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WO2011124458A1 - Outil motorisé portable pourvu d'un dispositif de compensation de déséquilibre et d'un dispositif de serrage pour un moyen de travail à symétrie de rotation - Google Patents

Outil motorisé portable pourvu d'un dispositif de compensation de déséquilibre et d'un dispositif de serrage pour un moyen de travail à symétrie de rotation Download PDF

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Publication number
WO2011124458A1
WO2011124458A1 PCT/EP2011/054113 EP2011054113W WO2011124458A1 WO 2011124458 A1 WO2011124458 A1 WO 2011124458A1 EP 2011054113 W EP2011054113 W EP 2011054113W WO 2011124458 A1 WO2011124458 A1 WO 2011124458A1
Authority
WO
WIPO (PCT)
Prior art keywords
housing
compensation device
imbalance compensation
tool according
output spindle
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.)
Ceased
Application number
PCT/EP2011/054113
Other languages
German (de)
English (en)
Inventor
Jörg BAUER
Matthias Sperber
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.)
Schaeffler Technologies AG and Co KG
Original Assignee
Schaeffler Technologies AG and Co 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 Schaeffler Technologies AG and Co KG filed Critical Schaeffler Technologies AG and Co KG
Publication of WO2011124458A1 publication Critical patent/WO2011124458A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • B24B41/00—Component parts such as frames, beds, carriages, headstocks
    • B24B41/04—Headstocks; Working-spindles; Features relating thereto
    • B24B41/042—Balancing mechanisms
    • 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
    • B24B23/028—Angle 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
    • B24B45/00—Means for securing grinding wheels on rotary arbors
    • B24B45/006—Quick mount and release means for disc-like wheels, e.g. on power tools
    • 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
    • B24D5/16—Bushings; Mountings
    • B24D5/165—Balancing means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
    • B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
    • B25F5/006—Vibration damping means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/32—Correcting- or balancing-weights or equivalent means for balancing rotating bodies, e.g. vehicle wheels
    • F16F15/36—Correcting- or balancing-weights or equivalent means for balancing rotating bodies, e.g. vehicle wheels operating automatically, i.e. where, for a given amount of imbalance, there is movement of masses until balance is achieved
    • F16F15/363—Correcting- or balancing-weights or equivalent means for balancing rotating bodies, e.g. vehicle wheels operating automatically, i.e. where, for a given amount of imbalance, there is movement of masses until balance is achieved using rolling bodies, e.g. balls free to move in a circumferential direction

