen sich zentrieren.The detection of the effective directly between the ski and the grindstone grinding forces provided in the course of the grindstone support against these grinding forces force measuring device additionally allows depending on the respective ski width setpoint specification for the grinding forces, because yes not the grinding forces, but the grinding pressure is decisive for accurate tread so that to maintain a uniform grinding pressure, the grinding force is to be reduced, for example, in the area of the sidecut of the skis. For precise tread machining, the grinding force can thus be regulated as a function of the course of the ski width over the ski length. The ski width can be determined in a simple manner via guide rollers, which center the ski in a conventional manner between them.

Kurze Beschreibung der ZeichnungShort description of the drawing

In der Zeichnung ist der Erfindungsgegenstand beispielsweise dargestellt. Es zeigen

Fig. 1
eine erfindungsgemäße Bearbeitungsvorrichtung für Skier in einer schematischen Seitenansicht und
Fig. 2
diese Vorrichtung in einer Draufsicht.
In the drawing, the subject invention is shown, for example. Show it
Fig. 1
a processing device according to the invention for skis in a schematic side view and
Fig. 2
this device in a plan view.

Weg zur Ausführung der ErfindungWay to carry out the invention

Die dargestellte Bearbeitungsvorrichtung für Skier 1 weist ein Gestell 2 mit einem Rollgang 3 auf, dessen Rollgangsrollen 4 federnd nachgiebig gelagert sind und die Skier 1 mit ihrer Lauffläche 5 aufnehmen. Zur Führung der Skier 1 sind den Rollgangsrollen 4 Führungsrollen 6 zugeordnet, die die Skier 1 bezüglich ihrer Längsachse zentrieren. Zwischen zwei der Rollgangsrollen 4 ist unterhalb des Rollgangs 3 ein Schleifstein 7 gelagert, und zwar in einer im Gestell 2 auf einer Achse 8 angelenkten Schwinge 9, die mit Hilfe eines Stelltriebs 10, beispielsweise eines über einen elektrischen Motor 11 antreibbaren Spindeltriebs, verlagerbar ist, um den Arbeitsbereich des Schleifsteins 7 gegenüber dem Rollgang 3 zu justieren. Zu diesem Zweck ist eine Lichtschranke vorgesehen, deren Sender und Empfänger mit 12 bezeichnet sind. Die Verbindung des Stelltriebs 10 mit der Schwinge 9 erfolgt über eine Kraftmesseinrichtung 13. Die Lagerung des Schleifsteins 7 in einer Schwinge 9 ist aber nicht zwingend. Der Schleifstein 7 könnte beispielsweise auch in einer Linearführung verstellbar gelagert sein.The illustrated processing device for skis 1 comprises a frame 2 with a roller table 3, the roller table rollers 4 are mounted resiliently and absorb the skis 1 with its tread 5. For guiding the skis 1, the roller table rollers 4 are associated with guide rollers 6 which center the skis 1 with respect to their longitudinal axis. Between two of the roller table rollers 4, a grindstone 7 is mounted below the roller table 3, in a frame 8 hinged on an axis 8 rocker 9, which is displaceable by means of an actuator 10, for example a driven by an electric motor 11 spindle drive, to adjust the working area of the grindstone 7 relative to the roller table 3. For this purpose, a light barrier is provided whose transmitter and receiver are denoted by 12. The connection of the actuator 10 with the rocker 9 via a force measuring device 13. The mounting of the grindstone 7 in a rocker 9 is not mandatory. The grindstone 7 could for example be mounted adjustably in a linear guide.

Dem Schleifstein 7 gegenüberliegend ist oberhalb des Rollgangs 3 ein Vorschubrad 14 vorgesehen, das durch einen Motor 15 angetrieben wird und mit Hilfe eines Anstelltriebs 16 von oben auf die Skier 1 mit Druck angestellt wird. Der Anstelltrieb 16 wird im vorliegenden Ausführungsbeispiel durch einen Getriebemotor 17 und einen über den Getriebemotor 17 verschwenkbaren Schwenkarm 18 gebildet. Die Ansteuerung des Getriebemotors 17 erfolgt über eine in der Fig. 1 schematisch angedeutete Regeleinrichtung 19, die eingangsseitig an die Kraftmesseinrichtung 13, beispielsweise einer Kraftmessdose, angeschlossen ist.The grindstone 7 opposite a feed wheel 14 is provided above the roller table 3, which is driven by a motor 15 and is made with the help of a Anstelltriebs 16 from above on the skis 1 with pressure. The Anstelltrieb 16 is pivoted in the present embodiment by a geared motor 17 and a via the geared motor 17 Swivel arm 18 formed. The control of the geared motor 17 via a in the Fig. 1 schematically indicated control device 19, the input side to the force measuring device 13, such as a load cell, is connected.

