EP4046749A1 - Agencement de distance pour un rouleau de ponçage - Google Patents

Agencement de distance pour un rouleau de ponçage Download PDF

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Publication number
EP4046749A1
EP4046749A1 EP22154994.2A EP22154994A EP4046749A1 EP 4046749 A1 EP4046749 A1 EP 4046749A1 EP 22154994 A EP22154994 A EP 22154994A EP 4046749 A1 EP4046749 A1 EP 4046749A1
Authority
EP
European Patent Office
Prior art keywords
grinding roller
grinding
base body
roller
spacer device
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.)
Pending
Application number
EP22154994.2A
Other languages
German (de)
English (en)
Inventor
Bent Ankersen
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.)
Tyrolit-Schleifmittelwerke Swarovski KG
Original Assignee
Tyrolit-Schleifmittelwerke Swarovski KG
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 Tyrolit-Schleifmittelwerke Swarovski KG filed Critical Tyrolit-Schleifmittelwerke Swarovski KG
Publication of EP4046749A1 publication Critical patent/EP4046749A1/fr
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
    • B24B7/10—Single-purpose machines or devices
    • B24B7/18—Single-purpose machines or devices for grinding floorings, walls, ceilings or the like
    • B24B7/188—Single-purpose machines or devices for grinding floorings, walls, ceilings or the like with cylinder- or belt-type tools
    • 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
    • B24B23/00—Portable grinding machines, e.g. hand-guided; Accessories therefor
    • B24B23/02—Portable grinding machines, e.g. hand-guided; Accessories therefor with rotating grinding tools; Accessories therefor
    • 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
    • B24B41/00—Component parts such as frames, beds, carriages, headstocks
    • B24B41/04—Headstocks; Working-spindles; Features relating thereto
    • 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
    • B24B27/0007—Movable machines
    • 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
    • B24B27/0076—Other grinding machines or devices grinding machines comprising two or more grinding tools
    • 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
    • B24B29/005—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 using brushes
    • 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
    • B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D5/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting only by their periphery; Bushings or mountings therefor
    • B24D5/06—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting only by their periphery; Bushings or mountings therefor with inserted abrasive blocks, e.g. segmental