Definitions

  • the present invention relates to a portable power tool including a machine housing, a drive motor, a drive shaft of the motor, an angular gear drivable by the drive shaft, and an output shaft drivable by the bevel gear in which an imbalance compensator is rotationally fixed to the far end of the output shaft is connected, and in which at the axial end of the output spindle from the same drivable working means can be fastened.
  • Portable power tools of the type mentioned are used both in the field of factory-made production of objects as well as artisanal or private. These include angle grinders, or angle grinders for short.
  • the work equipment of the angle grinder so its grinding wheel, not infrequently has an uneven wear during operation, so that at the usually high speeds of the grinding wheels comparatively high imbalance forces can occur.
  • automatically effective balancing devices which are usually designed as ball balancing devices, are integrated on generic motor tools.
  • Such a power tool is known for example from DE 697 07 967 T2.
  • Generic portable power tools also have a tensioning device on, by means of a working means, so for example a grinding wheel, with the output spindle of the power tool can be rotatably connected.
  • the output spindle is usually locked with a first assembly tool, so held against rotation, and solved by means of a second mounting tool, a fastening nut or fixing screw which rotatably fixed the grinding wheel on the output spindle.
  • the first assembly tool may be a fork wrench or a housing-side guided pin in the simplest case, which engages in a radial bore of the output spindle, this setting against the machine housing.
  • the invention has for its object to present a portable power tool, which has a automatically effective unbalance compensation device and a clamping device for the working fluid, the latter in a change mög- lent easy and without great effort dissolved or re-attached can be.
  • the invention is based on the finding that a quick and energy-saving change of the working means can be realized if it is possible to reduce the number of assembly tools and the necessary release forces reduce by using a thrust bearing.
  • the invention relates to a portable power tool, comprising a machine housing, a drive motor, a drive shaft of the motor, an angular drive drivable by the drive shaft, and an output spindle drivable by the angular drive, in which an unbalance compensation device is connected in a rotationally fixed manner to the end of the output spindle remote from the angular gear is, and in which at the axial end of the output spindle from the same drivable working means can be fastened.
  • the imbalance compensation device comprises a housing which is rotatably mounted on the output spindle, that is arranged or formed on a winkelgetriebefernen side of the housing of the imbalance compensation device, a thrust bearing that the output spindle in the region of its axial end Has thread on which a fastening means is screwed, that the working means by means of the fastening means on a Vermosring of the thrust bearing is clamped in its operating position, and that the VerFDring against the housing of the imbalance compensation device is arranged rotatably in the circumferential direction.
  • a portable power tool having a comparatively simple structure, in which the unbalance compensating device and a tensioning device for the working fluid are structurally combined.
  • the axial bearing arranged between the unbalance compensation device and the working means for example a grinding wheel, enables a very easy release of the fastening means which fixes the working means to the tool drive.
  • the combined balancing and clamping device forms an assembly part or system that can be integrated into different types of portable power tools through the use of common parts.
  • the motor tool can be designed, for example, as an angle grinder or as an angle polishing machine, which can be driven by an electric motor or a pneumatic drive motor.
  • the axial bearing can be provided that this is designed as a sliding bearing or as a rolling bearing.
  • rolling bearings are e.g. Ball bearing into consideration, although the formation of the thrust bearing is preferred as a needle bearing. In principle, however, any type of friction reducing measures or machine elements between the working means and its axial seat on the housing of the balancing device can be used.
  • a path of the thrust bearing is formed on the outer side of the housing of the imbalance compensation device that is remote from the angular gear.
  • this requires increased demands on the material properties and surface finish of the outer wall of the housing of the imbalance compensation device.
  • a sliding or running disk is arranged, which is associated with an axially opposite sliding or running disk of the thrust bearing.
  • the latter sliding or running disk of the axial bearing is the already mentioned twisting ring. This will be discussed in connection with the description of an embodiment.
  • the angular transmission-remote path of the axial bearing is formed on a radial section of the half-axial section of the L-shaped twisting ring, and that the radially inwardly disposed hollow cylindrical section of the twisting ring is circumferentially spaced from one another at its end near the angle Having fingers, the ring-shaped openings in the housing of the balancing device axially pass through in the direction of the angular gear.
  • the fingers of Verwindrings therefore limit the rotatability of the same relative to the housing in the range of a predetermined twist angle.
  • the VerFring is arranged radially above a hollow cylindrical receiving portion for the working means on the housing of the imbalance compensation device.
  • the twisting ring is easily rotatable relative to the housing of the unbalance compensating device in its capacity as an axially outer ring of the axial bearing.
  • the housing of the imbalance compensation device on a hollow cylindrical receiving portion which serves for centering support of the working means, so for example the grinding wheel.
  • this working means is pushed with its central opening with slight radial clearance on the hollow cylindrical receiving portion of the housing of the imbalance compensation device until this working medium reaches the twisting ring for axial abutment.
  • the housing of the imbalance compensation device with a cover under a larger force axially displaceable lid, preferably closed fluid-tight.
  • the housing and the lid are preferably made of formed sheets. Between the housing and the lid, this results in a sealed interior space for mounting would imbalance balancing, such as balls, the imbalance compensation device formed in which they can move freely.
