EP4058237B1 - Machine à meuler circulaire dotée d'une unité de dressage - Google Patents

Machine à meuler circulaire dotée d'une unité de dressage Download PDF

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Publication number
EP4058237B1
EP4058237B1 EP21810538.5A EP21810538A EP4058237B1 EP 4058237 B1 EP4058237 B1 EP 4058237B1 EP 21810538 A EP21810538 A EP 21810538A EP 4058237 B1 EP4058237 B1 EP 4058237B1
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EP
European Patent Office
Prior art keywords
axis
rotation
workpiece
grinding
dressing
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Active
Application number
EP21810538.5A
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German (de)
English (en)
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EP4058237A1 (fr
Inventor
Frank ZIERSCH
Jean-Claude Montandon
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Ziersch GmbH
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Ziersch GmbH
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Publication of EP4058237A1 publication Critical patent/EP4058237A1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
    • B24B5/02—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work
    • B24B5/04—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work for grinding cylindrical surfaces externally
    • 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
    • B24B41/06—Work supports, e.g. adjustable steadies
    • B24B41/061—Work supports, e.g. adjustable steadies axially supporting turning workpieces, e.g. magnetically, pneumatically
    • B24B41/062—Work supports, e.g. adjustable steadies axially supporting turning workpieces, e.g. magnetically, pneumatically between centres; Dogs

Definitions

  • the present invention relates to a cylindrical grinding machine for grinding a preferably rotatable workpiece.
  • the cylindrical grinding machine is used in particular for grinding a cylindrical workpiece, for example, clamped between centers or on one side, using a rotating grinding wheel.
  • the cylindrical grinding machine also includes a dressing unit for dressing the grinding wheel.
  • the DE 31 36 396 A1 shows a portal grinding machine with one or more stands and a traverse attached to the stand at the top.
  • An infeed carriage is movably mounted on the traverse and carries a tool drive head for driving a machining tool.
  • a workpiece set-up bench has two spaced workpiece holders between which the workpiece to be machined is kept free and is driven in rotation about its longitudinal axis.
  • the infeed carriage can be moved transversely to the longitudinal axis of the workpiece. When machining the workpiece, the machining tool is arranged above the longitudinal axis of the workpiece.
  • the infeed carriage can also be moved parallel to the longitudinal axis of the workpiece.
  • the two spaced workpiece holders are formed by a work headstock fixed on a working platform and by a tailstock that can be fixed on the working platform.
  • the DD 7177 shows a device for fine dressing a grinding wheel.
  • a positively guided dressing wheel that runs along and is set at an angle to the axis of rotation of the grinding wheel is moved parallel to the axis of rotation of the grinding wheel.
  • the axis of rotation of the dressing wheel set at an angle lies in a common plane with the axis of rotation of the grinding wheel.
  • EP 3 351 344 A1 describes a cylindrical grinding machine in which a grinding wheel is guided vertically upwards while the workpiece to be machined is positioned below the grinding wheel.
  • a rotation axis of the workpiece lies on a vertical plane on which a rotation axis of the grinding wheel is moved in the vertical direction.
  • the axis of rotation of the workpiece can be adjusted in this vertical plane as well as transversely or at right angles to it in the thousandths of a millimeter range.
  • a disadvantage of this cylindrical grinding machine is that, despite the arrangement of the grinding wheel over the workpiece, unwanted tilting can occur between the grinding wheel and the workpiece, so that the machining accuracy that can be achieved is limited.
  • a workpiece holder is known, with which workpieces are to be held in a position to be machined in a grinding machine.
  • the holder is designed in particular for rod-shaped workpieces.
  • the DE 20 2011 002 176 U1 shows a grinding/polishing machine that includes a machine body with a support base and a platform mounted on the support base for holding a workpiece. A post extends from the support base in a Z-axis direction.
