WO2012003828A1 - Agencement d'abrasion pour abraser une surface d'objet et procédé d'utilisation correspondant - Google Patents

Agencement d'abrasion pour abraser une surface d'objet et procédé d'utilisation correspondant Download PDF

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Publication number
WO2012003828A1
WO2012003828A1 PCT/DK2011/000079 DK2011000079W WO2012003828A1 WO 2012003828 A1 WO2012003828 A1 WO 2012003828A1 DK 2011000079 W DK2011000079 W DK 2011000079W WO 2012003828 A1 WO2012003828 A1 WO 2012003828A1
Authority
WO
WIPO (PCT)
Prior art keywords
cylinder
item
abrading
abrasion
arrangement according
Prior art date
Application number
PCT/DK2011/000079
Other languages
English (en)
Inventor
Keld Eriksen
Poul Lundum
Original Assignee
Eltronic A/S
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 Eltronic A/S filed Critical Eltronic A/S
Priority to EP11733556.2A priority Critical patent/EP2590781A1/fr
Priority to CN2011800430080A priority patent/CN103118838A/zh
Priority to US13/809,277 priority patent/US20130178134A1/en
Publication of WO2012003828A1 publication Critical patent/WO2012003828A1/fr

Links

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
    • B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
    • B24B19/14—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding turbine blades, propeller blades or the like
    • 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
    • B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
    • B24B19/26—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding workpieces with arcuate surfaces, e.g. parts of car bodies, bumpers or magnetic recording heads
    • 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
    • B24B27/00—Other grinding machines or devices
    • B24B27/0038—Other grinding machines or devices with the grinding tool mounted at the end of a set of bars
    • 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
    • B24B29/00—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents
    • 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
    • B24B47/22—Equipment for exact control of the position of the grinding tool or work at the start of the grinding operation
    • 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
    • B24B49/12—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 involving optical means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D13/00—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor
    • B24D13/02—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor acting by their periphery
    • B24D13/04—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor acting by their periphery comprising a plurality of flaps or strips arranged around the axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
    • B25J11/00—Manipulators not otherwise provided for
    • B25J11/005—Manipulators for mechanical processing tasks
    • B25J11/0065—Polishing or grinding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
    • B25J9/00—Programme-controlled manipulators
    • B25J9/02—Programme-controlled manipulators characterised by movement of the arms, e.g. cartesian coordinate type
    • B25J9/023—Cartesian coordinate type
    • B25J9/026—Gantry-type