  • the housing and the lid are supported radially inwardly on a base ring of the imbalance compensation device.
  • the preferably solid base ring of the unbalance compensation device has Winkelgetriebenah an axial shoulder, with which this rests against rotation against a shoulder on the output spindle.
  • the VerFring is disc-shaped and has radially outside or radially inside at least one stop finger. Further, the at least one stop finger on two stop contours, which are arranged pointing in opposite circumferential directions of the Vercardrings.
  • the stop fingers and the stop cams are arranged either radially inward or radially outward, so that they can cooperate.
  • the base ring has a hollow-cylindrical extension which engages axially and radially completely under the axial bearing, so that the stability of the overall device is increased.
  • FIG. 1 is a schematic side view of a trained as angle grinder portable power tool according to the prior art
  • Fig. 2 is an axial section through an angle grinder, the unbalance compensation device and clamping device is designed according to a first embodiment of the invention
  • Fig. 3 is an axial section through an imbalance compensation device and a
  • Fig. 4 is an end view III of the balancing device
  • the angle grinding machine 30 shown in FIG. 1 has a construction known per se. It has a machine housing 31 in which an electric motor 32 is mounted. The drive shaft 33 of the electric motor drives a gear of an angular gear 34. This angle gear 34 in turn drives an output spindle 35, which is rotatably connected at its winkelgetriebefernen end with a holding member 37. A grinding wheel 27 abuts axially on this holding element 37 and is pressed axially against the holding element 37 by a nut 38. For this purpose, the nut 38 is screwed with its internal thread on an external thread 39 of the drive spindle 35. In the area of the driven holding element 37, an imbalance compensation device in the form of a ball balancing device 36 is fastened, the balancing weights (balls 4) of which are arranged to freely move in an interior of this device, compensating for an imbalance.
  • an imbalance compensation device in the form of a ball balancing device 36 is fastened, the balancing weights (balls 4) of which are
  • the motor tool according to the invention has very advantageous features.
  • the construction of the angle grinder just described up to the imbalance compensation device 16 is shown only schematically as a connection construction 23.
  • a driven spindle 28 driven by the angle gear 34 is visible, on which a combined tensioning and balancing device 1 is arranged.
  • the tensioning and balancing device 1 has a non-rotatably connected to the output shaft 28 balancing device 16, the structure will be explained below.
  • the output spindle 28 has at its free end an external thread 40 onto which a nut 26 is screwed as fastening means.
  • the thread 40 of the output spindle 28 is formed so that the operating drive movement of the output spindle 28, the mother 26 can not solve automatically.
  • a grinding wheel 27 as a working tool of the angle grinding machine, is pressed axially against a thrust bearing 12, which is ultimately supported on the output spindle 28 in the direction of the angle gear 34 via the housing 2 and the base ring 5 of the unbalance compensation device 16.
  • the thrust bearing 12 makes it possible, in the case of a non-rotatable locking of the output spindle 28 by turning the grinding wheel 27 by means of the hand of an operator of this machine opposite to the operating direction of rotation of the grinding wheel 27, and thus in the release direction of the nut 26, that the latter loosens so far, that it then easily and without a separate tool, but only with the manual power of the output spindle 28 can rotate.
  • the thus-released grinding wheel 27 can then be taken down from the output spindle 28 and replaced by a new grinding wheel.
  • the unbalance compensation device 16 has an annular housing 2 and an annular cover 3, which are held together by a base ring 5.
  • the base ring 5 is solid and the housing 2 and the lid 3 are formed as formed sheet metal components.
  • the housing 2 and the lid 3 are arranged radially relative to the base ring 5 on the outside of this and fixed Takes, and they form between them an interior 20 in which the balls 4 of the imbalance compensation device 16 are arranged freely movable.
  • at least one contact surface 15 or web for the balls 4 is formed on the radially outer side of the housing 2.
  • the lid 3 is designed to be axially displaceable relative to the housing 2, so that the imbalance compensating device 16 is variable in terms of its axial length for different sizes of, for example, angle grinders with different balancing weights.
  • the inner space 20 of the imbalance compensation device 16 is sealed by means of sealing means 9, 13, 14 which are formed for example as sealing rings and between the housing 2, the cover 3 and the base ring 5.
  • the sealing means can also be permanently connected to the components, for example in the form of a rubberized sheet.
  • the housing 2 of the imbalance compensation device 16 is seated with the radially inner circumferential surface 7 of a first hollow cylindrical section 17 on a windless section of the output spindle 28.
  • the base ring 5 lies with its radially inner circumferential surface 22 on the radial outer side of the first hollow cylindrical section 17 of the housing 2 non-positively and positively.
  • the base ring 5 is supported axially with an axially directed shoulder 21 on a shoulder 49 of the output spindle 28.
  • a non-rotatable connection between the base ring 5 and the output spindle 28 is given by positive locking, for example by two flats or axial teeth, which are formed in the axial overlap region of the paragraphs of base ring 5 and output shaft 28 at the same.
  • a non-positive or cohesive connection is possible.
  • the unbalance compensation device 16 On which the radially inner circumferential surface 22 of the axial extension 44 of the base ring 5 is clamped, is followed by a short radial section 42, which then merges into a second hollow cylindrical section 43.
  • the radially outer circumferential surface 6 of the second hollow cylindrical portion 43 of the housing 2 of the unbalance compensation device 16 serves as a centering seat for the grinding wheel 27, on which it sits loosely with little radial play and before tightening the nut 26.
  • the angle close to the end of the second hollow cylindrical portion 43 of the housing 2 is disposed radially above a hollow cylindrical axial extension 44 of the base ring 5, and then into a relatively long radial portion 45, which merges via an inclined portion 46 in a radially outer radial portion 47, to the Finally, a not further designated radially outer axial portion of the housing 2 is connected.
