EP2359983B1 - Guidage de corps de laminage doté d'un corps de laminage échangeable séparément ainsi qu'un outil de laminage - Google Patents

Guidage de corps de laminage doté d'un corps de laminage échangeable séparément ainsi qu'un outil de laminage Download PDF

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Publication number
EP2359983B1
EP2359983B1 EP11000773.9A EP11000773A EP2359983B1 EP 2359983 B1 EP2359983 B1 EP 2359983B1 EP 11000773 A EP11000773 A EP 11000773A EP 2359983 B1 EP2359983 B1 EP 2359983B1
Authority
EP
European Patent Office
Prior art keywords
rolling
rolling body
body guide
reception
guide according
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.)
Active
Application number
EP11000773.9A
Other languages
German (de)
English (en)
Other versions
EP2359983A2 (fr
EP2359983A3 (fr
Inventor
Alfred Ostertag
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.)
Ecoroll AG Werkzeugtechnik
Original Assignee
Ecoroll AG Werkzeugtechnik
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 Ecoroll AG Werkzeugtechnik filed Critical Ecoroll AG Werkzeugtechnik
Priority to PL11000773T priority Critical patent/PL2359983T3/pl
Publication of EP2359983A2 publication Critical patent/EP2359983A2/fr
Publication of EP2359983A3 publication Critical patent/EP2359983A3/fr
Application granted granted Critical
Publication of EP2359983B1 publication Critical patent/EP2359983B1/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
    • B24B39/00—Burnishing machines or devices, i.e. requiring pressure members for compacting the surface zone; Accessories therefor
    • B24B39/003—Burnishing machines or devices, i.e. requiring pressure members for compacting the surface zone; Accessories therefor the working tool being composed of a plurality of working rolls or balls
    • 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
    • B24B39/00—Burnishing machines or devices, i.e. requiring pressure members for compacting the surface zone; Accessories therefor
    • B24B39/02—Burnishing machines or devices, i.e. requiring pressure members for compacting the surface zone; Accessories therefor designed for working internal surfaces of revolution
    • B24B39/023—Burnishing machines or devices, i.e. requiring pressure members for compacting the surface zone; Accessories therefor designed for working internal surfaces of revolution the working tool being composed of a plurality of working rolls or balls
    • 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
    • B24B39/00—Burnishing machines or devices, i.e. requiring pressure members for compacting the surface zone; Accessories therefor
    • B24B39/04—Burnishing machines or devices, i.e. requiring pressure members for compacting the surface zone; Accessories therefor designed for working external surfaces of revolution
    • B24B39/045—Burnishing machines or devices, i.e. requiring pressure members for compacting the surface zone; Accessories therefor designed for working external surfaces of revolution the working tool being composed of a plurality of working rolls or balls