Definitions

  • the present invention relates to an arrangement comprising a robotic arm carrying abrasive means for abrading the surface of an item and method of use of the arrangement.
  • the present invention relates to an abrasion arrangement to abrade a surface of an item, the arrangement comprising a multiple-axis robotic arm having at least five axes, an abrading cylinder mounted on the robotic arm and comprising abrasive means which comprise abrasive lamellae of an abrasive sheet, such as abrasive cloth, of which the front side has abrasive properties and which extend substantially radially from an elongated core and means for driving said core to rotate around a longitudinal axis of the core, and control means for controlling the operation of the robotic arm so as to control e.g. the position of the abrading cylinder on said surface, the force with which the abrading cylinder is pressed towards said surface and the velocity with which the abrading cylinder is moved with respect to said surface.
  • the abrading cylinder in itself is well known from e.g. from WO 01/76824 and partly from the above-mentioned WO 2004/098831 and as well as from a number of other documents with various embodiments.
  • the type of abrading cylinders disclosed in WO 01/76824 is preferred in the present invention.
  • velocity herein understood a vector, i.e. the speed as well as the direction of movement.
  • the cylinder is rotated so that the front side of the abrasive lamellae is moved across the surface to be abraded.
  • the tangential movement of the front side of the lamellae over the surface to be abraded due to the rotation of the cylinder defines herein the abrading direction of the cylinder.
  • robotic arm is herein understood a multiple-axis arm having at least 5 degrees of freedom, i.e. that it is able to move the abrading cylinder across the surface of the item, towards and away from said surface, to tilt the abrading cylinder in various planes and that it is able to rotate the abrading cylinder about an axis substantially normal to the surface of the item, so that the abrading direction of the cylinder may be reversed by a 180° rotation.
  • the robotic arm is at least a 5-axis arm and most preferred a 6-axis arm, however robotic arms with higher degrees of freedom could also be employed.
  • the arm with the cylinder becomes a more flexible abrading tool that can adjust better to a complex double curved surface of the item to be abraded and will be able to handle areas around edges more gentle.
  • An advantage obtained by employing the abrading cylinder as described is that a more efficient abrasion of a surface may be obtained as compared to the use of abrasive disks and the abrading cylinder is in itself flexible to the shape of the surface and does not need to be perfectly aligned with the surface to perform the abrading of the surface satisfactory. It also readily abrades surfaces of complex shapes such as double-curved surfaces.
  • a drawback of the abrading cylinder is that it is only efficient when the relative movement of the surface and the abrading cylinder causes the surface to move in the opposite direction of the movement of the abrasive lamellae caused by the rotation of the cylinder, because the movement of the object in that case enhances the movement of the abrasive lamellae with respect to the surface, whereas relative movement of the surface against the direction of the movement of the abrasive lamellae caused by the rotation of the cylinder weakens the abrasive effect on the surface.
  • the abrading cylinder is generally applied in machines as shown in the above-discussed WO 2004/098831 with a uniform relative movement of the item with respect to the abrading cylinder.
  • the abrading cylinder is not particularly suitable for use near edges of items as the rotation of the cylinder may cause the abrasive lamellae to collide with the edge of the item in case the axis of rotation of the cylinder is not substantially perpendicular to the edge, if the abrading direction of the cylinder is towards the surface of the item and not towards the edge of the item.
  • the abrasive lamellae will collide with the edge which has a damaging and life-shortening effect on the lamellae as well a damaging effect on the edge of the item.
  • This may however be avoided by the present combination of an abrading cylinder and a robotic arm, which allow for advances control of the operational position of the cylinder.
  • the control means are adapted to move the abrading cylinder across said surface to alternate between
  • This working pattern of the abrasion arrangement provides for a time-efficient abrading of the surface of the item as the cylinder is moved in the same direction as the abrading direction of the cylinder over a maximum of the surface, i.e. in the first and the third movement and at the same time can be taken to or close to the edges of the item without risking the above-discussed damages to the abrasive lamellae or the edges of the item.
  • the third movement is in principle similar to the first movement and is preferably followed by a translation of the cylinder and a movement similar to the second movement etc. until the full surface of the item has been abraded.
  • the translating of the cylinder is in one embodiment a translation of a distance substantially equal to a width of the cylinder, so that the overlap between neighbouring strokes or movements is negligible or small, such as 1 to 3 centimetres.