  • the grinding/polishing machine also includes a first grinding unit having a first grinding wheel and slidably mounted on the stand, and a second grinding unit having a second grinding wheel mounted to the first grinding unit for simultaneous movement with the first grinding unit and slidable relative to the first grinding unit to move the second grinding wheel in a Y-axis direction.
  • From the DE 1 118 646 is an attachment that can be placed on a clamping table of a surface grinding machine for circular and conical grinding of round workpieces, on whose base plate provided with a clamping groove a tailstock and opposite this a work headstock motor-driven via a V-belt with a drive disk are arranged.
  • the base plate can be tilted to both sides.
  • the DE 10 2014 102 938 A1 shows a grinding machine with a tool magazine.
  • the grinding machine comprises a machine bed, two vertical columns arranged laterally on the machine bed and a bridge which can be moved on the vertical columns in a horizontal linear Y-axis, in the manner of a portal structure.
  • the grinding machine also includes an X slide that can be moved on the bridge in a horizontal linear X axis and a Z slide that can be moved on the X slide in a vertical linear Z axis, as well as a grinding spindle mounted on the Z slide.
  • a machine table arranged on the machine bed carries a workpiece clamping device.
  • the tool magazine is designed as a magazine wheel and has tool holders on its circumference for interchangeably accommodating grinding wheels. The tool magazine can be rotated about an axis parallel to the Z-axis on the machine table.
  • the DE 195 14 390 A1 shows a grinding machine with a grinding spindle arranged on a grinding spindle carrier and having an axis inclined obliquely downwards.
  • a workpiece holder is arranged axially parallel to a grinding wheel and approximately in the axial direction of the grinding spindle. The workpiece holder can be moved perpendicularly to the direction of the axis of the grinding spindle.
  • a housing encloses the workpiece holder and the grinding wheel. The housing is arranged at an angle in the axial direction of the grinding spindle and has an outlet opening for coolant at the lowest point. Drives for the linear movements of the workpiece holder and for the rotary movements of the grinding wheel and a workpiece are arranged outside the housing.
  • the WO 2013/178625 A1 relates to a device for sharpening tools with cutting edges for machining.
  • the device comprises a monolithic machine block with at least two functional surfaces arranged at an angle to one another and a workpiece carrier arrangement for clamping a workpiece to be machined.
  • the device also includes a machining unit to which a tool for machining the workpiece can be attached.
  • the processing unit is displaceably attached to a carrier.
  • the machine block has a first linear guide on the first functional surface for guiding a workpiece carrier arrangement along a first guide axis and on the second functional surface a second linear guide for guiding the carrier for the machining unit along a second guide axis.
  • the DE 10 2014 115 149 B3 shows a grinding machine with a machine bed and with a grinding spindle which can be coupled to a spindle drive and for receiving a grinding wheel is trained.
  • a control spindle can be coupled to a spindle drive and is designed to hold a control wheel.
  • a workpiece support is designed to hold a workpiece to be machined between the grinding spindle and the control spindle.
  • the grinding spindle and the control spindle are coupled to the machine bed and can be moved relative to one another.
  • the grinding spindle and the control spindle form a spindle set.
  • a longitudinal guide is formed on the machine bed, on which a base slide is accommodated.
  • the machine bed and the base slide define a first axis of movement.
  • the grinding spindle is coupled to the base slide and assigned to a second axis of movement.
  • the object of the present invention is to increase the machining accuracy of a cylindrical grinding machine while keeping the structural design simple. At the same time, a high level of dressing accuracy should be achievable. Those should be preferred The dimensions of the machine can be designed in such a way that it only requires a small amount of space in a workshop.
  • the cylindrical grinding machine according to the invention is used for grinding a workpiece.
  • the workpiece is preferably made of metal, for example steel.
  • Rotationally symmetrical as well as non-rotationally symmetrical workpieces can be processed with the cylindrical grinding machine.
  • high demands can be met with regard to the surface to be achieved, accuracy, dimensional accuracy and freedom from twist.