Definitions

  • the invention relates to a rolling body guide and a rolling tool according to the preambles of claims 1 and 12.
  • a rolling body guide and a rolling tool according to the preambles of claims 1 and 12.
  • Such a device is from the EP 1 468 783 A1 known.
  • tubular bodies such as those used as brake cylinders in crane construction, are rolled on their inner or outer surface. But other axially symmetrical surfaces are also machined by rolling. Waves are an example.
  • roller body guides are ring-shaped and have rectangular or slightly trapezoidal recesses. In these recesses, a roller body is attached, which processes the surface to be rolled.
  • the rolling elements are thus positioned by the rolling element guide both in the axial and in the tangential respect.
  • roller bodies are preferably held by the roller body guides in axially parallel alignments or in a position rotated by a certain angle with respect to the axle parallelism.
  • the roller bodies are pressed against the surface of the tool to be processed by a support cone.
  • the support cone lies in the interior of the roller body guide, whereby the roller bodies are pressed outward against the surface of the bore by the support cones.
  • the roller guides are attached to carriers. These carriers are rotatably mounted with respect to the tool shaft and can therefore rotate. This can be done both with the speed of the tool shaft and with a different speed.
  • the ratio of the axial position of the roller bodies to the support cone determines an enveloping circle diameter of the roller body set. This diameter is adjustable, which means that the rolling process can be optimized.
  • the roller guide is axially displaced with respect to the support cone with a suitable adjusting device.
  • a peeling head is mentioned here as an example. This peeling head pre-machined the workpiece during rotation and when the entire tool is advanced, after which the inner or outer surface can then be rolled in a chipping.
  • enveloping circle diameters for inner surfaces between 38 and 400 mm are common. Workpieces with a diameter of over 750 mm can even be machined.
  • hydraulic cylinders for example.
  • the length of these hydraulic cylinders can often be more than 15 m.
  • Such hydraulic cylinders are used, for example, for mobile cranes.
  • Roll body guides, roll bodies and support cones are subject to considerable wear and must be replaced if damaged. Usually, a roller guide has to be replaced after machining a length of approx. 2,000 m, since otherwise the required tolerances can no longer be observed.
  • roller guide If a roller guide is to be replaced, the roller tool and the peeling head must first be removed, the peeling head being pulled off the shaft first.
  • the roller guide is then pulled off the shaft in its entirety.
  • the roller bodies are then removed from the recesses and the roller body guide replaced.
  • the rolling rollers are again inserted into a new rolling element guide and then the rolling element guide is attached to the shaft and finally the peeling head is also attached to the shaft. The actual operation is then continued.
  • the rolling bodies have to be replaced much more frequently.
  • the exchange takes place in principle as described above, the rolling elements being exchanged instead of the rolling element guide.
  • the roll body guide with the new roll bodies and the peeling head are then reassembled and the process is then continued.
  • the support cones can also be subject to wear. According to the state of the art, however, it is not possible to inspect these support cones during operation or in the assembled state. If an inspection of these support cones is indicated, the roller guide must also be dismantled as described above and the support cones exposed. Other methods for inspecting the support cones are also not possible because of the space available, since the rolling bodies are closely spaced from one another, so that, for example, inspection windows do not have to be attached.
  • Roll body guides are generally made from solid material. Due to the tubular design, there is a material loss of approx. 90% of the original full workpiece during machining.
  • roller guides are extremely expensive tools.
  • many roller body guides of different diameters must be in stock, since different roller body guides have to be kept ready for different workpiece diameters due to the given diameter of the roller body guides.
  • This variety of parts means that roller body guides are only produced in small numbers, which makes production even more expensive.
  • the invention is based on the object of improving the state of the art.
  • a roller body guide for receiving and moving roller bodies which are used for deep rolling or smooth rolling of an inner or outer surface of a tubular body are used, wherein the roller body guide has a support cone for pressing the roller body against the inner or outer surface and at least two defined detachable receiving sections, so that a modular structure of the roller body guide can be implemented, the receiving sections being axially, or perpendicular and axially removable to an axis of rotation, wherein the support cone has two cone sections that are detachably fastened to one another in a defined manner.
  • a “receiving section” is a receiving element with a guide for rolling bodies with a cylindrical shell that is not fully circumferential. Instead, the receptacle is divided into sections which describe a circumferential angle of at most 180 ° with respect to the central axis of rotation, with rolling bodies being able to be guided.
  • a roller body guide broken up into such sections embodies an aspect of the invention, according to which the roller body guide can be detachable from the side of the tool for rolling.
  • this type of roller body guide enables different roller diameters to be implemented with one and the same type of roller body guide.