Definitions

  • the invention relates to a spacer device for a grinding roller, in particular a grinding machine, according to the features of the preamble of claim 1.
  • the invention also relates to an arrangement of at least one such spacer device and a grinding roller, the at least one grinding roller being attached to the at least one fastening device on the is attached or attachable to at least one spacer device.
  • the invention also relates to a grinding machine with at least one such arrangement and a drive device and/or guide device, wherein a radial spacing of the at least one grinding roller relative to the base body and/or at least one of at least two rolling bodies can be adjusted by the adjustment device of the at least one spacer device.
  • the invention also relates to the use of such a grinding machine and/or such an arrangement.
  • a grinding machine with a grinding brush with radial adjustment is already out of the EP 2 206 580 A2 known, in which a carriage-like device is provided for storing a grinding brush, which has wheels.
  • a manually operable guide device in the form of a height-adjustable push rod is provided for advancing the grinding brush, with running wheels being able to be provided on the side of the carriage-like device facing away from the grinding brush, which ensure a constant distance between the grinding brush and a floor surface when the grinding brush is pivoted correctly about the wheels are determined.
  • a guide wheel can be used near the abrasive brush to control the height of the abrasive brush above the floor surface during application of fluid can be adjusted by supporting it on the guide wheel.
  • the guide wheel can be raised or lowered via an adjustment device.
  • a removal of the grinding brush is adjusted via a contact pressure of an operator.
  • a disadvantage of the prior art is that the carriage-like device in combination with the push rod is uncomfortable, especially with curved surfaces to be machined, since the angle of the push rod relative to the grinding roller changes unfavorably over a geometric course of the surface, making power transmission by the operator inefficient .
  • the height adjustment of the push rod is only user-friendly to a limited extent, especially since, due to the parameters of contact pressure on the grinding roller, pivoting position of the carriage-like device and the large number of degrees of freedom in the height adjustment of the individual wheels, spacing the grinding roller from the surface is time-consuming due to the number of adjustment steps required .
  • the objective technical task of the present invention is therefore to specify a spacer device, arrangement of spacer device and grinding roller and grinding machine that is improved compared to the prior art, in which the disadvantages of the prior art are at least partially eliminated, and which in particular is characterized by a simple adjustment distinguish the spacing of the grinding roller relative to the spacer device in order to be able to ensure a constant spacing and a constant contact pressure of the grinding roller with varying pivot positions of the grinding machine.
  • At least one fastening device is provided, preferably centrally located between the at least two rolling elements, with which the grinding roller can be fastened, preferably detachably, to the spacer device, and that at least one adjustment device is provided, with which the grinding roller can be adjusted in is adjustable relative to the base body and/or at least one of the at least two rolling elements when it is fastened to the spacer device.
  • the spacer device can be used with planar, convex or concave surfaces, with the grinding roller being designed so broadly that brush grinding rollers, grinding rollers with separate grinding rollers, grinding rollers with grinding segments and the like are included.
  • protection is also sought for an arrangement of at least one such spacer device and at least one grinding roller, the at least one grinding roller being attached or attachable to the at least one spacer device via the at least one attachment device.
  • protection is also sought for a grinding machine with at least one such arrangement and a drive device and/or guide device, with a radial spacing of the at least one grinding roller relative to the base body and/or at least one of the at least two rolling bodies being achieved by the adjustment device of the at least a distance device is adjustable.
  • the grinding machine can be moved flexibly in space and/or pivoted, with contact between the rolling elements and the surface always enabling a constant spacing from the workpiece becomes.
  • protection is also sought for the use of such a grinding machine and/or such an arrangement for processing a surface of a workpiece, preferably coated with a coating to protect against environmental influences, with preferably provision being made for at least one surface to be processed
  • Surface adjacent area of the workpiece consists of a carbon fiber and / or glass fiber composite material, or a surface of a negative mold, preferably coated with wax, for the production of a workpiece, which preferably consists at least partially of a carbon fiber and / or glass fiber composite material.
  • the grinding roller in the state attached to the spacer device can be rotated about a joint axis of the spacer device relative to the base body, the joint axis being essentially congruent with a rotational axis of the grinding roller.
  • the spacing of the grinding roller depends on the contact pressure, pivoting position and orientation of the grinding machine.
  • the at least substantially matching axes do not change the distance or the contact pressure of the grinding roller from the workpiece when the at least one fastening device is pivoted, as a result of which comfort in handling the grinding roller/grinding machine is significantly increased, especially with curved surfaces or heavy component parts .
  • the grinding roller is axially spaced from the adjusting device when it is fastened to the spacer device, with a pivot axis of the at least one fastening device being essentially congruent with the axis of rotation of the grinding roller relative to the adjusting device.