  • the translation is about half the width of the cylinder so that each part of the surface is abraded twice by the cylinder. It is preferred that the cylinder is lifted form contact with said surface prior to the rotation of the cylinder half a turn and thereafter is moved towards the surface for continued abrading of the surface.
  • the control means are in a preferred embodiment adapted to abrade a surface of an item by means of said abrading cylinder to approximate a predefined curved shape of said surface, in particular a curved shape comprising a plurality of double curved areas, such as a wind turbine blade.
  • the abrasion arrangement may be employed to produce items of a highly uniform shape, which is very difficult otherwise for large items such as wind turbine blades.
  • the abrasive means comprise preferably an elastic support element, preferably support brushes, which support the backside of the abrasive lamellae, said support element substantially having almost the same length as the lamellae.
  • the abrasion arrangement comprises a set of sensors for providing an input to the control means in order for the control means to determine the actual shape of the surface of the item.
  • the set of sensors are arranged on the robotic arm.
  • the set of sensors comprises advantageously contactless distance sensors, in particular optical sensors.
  • the abrasion arrangement comprises preferably means for correlating the determined actual shape of the surface of the item with data representing a predefined curved shape of the finished surface of the item to identify deviations between said ideal surface shape and the actual shape of the surface of the item.
  • Said deviations may comprise angular displacement deviations of the item to be abraded, deformities in the surface of the item to be abraded and/or deflections of said blade to be abraded when the blade is arranged to be abraded by said abrasion arrangement.
  • the present invention also relates to the method of use of an abrasion arrangement as described herein for abrading the surface of wind turbine blades.
  • uniform wind turbine blades may be produced which is very advantageous as the control of the wind turbine becomes more simple and predictable when the aerodynamic properties of the individual blades of the wind turbine are substantially identical.
  • Fig. 1 shows a robotic arm equipped with an abrading cylinder
  • Fig. 2 is an example of an abrading cylinder within a shielding housing
  • Fig. 3 is a working pattern for abrading of the surface of an elongated item
  • Fig. 4 shows a first view of the use for abrading a wind turbine blades
  • Fig. 5 shows a second view of the use for abrading a wind turbine blade.
  • FIG. 1 An abrasion arrangement of the present invention for abrading of a surface 1 is shown in Fig. 1 comprising a 6-axis articulated robotic arm 2 on which is mounted an abrasion head 3 having an abrading cylinder 4 enclosed in a shielding housing 5 provided with a suction outlet (not shown) for removal of dust and a motor (not shown) for driving the rotation of the abrading cylinder 4.
  • the base 6 of the robotic arm 2 is in Fig. 1 mounted on a vertical column 7 equipped with parallel, vertical tracks 8 on which the base 6 is displaceable arranged in the vertical direction so as to enable abrasion of a surface 1 of a wider extent in the vertical direction than the robotic arm 2 itself allows for.
  • the abrading cylinder 4 shown in Fig. 2 has abrasive means which comprise abrasive lamellae 9 of an abrasive sheet, such as abrasive cloth, of which the front side 10 has abrasive properties and which extend substantially radially from an elongated core 1 1 of the cylinder.
  • the abrasive lamellae 9 are supported on the back side 9 by an elastic support element comprising support brushes 12 having almost the same length as the lamellae 9.
  • the cylinder 4 is during operation of the abrasion arrangement rotated so that the front side 10 of the abrasive lamellae 9 is moved across the surface 1 to be abraded, the direction of rotation are indicated by the curved arrows R on Fig. 2.
  • the tangential movement of the front side 10 of the lamellae 9 over the surface 1 to be abraded due to the rotation of the cylinder 4 defines the abrading direction of the cylinder 4 indicated with straight arrow AD.
  • the core 1 1 of the cylinder 4 shown in Fig. 2 is equipped with helical or spiral shaped undercut grooves for retaining the flexible sanding strips holding the abrasive lamellae 9 as well as the brushes 12 but the grooves may in another embodiment of the present invention be straight along the longitudinal direction of the core 1 1.
  • control means for controlling the operation of the abrasion arrangement are adapted to let the abrading cylinder operated according to the working pattern illustrated in Fig. 3 for abrading the surface 1 of an elongated item 13 having a first edge 14 and a second edge 15 both extending generally in the longitudinal direction of the elongated item 13, such as a wind turbine blade.
  • the first edge 14 and the second edge 15 are not necessarily parallel to each other but are substantially so as depicted in Fig. 3.
  • the part of the working pattern described in details herein start at the letter "S" on Fig. 3.