  • the receiving sections can each be detachably attached in a defined manner to a receiving section carrier.
  • the receiving section carrier can have a disk-ring-shaped or disk-shaped body.
  • the receiving section carrier can have a bearing receptacle for receiving the receiving section.
  • the receiving sections are particularly easily accessible and quick to assemble or dismantle, since the bearing receptacle for the receptacle for the receiving sections are located on the circumference of the receiving section carrier.
  • the receiving sections can be removed perpendicularly and / or axially to an axis of rotation.
  • the assembly work when removing or attaching the roller body guide is independent of the working space, which would only be available to a limited extent from a possibly upstream peeling head.
  • a combined removal of a receiving section, which takes place vertically and / or axially, is the tilting or the backward or forward pulling off of the receiving section parallel to the axis of rotation.
  • the roller body guide can have a mounting of the receiving sections on the receiving section support that is fixed and / or non-displaceable.
  • the advantage here is that low demands can be made on the moment stability of the bearing, since the rolling bodies behave analogously to the rolling bearing rollers or rolling bearing needles when rolling between the support cone and the tool surface to be machined. It follows from this that only small tangential forces occur, which enables the rolling element guide to be constructed in sections at low cost. Since low forces occur at the bearing, the receiving sections can be fastened using a clamping mechanism and / or with dovetail profiles, which means that fastening is independent of screw connections.
  • the receiving sections are spaced apart with respect to a receiving circumference.
  • a “receiving circumference” is to be understood in particular as an envelope around the roller body guide, which is located in the area of the rolling body seats. This can result in gaps in the roller guide, which enables a visual inspection of a support cone. It should be particularly emphasized that this means that material can be dispensed with, as a result of which the roller body guide can be produced both more cost-effectively and with a lower weight.
  • a receiving section can have one or two, if possible three or more guides for the roller body or bodies.
  • the receiving sections can be designed to be narrow.
  • these can be arranged at different distances from one another, whereby a wide range of roll diameters to be implemented can be offered.
  • pipe diameters between 80 mm and 400 mm can be assembled as roll body guides and thus made available.
  • the receiving sections have a flat design and are equipped with two, three or more receptacles, the receptacles tapering towards an upper side of the receiving section and being designed for a roller body so that a tubular body can be solid or smoothly rolled.
  • roller body guide with spaced-apart receiving sections are advantageous and inventive designs in themselves.
  • all of the receiving sections can be designed identically and, in particular, can be arranged symmetrically around the receiving circumference. This also makes assembly easier, as a large variety of products is guaranteed and mix-up is ruled out. This applies analogously to the symmetrical arrangement of the receiving sections around a circumference of the roller guide.
  • a bearing roller or a bearing ball can be attached to a feed face of a roller body receptacle.
  • this bearing roller or bearing ball takes along the roller body arranged in the roller body guide along the roller axis of the roller body.
  • the force required for the advance is transmitted to the end face of the cylindrical body via a narrow face of the recess. If a bearing roller or bearing ball is missing, so the roller cage wears especially on this face of the cutout.
  • flat sheets can also be used. This is possible in particular if the receiving sections protrude as little as possible to the side of the recesses for the roller bodies. It is therefore proposed that this protrusion be a maximum of twelve, in particular less than ten millimeters. Chamfering can also occur here of the edges on the top, so that the side overhang can be increased.
  • the receiving section can be embodied as a continuous bore with a countersink, so that the receiving section can be fastened to the receiving section carrier by means of a countersunk screw.
  • the use of a retractable fastening prevents the receiving section from touching or cutting the circumference.
  • One aspect of the present invention is that tool parts or tool elements can be removed from the tool for rolling in such a way that, for example, the tool elements cannot be dismantled. This aspect can also be extended to the support cone.
  • a rolling tool with a roller body for machining an inner or outer surface of a tubular body and with a roller body guide for moving the roller body and with a support cone for adapting the roller body against the inner or outer surface can be provided, the support cone having two cone sections that can be detached in a defined manner wherein the roller body guide has two defined detachable receiving sections, so that a modular structure of the roller body guide can be implemented, the receiving sections being axially or perpendicularly and axially detachable to an axis of rotation.
  • a “cone section” is either directly connected to a further cone section or connected to it to a common carrier in such a way that a seamless connection takes place.
  • the support cone can be removed laterally, in particular axially and / or perpendicular to an axis of rotation, from the tool for rolling. This also ensures that a change is quick and easy and that there is no need to dismantle other elements such as a peeling head.