Zum Schleifen der Lauffläche 5 eines Skis 1 wird der Ski 1 über das Vorschubrad 14 an den Schleifstein 7 angedrückt, wobei über die Kraftmesseinrichtung 13 die zwischen dem Ski 1 und dem Schleifstein 7 wirksamen Schleifkräfte erfasst werden. Vor dem Andrücken des Vorschubrads 14 an den Schleifstein 7 werden nämlich alle durch den Schleifstein 7, dessen Antrieb und Lagerung sowie den gesamten Aufbau der Schwinge 9 bedingten Gewichtsbelastung der Kraftmesseinrichtung 13 durch diese ermittelt und an die Regeleinrichtung 19 weitergeleitet, sodass diese Gewichtsbelastungen bei der anteiligen Bestimmung der Schleifkräfte in der Regeleinheit berücksichtigt werden kann, um den Anstelltrieb 16 für das Vorschubrad 14 so ansteuern zu können, dass der Ski 1 gerade mit der dem Sollwert entsprechenden Schleifkraft beaufschlagt wird. Dies gilt auch für den Fall, dass das Vorschubrad 14 beispielsweise beim Überrollen einer aufgesetzten Bindungsbrücke verlagert und davon abhängig mit einer unterschiedlichen Anstellkraft an den Ski 1 zur Konstanthaltung der Schleifkräfte angedrückt werden muss.To grind the running surface 5 of a ski 1, the ski 1 is pressed against the grindstone 7 via the feed wheel 14, the grinding forces acting between the ski 1 and the grindstone 7 being detected via the force measuring device 13. Prior to pressing the feed wheel 14 to the grindstone 7 namely all determined by the grindstone 7, the drive and storage and the entire structure of the rocker 9 caused weight load of the force measuring device 13 through this and forwarded to the controller 19, so that these weight loads in the proportionate Determining the grinding forces in the control unit can be taken into account in order to control the Anstelltrieb 16 for the feed wheel 14 so that the ski 1 is just applied to the reference value corresponding grinding force. This also applies to the case that the feed wheel 14, for example, when rolling over a patch binding bridge shifts and depending on it with a different contact pressure on the ski 1 must be pressed to keep the grinding forces constant.

Zur Herstellung einer Schleifstruktur wird der Schleifstein 7 mit einem Abrichtwerkzeug 20, z. B. einem Abrichtdiamanten, bearbeitet, wobei über die Bewegung des Abrichtwerkzeugs 20 axial zum Schleifstein 7 und die Umlaufgeschwindigkeit des Schleifsteins 7 eine Vielzahl von Schleifstrukturen auf der Umfangfläche des Schleifsteins 7 erzeugt werden kann, um dann mit einer durch entsprechende Abrichtparameter vorgegebenen Schleifstruktur die Lauffläche der Skier 1 zu bearbeiten, und zwar unter einer genauen Regelung der für die angestrebte Laufflächenstruktur erforderlichen Schleifkräfte.To produce an abrasive structure of the grindstone 7 with a dressing tool 20, z. As a dressing diamonds, processed over the movement of the dressing tool 20 axially to the grindstone 7 and the rotational speed of the grindstone 7 a plurality of abrasive structures on the peripheral surface of the grindstone 7 can be generated to then with a predetermined by appropriate dressing parameters grinding structure, the tread of Skis 1 to edit, under an accurate regulation of the required for the desired tread structure grinding forces.

Zur Reinigung des Schleifsteins 7 ist ein Abstreifer 21 vorgesehen. Außerdem kann der Schleifstein 7 zum Nassschleifen mit einer Schleifflüssigkeit, im Allgemeinen Wasser mit einem Schleifkühlmittel, besprüht werden. Die Düse zum Aufbringen der Schleifflüssigkeit ist mit 22 bezeichnet. Da der Schleifstein 7 aufgrund seiner Porosität Schleifflüssigkeit aufnimmt, deren Gewicht die Kraftmesseinrichtung 13 zusätzlich belastet, kann diese zusätzliche Gewichtsbelastung zur Bestimmung der tatsächlich wirksamen Schleifkräfte erfasst werden, indem vor dem Anstellen des Vorschubrads 14 die Belastung der Kraftmesseinrichtung 13 durch den nassen Schleifstein ermittelt und an die Regeleinrichtung 19 weitergeleitet wird.For cleaning the grindstone 7, a scraper 21 is provided. In addition, the grindstone 7 may be wet-sanded with a grinding liquid, in general Water with a grinding coolant, to be sprayed. The nozzle for applying the grinding liquid is designated 22. Since the grindstone 7 absorbs grinding liquid due to its porosity, whose weight additionally loads the force measuring device 13, this additional weight load for determining the actually effective grinding forces can be detected by determining the load of the force measuring device 13 by the wet grindstone before starting the feed wheel 14 the control device 19 is forwarded.