  • the just mentioned sections 43, 45 and 46 of the housing 2 of the imbalance compensation device 16 form an annular receiving space for grinding the wheel 27 open to arrange the components of the thrust bearing 12.
  • the trained as a needle bearing thrust bearing 12 comprises a winkelgetriebenahe running disc 18 with a track 10 for the cylindrical rolling elements 19 which roll off angular gear wheels on the raceway 1 1 of the running disk or the turntable 8.
  • the rolling elements 19 are held in a cage not shown in detail at a distance and the thrust bearing 12 is sealed radially outward and radially inward by means of suitable sealing means 48.
  • the twist ring 8 designed as an angular gear-distant bearing ring has a long disk-shaped radial section and a hollow-cylindrical axial section formed radially inward. At the free end of the hollow cylindrical axial section of the twisting ring 8 near the angle, distributed over the circumference and at a distance from one another fingers 29 are formed, which each have associated ring-segment-shaped openings 24 in the radial section 45 of the housing 2 of the balancing device 16 axially reach through.
  • the torsion ring 8 or the angular gear-distal bearing ring 8 of the axial bearing 12 is arranged so that it can rotate about an angle of rotation defined by the circumferential length of the ring-segment-shaped openings 24 relative to the housing 2 of the unbalance compensation device 16.
  • the fingers 29 are bent radially inward at their free end near the worm gear and arranged there in an annular groove 25 of the base ring 5. The bent-over ends of the fingers 29 end in an angle-driven manner radially in front of the hollow-cylindrical axial extension 44 of the base ring 5.
  • the person skilled in the art will make sure that the rotating ring 8 has a sufficiently large radial and axial distance to the housing 2 of the unbalance compensation device 16 and to the base ring 5. This ensures that the Vercardring 8 is easily rotatable.
  • the grinding wheel 27 For attachment of the grinding wheel 27 to the angle grinder 30, this is pushed with dissolved nut 26 with its central opening 41 on the free end of the output spindle 28. In this case, the grinding wheel 27 reaches the centering seat 6 of the second hollow cylindrical portion 43 of the housing 2 of the imbalance compensation device 16, where it 8 finds its axial stop on the winkelgetriebefernen side of the rotating disk. Subsequently, the nut 26 is screwed onto the thread 40 of the output spindle 28 to the grinding wheel 27 and finally tightened. In this tightening of the nut 26, the thrust washer 8 is taken so far in the direction of rotation of the nut 26 until the fingers 29 thereof in the associated annular segment-shaped openings 24 come to a stop.
  • the thrust bearing 12 directs the axial force generated by the nut 26 via the housing 2 and the base ring 5 of the unbalance compensation device 16 to the output spindle 28 on, so that the grinding wheel 27 is firmly clamped. A rotational movement of the thrust bearing 12 can no longer take place in the intended engine operation. Now the angle grinder 30 is ready.
  • the unbalance compensation device 16 is rotated by the output spindle 28 as well as the grinding wheel 27 in rotation.
  • An imbalance caused by inaccurate manufacture of the grinding wheel 27 and / or uneven wear thereof is automatically compensated by the imbalance compensator 16 by moving the balls 4 to a position within the interior space 20 in which the imbalance is compensated or at least greatly reduced becomes.
  • the output spindle 28 is initially blocked by means of a locking device, not shown, so that they can not rotate.
  • the nut 26 is not loosened by means of a tool, but rotated by rotating the grinding wheel 27 opposite to its usual in motor operation direction of rotation. In this case, a force acts on the outer circumference of the grinding wheel 27, which generates a torque over the radius of the grinding wheel remaining thereon.
  • FIGS. 3 and 4 show a second embodiment of a tensioning and balancing device 1 'designed according to the invention in an axial section and in an end view III. Components which are identical to those in Fig. 2, use the same reference numerals.
  • the tensioning and balancing device 1 has a housing 60 which radially and axially overlaps the associated cover 62. Accordingly, the lid 62 is clipped into the housing 60 and disposed axially displaceable no further. In addition, it can be seen that the dekel 62 is pushed radially inwardly on a half-axial section approximately Z-shaped base ring 50 frictionally.
  • the base ring 50 also has on its radially inner lateral surface 22 a small radial depression, in which the first hollow cylindrical portion 17 of the housing 60 is inserted and held in a form-fitting manner. At this hollow cylindrical portion 17 of the housing 60 is followed by a radially outwardly directed radial portion 42, followed by a second hollow cylindrical portion 43.
  • the two hollow cylindrical portions 17 and 43 form an annular groove, into which an axially elongated hollow cylindrical extension 51 of the base ring 50 is recorded.
  • the second hollow cylindrical section 43 is adjoined by a long radial section 45 which, as in the case of the tensioning and balancing device 1 according to FIG. 2, forms an annular groove of the housing 60 together with a then radially following oblique section 46 a sealed thrust bearing 16 'is received.
  • This thrust bearing 16 ' has on the housing side a running disk 18, a plurality of needle-shaped rolling elements 19 and a twist ring 61.
  • stop cam 71, 72 are arranged. With these stop cams 71, 72 two stop fingers 81, 82 cooperate, which are formed radially on the outside of the Verwindring.
  • the two stop fingers 81, 82 have semicircular stop contours 83, 84; 85, 86 into which the stop pins 71, 72 can engage.
  • the stop cams 71, 72 and the stop fingers 81, 82 can also be arranged or formed radially on the inside of the housing 60 and on the disk-shaped twist ring 61.
  • the stop cams 71, 72 and the stop fingers 81, 82 now act together so that a rotation of the twist ring 61 by a maximum of 180 ° is possible before the stop fingers 81, 82 start against the stop cam 71, 72 and the twist ring 61 so stopped becomes.
  • This comparatively small angle of rotation is sufficient to release a grinding wheel positioned on the centering seat 6 of the housing 60, together with the screw nut holding it, by means of the force of one hand alone.
  • the mother is further solved as described in connection with the embodiment of FIG. 2 and removed together with the grinding wheel from the drive spindle.
  • the base part 5, 50 may be integrally connected to the housing 2, 60 and these are formed together as a plastic injection molded part.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)