  • a circumferential transition between two adjacent cone sections can have an application, a bevel or a filled recess on two abutting edges.
  • the order as well as the filling can be padded where the cone sections adjoin one another along the circumference at the height of the roller bodies.
  • a soft application or a soft filling compound can be used. If there is a bevel, the roller can fall slightly into the interior of the receptacle, so that when rolling over the abutting edges, no major forces which damage the components occur.
  • the invention enables the replacement of a defective roller body guide and / or defective rollers of a tool for deep or smooth rolling an inner or outer surface of a tubular body with a roller body, a roller guide and a support cone, whereby the roller guide is first opened and / or separated and removed from the tool essentially perpendicularly and / or axially to the axis of rotation and that after replacement the roller guide is also attached essentially perpendicularly and / or axially to the axis of rotation of the tool and is closed and / or reconnected there.
  • the receiving sections can be designed to be essentially flat, which is an important prerequisite for the production of large quantities.
  • the receiving section carriers are mounted in a conventional manner on a tool shaft.
  • the mounting can be equipped with an adjusting device so that the receiving section carrier can be adjusted in a defined manner in the axial direction.
  • Such adjustment devices are known from the prior art and can be adopted accordingly.
  • a rolling tool 1 has a peeling head 2 and a downstream roller burnishing head 3. Both the peeling head 2 and the roller burnishing head 3 are fastened on a common shaft 4.
  • the peeling head 2 carries peeling knives 5 arranged on the circumference.
  • the peeling head 2 has a peeling head attachment 6 on the shaft 4.
  • the roller bodies 10 are assigned to the roller burnishing head 3 and are used to smooth the surface of a workpiece.
  • the roller burnishing head 3 has a support cone 11 which is arranged on the shaft and is in contact with the roller bodies 10 on a rolling surface 12.
  • the roller bodies 10 are held in position by a roller body guide which is divided into sections 13 (not numbered in its entirety).
  • the roller bodies lie in receptacles 15 which are tapered towards an upper side 16 of the receiving sections 13 to a clear width 17.
  • the clear width 17 is smaller than a diameter 18 of the roller bodies 10.
  • the receiving segments 13 are each assigned two receptacles 15 for the roller bodies 10.
  • the receptacles 15 are essentially rectangular and are approximately 110 mm long and approximately 45 mm wide.
  • the rolling element guide is parallel to one Rolling body axis 21 chamfered.
  • the edges are not chamfered.
  • the receiving section carrier 31 In order to mount the receiving section 13 on the receiving section carrier 31, two receptacles for screws 24 with countersunk heads 25 are provided in the fastening area.
  • the receiving sections 13 spaced from one another by gaps 30 are detachably attached to a disk-shaped receiving section carrier 31.
  • the receiving section carrier 31 is aligned flatly along a circumference 32 on receiving bearings 33 parallel to an axis of rotation 34 of the tool 1, so that the flat areas of the receiving sections 13 can be attached and fixed flat on the receiving bearing 33, whereby a parallel alignment to the axis 34 is already formed.
  • all of the receiving sections are of identical design and are placed uniformly around the circumference 32 of the receiving section carrier 31.
  • the receiving section carrier 31 is mounted rotatably with respect to the shaft 4 with the aid of the bearing 42.
  • the support cone 11 has a hub 43 near the center. This is secured against rotation with respect to the shaft 4. During operation, the support cone rotates with the shaft 4.
  • the receptacle with the roller bodies 10 rotates at a lower speed, which is determined by the rolling movement of the roller bodies 10 between the support cone and the inner wall of the pipe, not shown in the picture.
  • the receiving sections 13 are thus detachable from the receiving section carrier 31 independently of one another, as a result of which targeted replacements from defective receiving sections or rolled bodies. Furthermore, a viewing window for the support cone 11 is thus provided in a simple manner.
  • the frictional contact between the receiving sections 13 and the roller body 10 during a feed with a feed end 41 via a small steel ball (not shown) causes the receptacles 15 to be in operation when the tool 1 is advanced or withdrawn from the workpiece along a direction of movement 40 be spared as much as possible.
  • the rolling element guide shown here has an outside diameter of approximately 150 mm. Because of the receiving sections 13 and the modular design of the rolling element guide resulting therefrom, the diameter is only dependent on the circumferential diameter 32 of the segment carrier 31 and the number of receiving sections 13. Thus, in order to provide a larger or smaller rolling element guide, the receiving section carrier 31 can be exchanged for a receiving section carrier having a different diameter.
  • the chamfered edges 21 of the receiving sections 13 can, with the receiving section shown, implement a rolling element guide of approximately 100 mm which is very small in relation to its diameter.
  • any tool diameter 44 can be realized using the same receiving sections 13.
  • the distances 30 are varied.
  • the number of Receiving sections 13 and the rolling body 10 varies.
  • the tool has the greatest possible number of receiving sections.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Rolling Contact Bearings (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Bearings For Parts Moving Linearly (AREA)
  • Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)