  • the cylindrical grinding machine includes a machine bed, which is preferably attached to a main stand of the cylindrical grinding machine, so that the machine bed rests firmly on a floor on which the main stand stands.
  • the main stand forms a support for all other components of the cylindrical grinding machine.
  • the machine bed is preferably aligned horizontally and is preferably connected to the main column without moving bearing units.
  • the machine bed carries a swivel table, on which a work headstock for the rotary drive of the work piece is arranged in a fixed mountable manner.
  • the workhead and also the swivel table are not designed to be displaced during grinding of the workpiece. In particular, the workhead is not designed to be displaced axially in the direction of an axis of the workhead during grinding of the workpiece.
  • the workhead is preferably fixed on the swivel table assembled.
  • the work headstock, which can be mounted firmly on the machine bed, and the tailstock, which can be fixed on the machine bed are firmly connected to the
  • a tailstock is also arranged in a fixed manner on the swivel table or on a lifting carriage attached to it.
  • the tailstock is used to hold the workpiece at an axial end of the workpiece opposite the workpiece headstock.
  • the lifting carriage can move the tailstock axially when the workpiece is to be clamped or unclamped.
  • a first axis of rotation about which the workpiece can be rotated is defined by the workhead and the tailstock.
  • the tailstock can preferably be moved and fixed on the swivel table in order to be able to adapt it to workpieces of different lengths.
  • the swivel table can be swiveled relative to the machine bed about a swivel axis aligned in a horizontal direction transverse to the first axis of rotation.
  • the pivoting movement can preferably be fixed, so that the pivoting table cannot be pivoted, in particular during the grinding of the workpiece. If the pivoting movement is fixed, the pivoting table is preferably firmly connected to the machine bed.
  • the pivoting table can preferably be pivoted with respect to a horizontal line, so that the pivoting table is aligned horizontally in an initial position. In this starting position, the first axis of rotation is also aligned horizontally.
  • the cylindrical grinding machine also includes a grinding wheel that can be rotated about a second axis of rotation for grinding the workpiece.
  • the first axis of rotation and the second axis of rotation are arranged together in a vertical plane.
  • the second axis of rotation is positioned above the first axis of rotation such that the grinding wheel is positioned above the workpiece.
  • the workpiece is thus machined from above by the grinding wheel.
  • the second axis of rotation is arranged above the first axis of rotation with respect to the vertical direction.
  • the grinding wheel is preferably seated on a shaft, which is in particular a grinding spindle.
  • This grinding spindle is preferably mounted in at least one, preferably in several, rotary bearings, so that it can rotate, whereby the grinding wheel also rotates and the workpiece can be ground with the grinding wheel.
  • the second axis of rotation is preferably aligned horizontally, in particular fixed horizontally.
  • the cylindrical grinding machine also includes a longitudinal guide for displacing the rotatable grinding wheel axially in the direction of the second axis of rotation, ie for displacing in the direction defined by the second axis of rotation.
  • a tower which carries the grinding wheel spindle and the grinding wheel, is shifted axially.
  • the longitudinal guide is also arranged in the vertical plane comprising the first axis of rotation and the second axis of rotation.
  • the longitudinal guide has in particular a central guide axis which is preferably arranged in the vertical plane comprising the first axis of rotation and the second axis of rotation.
  • the longitudinal guide is designed in particular to move the grinding wheel indirectly along the second axis of rotation.
  • the longitudinal guide is preferably designed to displace the grinding wheel spindle carrying the grinding wheel or the at least one bearing supporting the grinding wheel spindle in the direction of the second axis of rotation, as a result of which the grinding wheel is displaced indirectly in the direction of the second axis of rotation, i.e. on the second axis of rotation.
  • the shaft is preferably a grinding spindle with an electric grinding wheel motor.
  • the at least one bearing is accordingly a spindle bearing.