Abstract

L'invention concerne un outil motorisé portable (30) comprenant un boîtier de machine (31), un moteur d'entraînement (32), un arbre d'entraînement (33) du moteur, un engrenage angulaire (34) pouvant être entraîné par l'arbre d'entraînement (33) et une broche de sortie (35, 28) pouvant être entraînée par l'engrenage angulaire (34), un dispositif de compensation de déséquilibre (16, 16') étant relié solidaire en rotation à l'extrémité éloignée de l'engrenage angulaire de la broche de sortie (35, 28) et un moyen de travail (27) qui peut être entraîné par la broche de sortie (35, 28) pouvant être fixé à l'extrémité axiale de celle-ci. En vue d'un montage comparativement plus simple en termes de construction ainsi que d'une possibilité de remplacement plus simple et rapide du moyen de travail (27), il est prévu selon l'invention que le dispositif de compensation de déséquilibre (16, 16') présente un boîtier (2, 60) qui est disposé solidaire en rotation sur la broche de sortie (28), qu'un palier axial (12) soit disposé ou formé sur un côté du boîtier (2, 60) du dispositif de compensation de déséquilibre (16, 16') qui est éloigné de l'engrenage angulaire, que la broche de sortie (28) présente dans la région de son extrémité axiale un filetage (40) sur lequel un moyen de fixation (26) peut être vissé, que le moyen de travail (27) puisse être serré au moyen du moyen de fixation (26) sur une bague de torsion (8, 61) du palier axial (12) dans sa position de fonctionnement et que la bague de torsion (8, 61) soit disposée à rotation dans la direction périphérique par rapport au boîtier (2, 60) du dispositif de compensation de déséquilibre (16, 16').
PCT/EP2011/054113 2010-04-09 2011-03-18 Outil motorisé portable pourvu d'un dispositif de compensation de déséquilibre et d'un dispositif de serrage pour un moyen de travail à symétrie de rotation Ceased WO2011124458A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010014393.6 2010-04-09
DE201010014393 DE102010014393A1 (de) 2010-04-09 2010-04-09 Tragbares Motorwerkzeug mit einer Unwuchtausgleichsvorrichtung und einer Spannvorrichtung für ein rotationssymmetrisches Arbeitsmittel