Claims (13)

  1. Guidage de corps de laminage destiné à recevoir et à déplacer des corps de laminage (10) qui sont utilisés pour l'écrouissage ou le brunissage d'une surface intérieure ou extérieure d'un corps de forme tubulaire, le guidage de corps de laminage présentant un cône d'appui (11) pour la compression des corps de laminage (10) contre la surface intérieure ou extérieure, caractérisé par au moins deux sections réceptrices dissociables de manière définie (13), de sorte qu'une structure modulaire du guidage de corps de laminage est réalisable, les sections réceptrices (13) pouvant être enlevées axialement, ou perpendiculairement et axialement par rapport à un axe de rotation, le cône d'appui (11) présentant deux sections de cône fixées l'une contre l'autre en étant dissociables de manière définie.
  2. Guidage de corps de laminage selon la revendication 1, caractérisé en ce que les sections réceptrices (13) sont installées en étant dissociables de manière définie respectivement au niveau d'un support de sections réceptrices (31).
  3. Guidage de corps de laminage selon une des revendications précédentes, caractérisé en ce que le guidage de corps de laminage présente un appui fixe au couple et/ou fixe au déplacement des sections réceptrices (13) au niveau du support de sections réceptrices (31).
  4. Guidage de corps de laminage selon une des revendications précédentes, caractérisé en ce que le support de sections réceptrices (31) présente un corps en forme d'anneau discal ou de disque.
  5. Guidage de corps de laminage selon une des revendications précédentes, caractérisé en ce que le support de sections réceptrices (31) présente un support d'appui destiné à recevoir la section réceptrice (13).
  6. Guidage de corps de laminage selon une des revendications précédentes, caractérisé en ce que les sections réceptrices (13) sont espacées par rapport à une circonférence réceptrice.
  7. Guidage de corps de laminage selon une des revendications précédentes, caractérisé en ce qu'une section réceptrice (13) présente un, deux, trois ou plus de guidages pour le ou les corps de laminage (10).
  8. Guidage de corps de laminage selon une des revendications précédentes, caractérisé en ce que toutes les sections réceptrices (13) ont la même conformation et sont en particulier disposées symétriquement autour de la circonférence réceptrice.
  9. Guidage de corps de laminage selon une des revendications précédentes, caractérisé par un roulement ou une bille au niveau d'un front d'avance d'un support de corps de laminage.
  10. Guidage de corps de laminage selon une des revendications précédentes, caractérisé par une section réceptrice présentant un trou continu avec un enfoncement, de sorte que la section réceptrice (13) peut être fixée au moyen d'une vis à tête fraisée (24) au support de sections réceptrices (31).
  11. Guidage de corps de laminage selon la revendication 10, caractérisé par une section réceptrice présentant une forme de tôle plane, coudée ou courbée, les bords d'une face supérieure étant biseautés.
  12. Outil de laminage (1) comportant un corps de laminage (10) pour l'usinage d'une surface intérieure ou extérieure d'un corps de forme tubulaire, caractérisé par un guidage de corps de laminage selon une des revendications 1 à 11 pour l'avance du corps du laminage (10) et un cône d'appui (11) pour compresser le corps de laminage (10) contre la surface intérieure ou extérieure.
  13. Outil de laminage (1) selon la revendication 12, caractérisé en ce qu'une transition circonférentielle entre deux sections de cône voisines présente une application, un biseautage ou un évidement rempli au niveau de deux bords de butée.
EP11000773.9A 2010-02-19 2011-02-01 Guidage de corps de laminage doté d'un corps de laminage échangeable séparément ainsi qu'un outil de laminage Active EP2359983B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL11000773T PL2359983T3 (pl) 2010-02-19 2011-02-01 Prowadnica elementów tocznych z osobno wymienialnymi elementami tocznymi oraz narzędzie do dogniatania