  • the longitudinal guide then serves for the direct or indirect axial displacement of the grinding wheel motor in the direction of the second axis of rotation, as a result of which the grinding wheel is also displaced indirectly in the direction of the second axis of rotation.
  • the cylindrical grinding machine also includes a dressing unit for dressing the grinding wheel.
  • the dressing unit is arranged in the axial direction next to the tailstock on the machine bed in relation to the first axis of rotation.
  • the dressing unit is therefore preferably also arranged in the first axis of rotation, specifically next to the tailstock on the machine bed.
  • the dressing unit is preferably mounted on the machine bed so that it can be displaced in a horizontal direction transverse to the first axis of rotation, so that it can be moved in this direction in relation to the grinding wheel; for example, to guide a dressing tool sitting on the dressing unit to the grinding wheel or to be able to choose from different dressing tools sitting on the dressing unit.
  • the dressing unit, the workhead and the Tailstock are arranged together on the machine bed.
  • the dressing unit arranged on the machine bed is preferably firmly connected to the machine bed, so that the dressing unit is also firmly connected to the workhead, the tailstock and the main stand via the machine bed during a dressing process. This prevents unwanted displacements of the dressing unit during dressing, which leads to high accuracy when dressing the grinding wheel.
  • a particular advantage of the cylindrical grinding machine is that the joint arrangement of the two rotational axes and the longitudinal guide in a single vertical plane allows high machining accuracy and a compact design of the cylindrical grinding machine.
  • the workpiece sitting on the workhead does not have to be moved in the direction of the second axis of rotation, since the grinding wheel can be moved lengthwise with the help of the longitudinal guide.
  • the workpiece sits firmly on the machine bed, which enables increased machining accuracy.
  • the cylindrical grinding machine further includes a grinding wheel motor.
  • the grinding wheel motor has a motor shaft coupled to the grinding wheel spindle on which the grinding wheel is fixedly mounted.
  • the motor shaft is in the second axis of rotation.
  • the at least one rotary bearing for mounting the grinding wheel is formed, for example, in the grinding wheel motor.
  • the longitudinal guide carries the grinding wheel motor together with the grinding wheel.
  • the longitudinal guide carries the grinding wheel motor preferably indirectly.
  • the longitudinal guide preferably comprises two parallel guide rails which are arranged in a horizontal plane.
  • the central guide axis runs in the middle between these two guide rails and is preferably arranged in the vertical plane comprising the first axis of rotation and the second axis of rotation.
  • the guide rails are preferably located on the main stand of the cylindrical grinding machine.
  • the longitudinal guide preferably includes a first actuator, by which the longitudinal guide can be driven.
  • the grinding wheel can thus be displaced in the direction of the second axis of rotation by the drive of the first actuator.
  • the longitudinal guide allows the rotatable grinding wheel to be displaced by preferably at least 400 mm and more preferably at least 700 mm.
  • the cylindrical grinding machine also includes a vertical guide for guiding the grinding wheel vertically.
  • the grinding wheel can be guided up and down in the vertical direction by the vertical guide.
  • the grinding wheel can therefore be guided to the workpiece from above with the vertical guide in order to grind the workpiece.
  • the grinding wheel is guided in the radial direction to the workpiece by the vertical guide.
  • the vertical guide preferably carries the grinding wheel motor together with the grinding wheel.
  • the Longitudinal guide preferably carries the vertical guide and thus indirectly also the grinding wheel motor.
  • the vertical guide preferably includes a second actuator, by which the vertical guide can be driven.
  • the grinding wheel can be shifted up and down in the vertical direction by driving the second actuator.
  • the vertical guide allows the rotatable grinding wheel to be displaced by preferably at least 200 mm.
  • the cylindrical grinder further includes a turret supported by the longitudinal guide.
  • the tower carries the vertical guide, with the vertical guide preferably being arranged in or on the tower.
  • the vertical guide carries the grinding wheel; in particular the grinding wheel motor with the coupled grinding wheel spindle and the grinding wheel sitting on it.