  • the base body is arranged at a radial distance from an axis of rotation of the grinding roller when the grinding roller is fastened to the spacer device.
  • the radial spacing can be defined in a user-friendly manner via the adjustment device.
  • An axial spacing between the grinding roller and the base body can be defined, for example, via the at least one fastening device.
  • the base body has at least two rolling element receptacles which are spatially separate from one another and between which the at least one fastening device is arranged.
  • the at least two rolling element holders can generally be designed to follow a contour of the workpiece to be machined or a grinding roller geometry or be designed independently of this.
  • the adjustment device comprises the base body and an adjustment device that can be releasably attached to the base body and/or can be moved, preferably laterally, the base body having a receptacle for at least regionally arranging the adjustment device within the receptacle, it being preferably provided that a scale is arranged on the base body and/or the adjusting device to illustrate a spacing of the grinding roller from the base body and/or at least one of the at least two rolling bodies.
  • the adjustment device preferably comprises the articulation axis about which the grinding roller can be pivoted together with the fastening device, the axis of rotation of the grinding roller preferably remaining congruent with the articulation axis or the pivot axis.
  • the adjustment device can also be materially connected to the base body, in which case the adjustment device can be formed from the base body and the at least one fastening device to be connected thereto.
  • An advantageous variant consists in that the at least one fastening device is articulated directly on the adjustment device and/or indirectly via the adjustment device on the base body, preferably via a fastening means.
  • the adjustment device preferably the base body and/or an adjustment device that may be present, has at least one, preferably exactly two, longitudinal grooves arranged parallel to one another and/or at least one guide rail, via which the grinding roller can be used relatively when it is fastened to the spacer device relative to the base body and/or at least one of the at least two rolling bodies, preferably via the adjustment device that may be present.
  • the spacing of the grinding roller relative to the base body or rolling element can be adjusted in a particularly favorable manner.
  • Other adjustment options and associated attachment options are also conceivable.
  • the adjustment device has at least one fastening means, preferably a screw connection and/or clamp connection, for fixing a radial spacing of the base body and/or at least one of the at least two rolling elements from the grinding roller in the state of the Has grinding roller.
  • the base body has at least one curved section and at least three rolling bodies, preferably at least five rolling bodies, are provided, with the at least three rolling bodies being arranged on the at least one curved section.
  • the contact pressure and the grinding machine can be given away for free Spacing of the grinding roller to the workpiece are kept constant.
  • the grinding roller can, for example, be supported on different rolling bodies when it is pivoted.
  • the curved section is particularly preferably convex.
  • the at least one adjustment device causes a radial spacing of the at least one grinding roller relative to the at least one base body and/or at least one of the at least two rolling elements, preferably via a lateral and relative movement opposite the at least one grinding roller the at least one base body and/or at least one of the at least two rolling bodies.
  • the at least one fastening device has at least two bearing devices which are spatially spaced apart from one another and to which the at least one grinding roller can be fastened or is fastened axially.
  • the at least two bearing devices make it possible, for example, to change grinding rollers with different grinding roller diameters in a particularly efficient manner, with the spacing of the newly installed grinding roller not having to be adjusted by the adjusting device.
  • a merging of the axis of rotation with the pivot axis can take place in a particularly favorable manner.
  • the at least one grinding roller comprises a rotatable roller body and at least one grinding element, with exactly two spacers being arranged on the roller body in the axial direction.
  • a joint axis via which the roller body can be arranged or is arranged pivotably on the spacer device, is essentially congruent with an axis of rotation of the roller body.
  • the at least one grinding roller is designed as a brush grinding roller and/or in the form of a grinding roller with abrasive grinding elements separate from a roller body.
  • the spacer device can generally be used on any grinding roller.
  • the grinding machine is designed in such a way that when the at least one fastening device on which the at least one grinding machine is arranged is pivoted relative to the at least one base body, a rotational axis of the at least one grinding roller is essentially congruent with one Joint axis of the spacer device remains.
  • the distance between the grinding roller and the workpiece can be kept constant when the grinding machine is pivoted with the fastening devices connected to it, as a result of which the contact pressure of the grinding roller on the workpiece is also kept constant can be.
  • the spacing and/or contact pressure can be changed in a user-friendly manner using the adjustment device in any swivel position of the grinding machine.
  • the transport device allows the grinding machine to be maneuvered before and/or after abrasive processing, for example for storage.
  • the grinding machine includes a compressed air drive, a suction device and/or a fluid supply device
  • the compressed air drive is particularly preferably provided in order to rotate the at least one grinding roller relative to the workpiece.