  • the abrading cylinder 4 is in abrading engagement with the surface 1 of the elongated item 13 starting at a position at the first edge 14 and moving towards the second edge 15 at a first velocity and where the cylinder 4 is oriented so that the abrading direction is against the direction of movement of the abrasion head 3, indicated with the straight arrows M in Fig. 3.
  • the reason to have the direction of movement M to be opposite the abrading direction AD of the cylinder 4 is that it is in that way avoided that the abrasive lamellae 9 collide with the first edge 14 which have a damaging and life-shortening effect on the lamellae 9 as well a damaging effect on the edge 14 of the item.
  • the abrading action on the surface 1 is less efficient and the speed of the movement of the abrasion head 3 must be reduced to obtain a satisfactory finish of the surface 1 , for which reason the extent of these parts of the working pattern, generally referred to with the letter "B" in Fig. 3 has been minimised.
  • the abrasion head 3 When the abrasion head 3 has been moved away from the first edge 14, the abrasion head 3 is lifted away from the item 13 so that the cylinder 4 disengages the surface 1 of the item 13 and the abrasion head 3 is turned around at the position indicated in Fig. 3 with the letters "TU" so that the abrading direction AD of the cylinder 4 is reversed.
  • the abrasion head 3 is lowered towards the item 13 until the cylinder 4 engages the surface 1 with a sufficient force and the movement of the abrasion head 3 across the surface 1 of the item towards the second edge 15 is continued.
  • the direction of movement M and the abrading direction AD of the cylinder 4 is the same direction, the abrading action is therefore more efficient and the speed of the movement of the abrasion head 3 can be considerably higher than in the B parts of the working pattern.
  • Fig. 3 the parts A, B of the working pattern are depicted with a minor distance in between for the sake of clarity.
  • the parts A, B are in the present embodiment abutting or are overlapping e.g. 1 to 3 centimetres so that the whole of the surface 1 is abraded by the cylinder 4.
  • the parts A, B are overlapping in the longitudinal direction of the item 13 with half the width of the cylinder 4 so that each area of the surface will be abraded twice by the cylinder 4.
  • the areas around the edges 14, 15 may only be partly abraded by the cylinder 4 and require a manually controlled abrasion to obtain the correct finish.
  • a particular embodiment and use of the present invention is shown in Figs.
  • the control system controlling the operation of the arrangement shown in Figs. 4 and 5 comprises a predefined set of data defining the ideal three-dimensional shape of the finished blade 13 and the control system is adapted for controlling by means of the robotic arms 2, 2' the position of the abrasion heads 3, the force with which they are pressed towards the surface 1 of the blade 13 and the speed with which they are moved across the surface 1 so as to process the surface 1 of the blade 13 to approximate the predefined ideal shape of the blade 13.
  • a set of sensors (not shown) are arranged on the robotic arms 2, 2' and/or on the vertical columns 7, 7', in particular contactless distance sensors using laser light or ultrasonic means for providing an input to the control system in order for the control system to determine the actual shape of the blade 13.
  • a wind turbine blade 13 When e.g. a wind turbine blade 13 has been manufactured to a state before being abraded by the abrasion arrangement, it most likely will deviate from the ideal blade shape/geometry of a finished blade. Such deviations may e.g. originate from angular displacements of the blade compared to ideal angular displacements of the blade.
  • Preferred ideal wind turbine blade profiles comprise an ideal angular displacement to obtain an improved aerodynamic blade profile.
  • the manufacturing process of the blade may result in blades that deviate from such ideal angular displacements.
  • the manufacturing process of the blade may result in deformities such as deformities in the surface of the blade which causes the blade to deviate from the ideal blade shape/geometry.
  • the blade may be arranged in a plurality of ways to be abraded by the abrasion arrangement.
  • arranging the blade comprises that the root end of the blade is attached to a suitable fixation arrangement (not illustrated in any figures) so the blade extends substantially horizontally to be abraded by the abrasion arrangement as illustrated in fig. 5 while only being supported at the root end of the blade 13.
  • the blade may be supported by one or more supportive structures arranged underneath the blade in the longitudinal direction of the blade. It is however naturally understood that any suitable way of arranging the blade so it can be abraded by the abrasion arrangement may be utilized, and furthermore e.g. a combination of fixating the root end to a suitable fixation arrangement may be combined with supporting the blade, e.g. underneath the blade at further locations along the blade.