  • the tower is arranged next to the grinding wheel in the axial direction in relation to the second axis of rotation.
  • the tower is preferably arranged next to the dressing unit in the axial direction relative to the first axis of rotation, with the dressing unit being located between the tower and the tailstock.
  • the tower is preferably carried by the two guide rails on the main stand and is guided in these guide rails, which form the longitudinal guide.
  • the tower is slid along the longitudinal guide to move the grinding wheel.
  • the turret preferably has a central axis which is vertically oriented and axially adjacent to the grinding wheel relative to the second axis of rotation is arranged.
  • the central axis is preferably arranged next to the dressing unit in the axial direction relative to the first axis of rotation, the dressing unit being located between the central axis and the tailstock.
  • the middle axis preferably lies in the vertical plane comprising the first axis of rotation and the second axis of rotation.
  • the work headstock preferably comprises a work piece motor for rotating the work piece and a work piece spindle.
  • the workhead can be moved on the swivel table and fixed there.
  • the dressing unit preferably comprises a number of different dressing tools, which are arranged next to one another in a horizontal plane. Since the dressing tools are mounted on the dressing unit so that they can be displaced in a horizontal direction transversely to the first axis of rotation, one of the dressing tools can be selected for dressing in each case by such a displacement process.
  • the plurality of dressing tools are preferably arranged next to one another in a horizontal direction transverse to the first axis of rotation.
  • the dressing unit comprises at least one static dressing tool and at least one dynamic dressing tool, so that different dressing processes can be carried out on the grinding wheel.
  • the pivoting table is pivotably mounted in a pivot bearing relative to the machine bed at an axial first end of the pivoting table relative to the first axis of rotation.
  • a vertical distance between an axial one related to the first axis of rotation second end of the swivel table and the machine bed is defined by an adjustment element.
  • the vertical distance between the axial second end of the swivel table, which is related to the first axis of rotation, and the machine bed is defined in particular by an adjustable length of the adjustment element.
  • the adjusting element is preferably formed by a spindle.
  • the adjusting element preferably includes a coarse adjustment and a fine adjustment.
  • the swivel table can preferably be swiveled by at least ⁇ 5° in relation to the machine bed.
  • the machine bed includes a base plate on which the dressing unit, the pivot bearing and the adjustment element are attached.
  • the base plate is preferably made of cast steel.
  • the cylindrical grinding machine includes a main stand 01, which carries a tower 02 and a machine bed 03.
  • the tower 02 carries a grinding unit 04, which is also referred to as a grinding headstock and which includes a grinding wheel motor (not shown) and a grinding wheel 06 driven by the grinding wheel motor.
  • a swivel table 07 is arranged on the machine bed 03, on which a workpiece headstock 08 for the rotational drive of a workpiece 09 (shown in 4 ) is fixed.
  • a tailstock 11 is arranged on the pivoting table 07 so that it can be fixed. The distance between the tailstock 11 and the workhead 08 can be changed.
  • the workpiece 09 is between the workhead 08 and the tailstock 11 clampable.
  • Workpiece headstock 08 includes a workpiece motor 12 for rotationally driving workpiece 09.
  • Workpiece headstock 08 defines a first axis of rotation about which workpiece 09 rotates.
  • the swivel table 07 can be tilted relative to the machine bed 03.
  • the swivel table 07 is connected to the machine bed 03 via a swivel bearing 13 on the one hand and to the machine bed 03 via an adjustment element 14 on the other hand.
  • a dressing unit 16 for dressing the grinding wheel 06 is also arranged on the machine bed 03 and is located axially next to the tailstock 11 in relation to the first axis of rotation.
  • the dressing unit 16 is thus located between the tailstock 11 and the tower 02.
  • the dressing unit 16 is mounted on the machine bed 03 so that it can be displaced in a horizontal direction transversely to the first axis of rotation.