  • the air drive is not intended to be advanced relative to the workpiece.
  • a fully or semi-automatic feed device can be provided for moving the at least one grinding roller along the workpiece.
  • a suction reduces dirt development adjacent to the sanding roller.
  • the fluid supply device can improve the grinding result.
  • the workpiece prefferably in the form of the wing or fuselage of an airplane, parts of a ship, parts of a train or the rotor blade of a wind turbine.
  • the use of the spacer device is particularly favourable.
  • FIG. 1 shows a spacer device 1 for a grinding roller 2 of a grinding machine 3, comprising a base body 4 on which two rolling elements 5 are rotatably mounted.
  • the spacer device 1 can be supported on a surface 6 to be ground via the two rolling elements 5 during a grinding process (cf. Figure 6a ).
  • a fastening device 7 Arranged centrally between the two rolling elements 5 is a fastening device 7 with which the grinding roller 2 can be detachably fastened to the spacer device 1 .
  • An adjusting device 8 is provided, with which the grinding roller 2 can be adjusted relative to the base body 4 and the two rolling elements 5 when it is fastened to the spacer device 1 .
  • the fastening device 7 can be pivoted relative to the base body about a joint axis 9 which is identical to a pivot axis 11 .
  • the base body 4 has two rolling element receptacles 12 which are spatially separate from one another and between which the fastening device 7 is arranged.
  • the number of rolling body receptacles 12 and rolling bodies 5 is generally arbitrary; however, at least two rolling elements 5 are provided according to the invention.
  • the adjustment device 8 is preferably formed by the base body 4 in combination with a separate adjustment device 13.
  • the adjusting device 8 can also be formed in one piece by an adjusting device 13 which is materially connected to the base body 4 (cf. Figure 6b ), wherein a defined spacing of the grinding roller 2 can be generated by a suitable fastening means such as a clamp connection and/or a screw connection in connection with the fastening device 7 or directly with the grinding roller 2.
  • the adjustment device 8 has two longitudinal grooves 17 arranged parallel to one another on the base body 4, via which the grinding roller 2 can be adjusted relative to the base body 4 and the rolling elements 5 via the adjustment device 13 when it is fastened to the spacer device 2.
  • the number of longitudinal grooves 17 and their orientation is generally arbitrary.
  • the adjustment device 8 of this embodiment of the spacer device 1 comprises the base body 4 and the adjustment device 13 that can be detachably fastened to the base body 4 and moved laterally, with the base body 4 having a receptacle 14 for arranging the adjustment device 13 in certain areas within the receptacle 14.
  • the adjusting device 13 is arranged completely in the receptacle 14 in the lateral direction of the spacer device 1, the adjusting device 13 projecting upwards beyond the base body 4 in the position of use.
  • the adjustment device 13 is bilaterally freely displaceable in the receptacle 14 for adjustment.
  • a scale 15 with an inscription to illustrate a spacing of the grinding roller 2 from the base body 4 and the rolling elements 5 is arranged on the base body 4 .
  • the scale 15 can generally be glued on, painted on, engraved, scratched et cetera or in the form of elevations or the like.
  • Figure 3a shows the adjusting device 13 of the adjusting device 8 with a fastening means 16 in the form of a screw connection for fixing a radial spacing of the base body 4 and the rolling elements 5 from the grinding roller 2 in the state of the grinding roller 2 fastened to the spacer device 1.
  • the type of fastening means 16 is in the Generally any and can also be provided as a clamp connection, for example, in order to fix the radial spacing.
  • the fastening means 16 are inserted into at least one of the two openings, with the adjusting device 13 also generally being used alternatively (cf. Figure 6b ) or can additionally have longitudinal grooves 17 for securing the radial spacing relative to the spacer device 1 .
  • a scale 15 is arranged on the adjustment device 13 or the fastening device 7 as an alternative or in addition to the scale 15 of the base body 4 .
  • Figure 3b shows a rolling body 5 in the form of a wheel.
  • the design of the rolling body 5 is generally arbitrary.
  • barrel-shaped rolling bodies see Figure 6b
  • oblate ellipsoid shapes can be provided as rolling elements 5 (which are shown).
  • the invention is not limited to the geometry of the rolling elements 5 .
  • 3c shows the fastening device 7 of the spacer device 1 for connecting the grinding roller 2, the fastening device 7 being articulated directly on the adjustment device 13 via a fastening means 16 and indirectly on the base body 4 via the adjustment device 13.
  • the grinding roller 2 can also be connected directly to the adjusting device 13 of the spacer device 1, in which case the fastening device 7 separate from the adjusting device 13 can be omitted.
  • the fastening device 7 has three spatially spaced bearing devices 20 to which the grinding roller 2 can be fastened in the axial direction.
  • Figure 4a shows a rotatable roller body 21 of a grinding roller 2, on which grinding elements 22 of the most varied types can be arranged in grooves.
  • the grooves are designed as dovetail grooves and obliquely over an axial longitudinal extension of the roller body 21; however, this is generally not mandatory.
  • the inclined position of the grooves improves the grinding result and the dovetail grooves ensure that the grinding elements 22 are firmly seated on the roller body 21.
  • Figure 4b shows an embodiment of the grinding roller 2 in the form of a grinding roller 2 with separate and abrasive grinding elements 22 from the roller body 21, which are arranged in grooves.
  • the grinding elements 22 arranged in the grooves of the grinding roller comprise a carrier body and a flexible intermediate layer on which abrasive is applied.