Publications (1)

Publication Number Publication Date
WO2011124458A1 true WO2011124458A1 (fr) 2011-10-13

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PCT/EP2011/054113 Ceased WO2011124458A1 (fr) 2010-04-09 2011-03-18 Outil motorisé portable pourvu d'un dispositif de compensation de déséquilibre et d'un dispositif de serrage pour un moyen de travail à symétrie de rotation

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DE (1) DE102010014393A1 (fr)
WO (1) WO2011124458A1 (fr)

Cited By (1)

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DE102018101744A1 (de) 2018-01-26 2019-08-01 Schaeffler Technologies AG & Co. KG Axiallager

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DE102010043188A1 (de) * 2010-10-29 2012-05-03 Robert Bosch Gmbh Ablaufsicherungsvorrichtung
CN104858751A (zh) * 2015-06-08 2015-08-26 于浩 一种驱动式磨轮
DE102015225104A1 (de) 2015-12-14 2017-06-14 Schaeffler Technologies AG & Co. KG Schnellentspannflansch
CN112720258A (zh) * 2020-12-18 2021-04-30 象山县三环机电有限公司 一种方便使用的五金轴承外环加工打磨用固定装置

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EP0515230A2 (fr) * 1991-05-22 1992-11-25 Makita Corporation Dispositif de serrage pour un outil rotatif
EP1174537A2 (fr) * 2000-07-19 2002-01-23 INA Wälzlager Schaeffler oHG Dispositif d'équilibrage automatique
DE20102673U1 (de) * 2001-02-15 2002-03-28 Atlas Copco Electric Tools GmbH, 71364 Winnenden Spanneinrichtung für ein rotierendes Werkzeug
DE69707967T2 (de) 1996-04-30 2002-05-29 Canon K.K., Tokio/Tokyo Bildübertragungsmaterial für Tintenstrahldruck, Übertragungsdruckverfahren unter Verwendung desselben und somit gedrucktes Textilstück
EP2239550A2 (fr) * 2009-04-11 2010-10-13 Schaeffler Technologies AG & Co. KG Dispositif d'équilibrage pour un arbre, machine-outil manuelle dotée du dispositif d'équilibrage et procédé de fabrication du dispositif d'équilibrage

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8525316U1 (de) * 1985-09-05 1985-10-31 Keil, Georg, 6101 Groß-Bieberau Befestigungsflansch
EP0515230A2 (fr) * 1991-05-22 1992-11-25 Makita Corporation Dispositif de serrage pour un outil rotatif
DE69707967T2 (de) 1996-04-30 2002-05-29 Canon K.K., Tokio/Tokyo Bildübertragungsmaterial für Tintenstrahldruck, Übertragungsdruckverfahren unter Verwendung desselben und somit gedrucktes Textilstück
EP1174537A2 (fr) * 2000-07-19 2002-01-23 INA Wälzlager Schaeffler oHG Dispositif d'équilibrage automatique
DE20102673U1 (de) * 2001-02-15 2002-03-28 Atlas Copco Electric Tools GmbH, 71364 Winnenden Spanneinrichtung für ein rotierendes Werkzeug
EP2239550A2 (fr) * 2009-04-11 2010-10-13 Schaeffler Technologies AG & Co. KG Dispositif d'équilibrage pour un arbre, machine-outil manuelle dotée du dispositif d'équilibrage et procédé de fabrication du dispositif d'équilibrage
DE102009017269A1 (de) * 2009-04-11 2010-10-14 Schaeffler Technologies Gmbh & Co. Kg Auswuchtvorrichtung für eine Welle, Handwerkzeugmaschine mit der Auswuchtvorrichtung sowie Verfahren zur Fertigung der Auswuchtvorrichtung

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018101744A1 (de) 2018-01-26 2019-08-01 Schaeffler Technologies AG & Co. KG Axiallager

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