  • the grinding wheel motor drives the grinding wheel 06 so that it rotates about a second axis of rotation.
  • Tower 02, the first axis of rotation and the second axis of rotation all lie in a vertical plane.
  • Tower 02 is carried by main stand 01 via a longitudinal guide 17 .
  • the longitudinal guide 17 allows the tower 02 to be displaced axially in the direction of the second axis of rotation, ie in the vertical plane comprising the first axis of rotation and the second axis of rotation.
  • the grinding wheel 06 is also moved in this direction.
  • a vertical guide 18 (shown in Fig 2 ) arranged, which carries the grinding unit 04.
  • the vertical guide 18 allows a vertical displacement of the grinding unit 04 relative to the tower 02.
  • the vertical guide 18 thus allows a vertical displacement of the grinding wheel 06, so that the grinding wheel 06 can be guided in the vertical direction to the workpiece 09.
  • the vertical guide 18 has a central axis which lies in the vertical plane comprising the first axis of rotation and the second axis of rotation.
  • FIG 2 shows a perspective view of FIG 1 cylindrical grinding machine shown.
  • the vertical guide 18 located in the tower 02 can be seen, among other things.
  • FIG 3 shows a detailed view of the in 1 cylindrical grinding machine shown.
  • the swivel table 07 is aligned horizontally.
  • FIG 4 shows a further detailed view of the in 1 cylindrical grinding machine shown.
  • the swiveling table 07 is inclined by -10° in relation to the machine bed 03 and thus also by -10° in relation to the horizontal.
  • the adjustment element 14 is adjusted.
  • the workpiece 09 to be ground is shown in this view.
  • the grinding wheel 06 rotating about the second axis of rotation grinds the workpiece 09 rotating about the first axis of rotation.
  • figure 5 shows a further detailed view of the in 1 cylindrical grinding machine shown.
  • the swivel table 07 is in this representation by +6 ° compared to the machine bed 03 and thus also inclined by +6° to the horizontal. To set the inclination, the adjustment element 14 is adjusted.
  • FIG. 6 shows a side view of in 1 shown cylindrical grinding machine during a dressing process.
  • the grinding wheel 06 was adjusted using the longitudinal guide 17 and the vertical guide 18 (shown in 2 ) to the dressing unit 16.
  • the grinding wheel 06 rotating about the second axis of rotation is dressed by the dressing unit 16 .
  • FIG. 7 shows a detailed view of the in 1 shown cylindrical grinding machine during a dressing process.
  • the grinding wheel 06 was adjusted using the longitudinal guide 17 (shown in 6 ) and using the vertical guide 18 (shown in 2 ) to the dressing unit 16.
  • the swivel table 07 was inclined by -10° relative to the machine bed 03 and thus also by -10° relative to the horizontal.
  • the workpiece 09 to be ground is also shown in this view.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Grinding Of Cylindrical And Plane Surfaces (AREA)
  • Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
  • Grinding-Machine Dressing And Accessory Apparatuses (AREA)

Claims (15)

  1. Rectifieuse cylindrique, destinée à rectifier une pièce à usiner (09) ; comprenant :
    - un banc de machine (03), lequel porte un plateau pivotant (07), sur lequel une poupée porte-pièce (08) est placée en étant montable de manière fixe, pour l'entraînement en rotation de la pièce à usiner (09) et sur lequel une contre-poupée (11) est placée en pouvant être immobilisée, de telle sorte que par la poupée porte-pièce (08) et par la contre-poupée (11) soit défini un premier axe de rotation, autour duquel la pièce à usiner (09) peut tourner, le plateau pivotant (07) étant susceptible de pivoter autour d'un axe de pivotement orienté dans une direction horizontale, à la transversale du premier axe de rotation, par rapport au banc de machine (03) ;
    - un disque abrasif (06), susceptible de tourner autour d'un deuxième axe de rotation, pour rectifier la pièce à usiner (09) ; et
    - un guidage longitudinal (17), destiné à déplacer le disque abrasif (06) en direction axiale, vers le deuxième axe de rotation ;
    - une unité de dressage (16), destinée à dresser le disque abrasif (06),
    caractérisée en ce que le premier axe de rotation et le deuxième axe de rotation sont placés conjointement dans un plan vertical, le deuxième axe de rotation étant placé au-dessus du premier axe de rotation; et en ce que le guidage longitudinal (17) est placé dans le plan vertical comprenant le premier axe de rotation et le deuxième axe de rotation; et en ce que l'unité de dressage (16) est placée en rapport au premier axe de rotation à côté de la contre-poupée (11), en direction axiale sur le banc de machine (03).