  • Figure 4c shows an embodiment of the grinding roller 2, wherein the grinding roller 2 is designed as a brush grinding roller 23. Brushes are detachably connected to the roller body 21 on the circumferential side. In general, however, a brush grinding roller 23 with non-detachable brushes can also be provided.
  • figure 5 shows a grinding machine 3 with a grinding roller 2, wherein an arrangement of the grinding roller 2 with the spacer device 1 can be arranged axially on the grinding machine 3.
  • the spacer device 1 can be mounted on the grinding roller 2 in the axial direction.
  • the grinding machine 3 has a guide device 25 as a drive device 24 in the form of a push rod for manually driving the grinding machine 3 .
  • the drive device 24 can be in the form of a semi-automatic or fully automatic feed device—for example arranged on a housing of the grinding machine 3. It is also conceivable not to use a guide device 25 and only to provide for an advance of the grinding roller 2 via an automatic drive device 24 . It is particularly preferred not to provide a feed device and to move the grinding machine 3 via the guide device 25 .
  • the grinding machine 3 has a compressed air drive 28 in order to set the grinding roller 2 in rotation.
  • the compressed air drive 28 can be arranged, for example, via a compressed air connection on the spacer device 1 and/or the housing of the grinding machine 3 .
  • the grinding machine 3 has a suction device 29 for removing dust and/or fluid during operation.
  • the grinding machine 3 comprises a fluid supply device 30 for applying grinding fluid to a surface 6 to be machined of a workpiece 32, a coating 31 of the surface 6 and/or the grinding elements 22 of the grinding roller 2.
  • a radial spacing of the grinding roller 2 relative to the base body 4 or a rolling body 5 of the spacer device 1 can be adjusted by the adjustment device 8 of the spacer device(s) 1 to be installed.
  • Two axial and opposing spacer devices 1 are particularly preferably provided.
  • a transport device 26 is provided in the grinding machine 3, with two transport wheels 27 being arranged on the transport device 26 in order to maneuver the grinding machine 3, for example, away from operation with a constant spacing of the grinding roller 2 for transport purposes of the grinding machine 3.
  • the grinding roller 2 When fastened to the spacer device 1 , the grinding roller 2 can be rotated about a joint axis 9 of the spacer device 1 relative to the base body 4 , the joint axis 9 being essentially congruent with the axis of rotation 10 of the grinding roller 2 .
  • a pivot axis 11 of the fastening device 7 is substantially congruent with the axis of rotation 10 of the grinding roller 2 in the position of use in relation to the adjusting device 8 .
  • the grinding machine 3 is designed in such a way that when the fastening device 7 on which the grinding machine 3 is arranged is pivoted, an axis of rotation 10 of the grinding roller 2 relative to the base body 4 of the spacer device 1 - caused by a rotation of the guide device 25 about the axis of rotation 10 and an articulation axis 9 of the spacer device 1 - essentially congruent to the articulation axis 9 of the spacer device 1 remains.
  • the joint axis 9 is particularly preferably associated with the adjustment device 13 or the fastening device 7 (pivot axis 11) arranged thereon.
  • Figure 6a shows a grinding roller 2, with exactly two spacer devices 1 being arranged on the roller body 21 in the axial direction, which differ in the geometric configuration from the spacer device 1 according to FIG 1 differentiate.
  • two spacers 1 after 1 be arranged on the grinding roller 2.
  • the grinding roller 2 In the state in which it is fastened to the spacer device 1 , the grinding roller 2 is spaced axially from the adjusting device 8 by the fastening device 7 .
  • the base body 4 is arranged at a radial distance from an axis of rotation 10 of the grinding roller 2 in the state of the grinding roller 2 attached to the spacer device 1 depending on a setting on the adjusting device 8 .
  • a joint axis 9 of the spacer device 1, via which the roller body 21 can be arranged pivotably on the spacer device 1, is essentially congruent with the axis of rotation 10 of the roller body 21.
  • the grinding machine 3 and the arrangement of grinding roller 2 and spacer device 1 can be used to machine a surface 6 of a workpiece 32 that is coated with a coating 31 to protect against environmental influences, with at least one area of the workpiece 32 adjoining the surface 6 to be machined being made of carbon fiber and / or glass fiber composite material.
  • a use with a wax-coated surface 6 of a negative mold for the production of the workpiece 32, which consists at least in regions of a carbon fiber and/or glass fiber composite material, is also possible. Use on a workpiece 32 without a coating is also possible.
  • the workpiece 32 is preferably designed as a wing or fuselage of an airplane, parts of a ship, parts of a train or as a rotor blade of a wind turbine.
  • Figure 6b shows the base body 4 in a material connection with the adjusting device 8 from the side.
  • the base body 4 has a curved section 19 on which a large number of rolling elements 5 are arranged.
  • the number of curved sections 19 is generally arbitrary.
  • the curved section 19 or partial curved sections can be adapted to the geometry of the grinding roller 2 .
  • the adjusting device 8 has two guide rails 18 arranged parallel to one another, via which the grinding roller 2 can be adjusted relative to the base body 4 and the rolling elements 5 when it is fastened to the spacer device 2 by moving the fastening device relative to the base body 4.
  • the spacing can be fixed by fastening means, for example via a connection to the fastening device 7 .
  • the illustration shows an arrangement of the spacer device 1 and the grinding roller 2 , with the grinding roller 2 being attached to the spacer device 1 via the attachment device 7 .
  • a radial spacing of the grinding roller 2 relative to the base body 4 and the rolling bodies 5 can be adjusted by the adjustment device 8 via a lateral and relative movement of the grinding roller 2 relative to the base body 4 or the rolling bodies 5 .