Claims (5)

  1. Machining apparatus for skis (1), having a roller table (3), whose roller table rollers (4) which receive the skis (1) with their running surfaces (5) are mounted in a resiliently yielding manner, having a drivable grindstone (7) which is provided between two roller table rollers (4) for structuring the running surface (5) of the skis (1) and having an advancing wheel (14) which is arranged on the side of the roller table (3) opposite the grindstone (7) and presses the skis (1) against the grindstone (7) with a predeterminable grinding force with the aid of a setting drive (16), characterised in that the setting drive (16) for the advancing wheel (14) can be controlled by means of a regulating device (19) in dependence upon a force-measuring device (13) which at least partially records the supporting forces for the grindstone (7) in the direction of the grinding force.
  2. Machining apparatus as claimed in claim 1, characterised in that the grindstone (7) can be displaced transversely with respect to the roller table (3) by means of an actuating drive (10) and is supported on the actuating drive (10) by means of the force-measuring device (13).
  3. Machining apparatus as claimed in claim 1, characterised in that the force-measuring device (13) is provided in the bearing region of the grindstone (7).
  4. Machining apparatus as claimed in any one of claims 1 to 3, characterised in that the setting drive (16) for the advancing wheel (14) comprises an electric motor (17).
  5. Machining apparatus as claimed in any one of claims 1 to 4, characterised in that the grinding force can be regulated over the length of the ski in dependence upon the progression of the width of the ski.
EP10776524.0A 2009-10-13 2010-10-11 Machining device for skis Active EP2488264B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT16112009A AT508789B1 (en) 2009-10-13 2009-10-13 MACHINING DEVICE FOR SKIER
PCT/AT2010/000380 WO2011044600A2 (en) 2009-10-13 2010-10-11 Machining device for skis

Publications (2)

Publication Number Publication Date
EP2488264A2 EP2488264A2 (en) 2012-08-22
EP2488264B1 true EP2488264B1 (en) 2014-04-23

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EP10776524.0A Active EP2488264B1 (en) 2009-10-13 2010-10-11 Machining device for skis

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EP (1) EP2488264B1 (en)
AT (1) AT508789B1 (en)
RU (1) RU2532728C2 (en)
WO (1) WO2011044600A2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT509585B1 (en) * 2010-12-10 2011-10-15 Stroi Johann Dipl Ing METHOD FOR PROCESSING A PLASTIC PARTICULARLY POLYETHYLENE GLIDING SURFACE OF SLIDING EQUIPMENT
ITVI20120091A1 (en) * 2012-04-19 2013-10-20 Svecom P E S R L SKI, WHEEL FOR THE PROCESSING OF SUCH SKI AND MACHINE INCLUDING SUCH WHEEL
AT516494B1 (en) * 2014-12-01 2016-06-15 Wintersteiger Ag Device for grinding a tread of a ski
IT201600073129A1 (en) * 2016-07-13 2018-01-13 Tecnopower S R L Method and processing system of a ski

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4321449A1 (en) * 1993-06-29 1995-01-12 Knoll Ernst Feinmech Device for processing the tread and the side edges of skis
IT1279804B1 (en) * 1995-05-09 1997-12-18 Barbolini Ferdinando MACHINE FOR SURFACE TREATMENT OF FLAT ITEMS
ATE213445T1 (en) * 1996-06-07 2002-03-15 Risa Tech Kg DEVICE FOR PROCESSING LONG-LONG OBJECTS
IT1296221B1 (en) * 1997-07-18 1999-06-18 Romeo Bergonzi EQUIPMENT AND METHOD FOR ENGRAVING SCRATCHES OF VARIOUS EXTENSION, WITH DIFFERENT SHAPE AND INCLINATION, ON THE BOTTOM OF SKIS.
RU2176539C1 (en) * 2000-09-22 2001-12-10 Духовской Евгений Анатольевич Method for lubricating skis sliding surface and apparatus for applying lubricant to ski sliding surface
DE10135139C1 (en) * 2001-07-19 2002-11-21 Thielenhaus Ernst Gmbh & Co Kg Numerically-controlled workpiece finishing device has force measuring device for measuring pressure force acting on tool spindle during finishing
AT502280B1 (en) * 2005-02-01 2007-07-15 Wintersteiger Ag MACHINING DEVICE FOR BINDING SKIS
DE102007048544A1 (en) * 2007-10-09 2009-04-16 Paul Ernst Maschinenfabrik Gmbh Device for grinding workpieces
NO329601B1 (en) * 2009-02-13 2010-11-22 Svein Iversbakken Apparatus for grinding saddles on skis

Also Published As

Publication number Publication date
RU2532728C2 (en) 2014-11-10
EP2488264A2 (en) 2012-08-22
AT508789B1 (en) 2013-01-15
RU2012111807A (en) 2013-11-20
WO2011044600A2 (en) 2011-04-21
AT508789A1 (en) 2011-04-15
WO2011044600A3 (en) 2011-06-16

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