  2. Rectifieuse cylindrique selon la revendication 1, caractérisée en ce que le deuxième axe de rotation est orienté à l'horizontale.
  3. Rectifieuse cylindrique selon la revendication 1 ou 2, caractérisée en ce que le guidage longitudinal (17) comporte un axe de guidage central, lequel est placé dans le plan vertical comprenant le premier axe de rotation et le deuxième axe de rotation.
  4. Rectifieuse cylindrique selon l'une quelconque des revendications 1 à 3, caractérisée en ce qu'elle comprend par ailleurs un moteur de disque abrasif, qui comporte un arbre moteur, sur lequel est monté le disque abrasif (06), le guidage longitudinal (17) portant le moteur de disque abrasif conjointement avec le disque abrasif (06).
  5. Rectifieuse cylindrique selon l'une quelconque des revendications 1 à 4, caractérisée en ce qu'elle comprend par ailleurs un guidage vertical (18), pour guider verticalement le disque abrasif (06), à l'aide duquel le disque abrasif (06) peut être guidé vers la pièce à usiner (09).
  6. Rectifieuse cylindrique selon la revendication 5, caractérisée en ce qu'elle comprend par ailleurs un tour (02), lequel est porté par le guidage longitudinal (17) et lequel porte le guidage vertical (18), le tour (02) étant placé dans le plan vertical comprenant le premier axe de rotation et le deuxième axe de rotation.
  7. Rectifieuse cylindrique selon la revendication 6, caractérisée en ce que le tour (02) est placé en rapport au premier axe de rotation à côté de l'unité de dressage (16) en direction axiale, l'unité de dressage (16) se trouvant entre le tour (02) et la contre-poupée (11).
  8. Rectifieuse cylindrique selon la revendication 6 ou 7, caractérisée en ce que le tour (02) comporte un axe central, lequel est orienté à la verticale et en rapport au deuxième axe de rotation, est placé à côté du disque abrasif (06) en direction axiale.
  9. Rectifieuse cylindrique selon l'une quelconque des revendications 1 à 8, caractérisée en ce que la poupée porte-pièce (08) comporte un moteur (12) de pièce à usiner pour l'entraînement en rotation de la pièce à usiner (09), le moteur (12) de pièce à usiner étant susceptible d'être monté fixement sur le plateau pivotant (07).
  10. Rectifieuse cylindrique selon l'une quelconque des revendications 1 à 9, caractérisée en ce que l'unité de dressage (16) est logée sur le banc de machine (03) en étant déplaçable dans une direction horizontale à la transversale du premier axe de rotation.
  11. Rectifieuse cylindrique selon l'une quelconque des revendications 1 à 10, caractérisée en ce que l'unité de dressage (16) comprend plusieurs outils de dressage, lesquels sont placés côté à côte dans un plan horizontal, les outils de dressage étant logés en étant déplaçables dans une direction horizontale à la transversale du premier axe de rotation.
  12. Rectifieuse cylindrique selon la revendication 11, caractérisée en ce que l'unité de dressage (16) comprend au moins un outil de dressage statique et au moins un outil de dressage dynamique.