  • the blade 13 when the blade 13 is arranged in the abrasion arrangement, it may result in the blade deflecting from its ideal shape due to e.g. gravity. For example, if the blade is arranged in the abrasion arrangement by the root being attached to a fixation arrangement, the tip end/free end of the blade will deflect downwards. In general, the deflection of the blade is dependent of among others, the elasticity of the blade, the size of the blade, the orientation of the blade (e.g. orientation of the leading and trailing edges of the blade) and others. Also, the blade 13 may deflect in different ways dependent on the blade orientation when e.g. rotating the blade around the longitudinal direction of the blade as illustrated in fig. 5.
  • the abrasion arrangement facilitates taking such angular displacement deviations, such deviations due to blade deformities, and/or blade deflections into consideration during the abrasion process. That is, the blade 13 is preferably abraded to reduce or even remove angular displacement deviations and/or blade deformities compared to the ideal blade shape whereas deflections of the blade are preferably compensated for during the abrasion so that the blade is not erroneously abraded.
  • the abrasion arrangement comprises a deviation handling arrangement for automatically handling and/or compensating for deviations such as the above mentioned angular displacement deviation, the mentioned deformity deviations and deflections due to the arrangement of the blade to be abraded.
  • the deviation handling arrangement gathers information from at least two data sources 21, 23.
  • the first data source 21 comprises predefined data regarding the predefined ideal three-dimensional surface shape of the finished item, in particular a wind turbine blade as described above.
  • This ideal item surface shape data may e.g. be provided by data from three-dimensional blade drawings such as for example three-dimensional CAD drawings, from a look up table and/or any suitable other data which in self or on combination with other data facilitates determining the ideal blade shape/geometry.
  • the second data source comprises an item surface shape determination arrangement gathering measurement data regarding the actual shape/geometry of the surface of the item to be abraded.
  • the surface shape determination arrangement 23 preferably comprises an optical arrangement, e.g. arranged at the vertical column(s) 7 and/or crossbar 16, and the optical arrangement facilitates scanning the surface of the blade to detect the actual shape/geometry of the item surface.
  • the said shape determination arrangement 23 may be arranged at any appropriate location at the abrasion arrangement and that it may comprise any suitable number of optical scanners and possible accompanying scanner controllers.
  • the optical arrangement preferably comprises one or more emitters for emitting electromagnetic radiation towards the surface of the item, e.g. a wind turbine blade 13, to be abraded.
  • This radiation is reflected from the surface and a part of the reflected radiation is detected by the optical arrangement, converted into electrical signals representing the detected reflected radiation from the surface, and these electric signals may thus be processed by the surface shape determination arrangement to establish information regarding the actual geometry/shape of the item to be abraded.
  • the item surface shape determination arrangement 23 facilitates establishing data of the actual surface shape by establishing three- dimensional data of the surface.
  • the ideal surface shape data from the first data source 21 and the data from the surface shape determination arrangement representing the detected actual shape/geometry of the surface is accessed/transmitted 20, 22 to and correlated by data processing means 19 receiving the data.
  • the data processing means 19 can thus, based on the said correlation, generate control signals 24 to the control means of the abrasion arrangement.
  • the control means can control the operation of the robotic arm by e.g. controlling the position of the abrading cylinder on the surface of the item, the force with which the abrading cylinder is pressed towards said surface and/or the velocity with which the abrading cylinder is moved with respect to the surface, and hereby reduce/remove e.g.
  • control signals preferably facilitates that the abrasion arrangement takes into consideration the deflection of the item to be abraded so the abrasion arrangement compensates for such deflections during the abrasion of the surface of the item 13.
  • the deviation handling arrangement facilitates continuously scanning the surface during abrasion of the item surface to establish information of the surface area of the item being abraded and/or to establish information of the surface area of the item to be subsequently abraded.
  • the deviation handling arrangement may before starting the abrasion of the surface establish a substantially complete abrasion template for the control means to follow during abrasion of the item by scanning the surface prior to performing the abrasion of the item.
  • the deviation handling arrangement may be arranged to facilitate that scanning the surface of the item and performing the abrasion of the item is performed during the same movement of the vertical column(s) 7 along the item to be abraded.
  • the data from the optical arrangement is continuously processed and correlated with the ideal item surface shape data to continuously generate an output for the control means during the movement along the item to be abraded.