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Grinding Of Cylindrical And Plane Surfaces (AREA)
EP22154994.2A 2021-02-19 2022-02-03 Agencement de distance pour un rouleau de ponçage Pending EP4046749A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ATA50114/2021A AT524747B1 (de) 2021-02-19 2021-02-19 Distanzeinrichtung für eine Schleifwalze

Publications (1)

Publication Number Publication Date
EP4046749A1 true EP4046749A1 (fr) 2022-08-24

Family

ID=80225463

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22154994.2A Pending EP4046749A1 (fr) 2021-02-19 2022-02-03 Agencement de distance pour un rouleau de ponçage

Country Status (3)

Country Link
US (1) US20220266410A1 (fr)
EP (1) EP4046749A1 (fr)
AT (1) AT524747B1 (fr)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3100907A (en) * 1959-09-25 1963-08-20 Otto Schwertl Scraping and polishing apparatus
DE4037510A1 (de) * 1990-11-26 1992-05-27 Leo Lustig Parkettrandschleifmaschine
EP2206580A2 (fr) 2009-01-12 2010-07-14 Janser GmbH Dispositif destiné au traitement de surfaces de sol
US8567058B2 (en) * 2006-12-22 2013-10-29 Vestas Wind Systems A/S Surface finishing of rotor blades for wind turbine
WO2017025093A1 (fr) * 2015-08-12 2017-02-16 Senex A/S Agencement d'abrasion pour une tête de ponçage
WO2017143370A1 (fr) 2016-02-26 2017-08-31 Tyrolit - Schleifmittelwerke Swarovski K.G. Tête abrasive à brosses pour une ponceuse
WO2021007603A1 (fr) 2019-07-16 2021-01-21 Tyrolit - Schleifmittelwerke Swarovski K.G. Segment abrasif pour un rouleau de ponçage, ponceuse et utilisation

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AT524747B1 (de) 2022-11-15
AT524747A1 (de) 2022-09-15

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