  13. Rectifieuse cylindrique selon l'une quelconque des revendications 1 à 12, caractérisée en ce que le plateau pivotant (07) est logé de manière pivotante par rapport au banc de machine (03), sur une première extrémité axiale du plateau pivotant (07) en rapport au premier axe de rotation dans un coussinet de pivotement (13), un écart vertical entre une deuxième extrémité du plateau pivotant (07) en rapport au premier axe de rotation et le banc de machine (03) étant défini par un élément d'ajustage (14).
  14. Rectifieuse cylindrique selon la revendication 13, caractérisée en ce que le banc de machine (03) comprend une plaque d'embase, sur laquelle sont fixés l'unité de dressage (16), le coussinet de pivotement (13) et l'élément d'ajustage (14).
  15. Rectifieuse cylindrique selon l'une quelconque des revendications 1 à 14, caractérisée en ce le plateau pivotant (07) est susceptible de pivoter de la valeur d'au moins ±5 ° par rapport au banc de machine (03).
EP21810538.5A 2020-11-13 2021-11-05 Machine à meuler circulaire dotée d'une unité de dressage Active EP4058237B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102020130004.2A DE102020130004A1 (de) 2020-11-13 2020-11-13 Rundschleifmaschine mit Abrichteinheit
PCT/EP2021/080709 WO2022101090A1 (fr) 2020-11-13 2021-11-05 Machine à meuler circulaire dotée d'une unité de dressage

Publications (2)

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EP4058237A1 EP4058237A1 (fr) 2022-09-21
EP4058237B1 true EP4058237B1 (fr) 2023-05-10

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EP21810538.5A Active EP4058237B1 (fr) 2020-11-13 2021-11-05 Machine à meuler circulaire dotée d'une unité de dressage

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EP (1) EP4058237B1 (fr)
DE (1) DE102020130004A1 (fr)
WO (1) WO2022101090A1 (fr)

Family Cites Families (10)

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Publication number Priority date Publication date Assignee Title
US2842905A (en) 1953-04-13 1958-07-15 Carl G Rolin Work holder
DE1118646B (de) 1959-05-11 1961-11-30 Wilhelm Friedrich Munk Auf den Aufspanntisch einer Flaechenschleifmaschine aufsetzbares Zusatzgeraet zum Rund- und Konisch-Schleifen von Werkstuecken
DE2204309A1 (de) 1972-01-31 1973-08-16 Salje Ernst Verfahren und vorrichtung zum rundund flachschleifen von werkstuecken
DE3136396A1 (de) 1981-09-14 1983-03-24 Werner Gerhard 6113 Babenhausen Lang Portalschleifmaschine mit einem oder mehreren staendern
DE19514390C2 (de) * 1995-04-19 1997-10-23 Karl Heinz Giebmanns Schleifmaschine
TWM383466U (en) 2010-03-02 2010-07-01 Axisco Prec Machinery Co Ltd High-efficiency fine & coarse grinding CNC dual-axes surface grinder
DE102012010689A1 (de) * 2012-05-30 2013-12-05 Vollmer Werke Maschinenfabrik Gmbh Vorrichtung zum Schärfen von Werkzeugen mit Schneiden, wie beispielsweise Bohrer, Fräser oder dergleichen
DE102014102938A1 (de) 2014-03-05 2015-09-10 Haas Schleifmaschinen Gmbh Bearbeitungsmaschine, insbesondere Schleifmaschine
DE102014115149B3 (de) * 2014-10-17 2016-01-21 Schaudt Mikrosa Gmbh Schleifmaschine, insbesondere kompakt gestaltete spitzenlose Schleifmaschine
CH713162B1 (de) 2016-11-30 2020-07-15 Florian Haenni Schleifmaschine, insbesondere Rundschleifmaschine.

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EP4058237A1 (fr) 2022-09-21
DE102020130004A1 (de) 2022-05-19
WO2022101090A1 (fr) 2022-05-19

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