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102010008693A DE102010008693A1 (de) 2010-02-19 2010-02-19 Walzkörperführung mit separat austauschbarem Walzkörper sowie Aufnahmeabschnitt und Walzwerkzeug mit zugehörigem Austauschverfahren

Publications (3)

Publication Number Publication Date
EP2359983A2 EP2359983A2 (fr) 2011-08-24
EP2359983A3 EP2359983A3 (fr) 2016-04-06
EP2359983B1 true EP2359983B1 (fr) 2021-05-26

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Application Number Title Priority Date Filing Date
EP11000773.9A Active EP2359983B1 (fr) 2010-02-19 2011-02-01 Guidage de corps de laminage doté d'un corps de laminage échangeable séparément ainsi qu'un outil de laminage

Country Status (5)

Country Link
US (1) US9120198B2 (fr)
EP (1) EP2359983B1 (fr)
CN (1) CN102189108B (fr)
DE (1) DE102010008693A1 (fr)
PL (1) PL2359983T3 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5291695B2 (ja) 2010-12-14 2013-09-18 株式会社スギノマシン 複合加工工具
DE102014201869B4 (de) * 2014-02-03 2015-10-29 Ecoroll Ag Werkzeugtechnik Aufbohr-Schäl-Glattwalzwerkzeug
DE102016005047A1 (de) * 2016-04-26 2017-10-26 Karlheinz Hahn Rollierwerkzeug
CN108763787A (zh) * 2018-05-31 2018-11-06 山东农业大学 可更改的三维工序模型构建方法
CN110968831B (zh) * 2019-12-18 2023-05-02 太原恒信科达重工成套设备有限公司 一种超大口径定减径机轧辊基础转速确定方法

Citations (1)

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Publication number Priority date Publication date Assignee Title
WO2003090972A1 (fr) * 2002-04-26 2003-11-06 Hegenscheidt-Mfd Gmbh & Co. Kg Tete de rouleau de cylindrage d'un outil de cylindrage

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US1364252A (en) * 1918-12-14 1921-01-04 Tuyl Van Roller-bearing
US2026802A (en) * 1935-01-19 1936-01-07 Timken Roller Bearing Co Bearing cage
DE1264167B (de) * 1964-05-30 1968-03-21 Schaeffler Ohg Industriewerk Radialkaefig fuer zylindrische Waelzkoerper
US5651438A (en) * 1995-06-15 1997-07-29 Borg-Warner Automotive, Inc. Roller clutch having interlocking cage segments
US6871735B2 (en) * 2001-06-26 2005-03-29 Ntn Corporation Reverse-input shutoff clutch and rotation drive device
US7093471B2 (en) * 2003-04-18 2006-08-22 Lonero Vincent J Split cage for a deep rolling mechanism
DE102004010468B3 (de) * 2004-03-01 2005-08-11 Hegenscheidt-Mfd Gmbh & Co. Kg Geteilter Festwalzrollenkopf
DE102006013430A1 (de) * 2006-03-23 2007-09-27 Schaeffler Kg Lagerkäfig
DE102007009811A1 (de) * 2007-02-28 2008-09-04 Schaeffler Kg Mehrteiliger Axialkäfig für ein Großwälzlager

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003090972A1 (fr) * 2002-04-26 2003-11-06 Hegenscheidt-Mfd Gmbh & Co. Kg Tete de rouleau de cylindrage d'un outil de cylindrage

Also Published As

Publication number Publication date
EP2359983A2 (fr) 2011-08-24
CN102189108A (zh) 2011-09-21
CN102189108B (zh) 2016-06-29
PL2359983T3 (pl) 2021-11-22
EP2359983A3 (fr) 2016-04-06
DE102010008693A1 (de) 2011-08-25
US9120198B2 (en) 2015-09-01
US20110206304A1 (en) 2011-08-25

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