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

Abstract

La présente invention concerne un agencement d'abrasion conçu pour abraser une surface d'objet. Ledit agencement comprend : un bras robotique à axe multiple doté d'au moins cinq axes ; un cylindre d'abrasion monté sur le bras robotique et équipé d'un moyen abrasif qui se compose de lamelles abrasives appartenant à une feuille abrasive, tel un tissu abrasif, dont le côté avant possède des propriétés abrasives et qui s'étend de manière sensiblement radiale depuis un cœur allongé, ainsi que d'un moyen pour entraîner la rotation dudit cœur autour d'un axe longitudinal du cœur ; un moyen de commande permettant de commander les opérations du bras robotique afin de commander, par exemple, la position du cylindre d'abrasion sur ladite surface, la force avec laquelle le cylindre d'abrasion est comprimé contre ladite surface et la vitesse avec laquelle le cylindre d'abrasion se déplace par rapport à ladite surface.
PCT/DK2011/000079 2010-07-09 2011-07-08 Agencement d'abrasion pour abraser une surface d'objet et procédé d'utilisation correspondant WO2012003828A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP11733556.2A EP2590781A1 (fr) 2010-07-09 2011-07-08 Agencement d'abrasion pour abraser une surface d'objet et procédé d'utilisation correspondant
CN2011800430080A CN103118838A (zh) 2010-07-09 2011-07-08 磨削物件表面的磨削设备及其使用方法
US13/809,277 US20130178134A1 (en) 2010-07-09 2011-07-08 Abrading arrangement to abrade a surface of an item and method of use thereof

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DKPA201000613 2010-07-09
DKPA201000613 2010-07-09

Publications (1)

Publication Number Publication Date
WO2012003828A1 true WO2012003828A1 (fr) 2012-01-12

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PCT/DK2011/000079 WO2012003828A1 (fr) 2010-07-09 2011-07-08 Agencement d'abrasion pour abraser une surface d'objet et procédé d'utilisation correspondant

Country Status (4)

Country Link
US (1) US20130178134A1 (fr)
EP (1) EP2590781A1 (fr)
CN (1) CN103118838A (fr)
WO (1) WO2012003828A1 (fr)

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WO2022233860A1 (fr) 2021-05-07 2022-11-10 SLM Solutions Group AG Chambre de traitement destinée à un appareil de fabrication additive et procédé de fonctionnement de la chambre de traitement

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US9272382B2 (en) * 2013-10-08 2016-03-01 The Boeing Company Automated sanding system
CN103894905B (zh) * 2014-04-01 2016-04-20 西北工业大学 叶片进排气边数控抛光方法
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WO2022053119A1 (fr) 2020-09-10 2022-03-17 Enabl A/S Procédé et appareil de traitement de surface d'une structure allongée, par exemple, une pale d'éolienne
WO2022063369A1 (fr) 2020-09-28 2022-03-31 Enabl A/S Procédé et appareil de traitement de surface d'une structure allongée, par exemple une pale d'éolienne
EP4043172A1 (fr) * 2021-02-15 2022-08-17 Klingspor Windpower Aps Dispositif de traitement d'une surface de moule, utilisation du dispositif et procédé de traitement d'une surface de moule
WO2022171506A1 (fr) * 2021-02-15 2022-08-18 Klingspor Windpower Aps Dispositif de traitement d'une surface de moule, utilisation du dispositif et procédé de traitement d'une surface de moule
WO2022233860A1 (fr) 2021-05-07 2022-11-10 SLM Solutions Group AG Chambre de traitement destinée à un appareil de fabrication additive et procédé de fonctionnement de la chambre de traitement

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