EP1181132A1 - Degrossissage et finissage a la meule d'un vilebrequin a l'aide d'un seul dispositif de fixation - Google Patents

Degrossissage et finissage a la meule d'un vilebrequin a l'aide d'un seul dispositif de fixation

Info

Publication number
EP1181132A1
EP1181132A1 EP00927018A EP00927018A EP1181132A1 EP 1181132 A1 EP1181132 A1 EP 1181132A1 EP 00927018 A EP00927018 A EP 00927018A EP 00927018 A EP00927018 A EP 00927018A EP 1181132 A1 EP1181132 A1 EP 1181132A1
Authority
EP
European Patent Office
Prior art keywords
grinding
crankshaft
ground
sec
bearings
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.)
Granted
Application number
EP00927018A
Other languages
German (de)
English (en)
Other versions
EP1181132B1 (fr
Inventor
Erwin Junker
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.)
Erwin Junker Maschinenfabrik GmbH
Original Assignee
Erwin Junker Maschinenfabrik GmbH
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7906535&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1181132(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Erwin Junker Maschinenfabrik GmbH filed Critical Erwin Junker Maschinenfabrik GmbH
Publication of EP1181132A1 publication Critical patent/EP1181132A1/fr
Application granted granted Critical
Publication of EP1181132B1 publication Critical patent/EP1181132B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
    • B24B5/36—Single-purpose machines or devices
    • B24B5/42—Single-purpose machines or devices for grinding crankshafts or crankpins

Definitions

  • the present invention relates to a method for grinding a centrally clamped crankshaft and a crankshaft grinding machine for carrying out the method.
  • crankshafts are ground in known processes in several stages on different machines in several operations on grinding machines specially equipped for this purpose. Another method and a corresponding device are known from DE 43 27 807. There, a crankshaft with an axial pull is clamped between pick-up tips of a workpiece spindle and tailstock of a grinding machine. All bearings, pin bearings, flanges, pins and end faces of the crankshaft are finish-ground in this setting. At least two appropriately contoured grinding wheels are used.
  • crankshaft is manufactured in several processing stages on several grinding machines or is finished ground in one setting.
  • the object of the invention is to develop a method for grinding crankshafts and a device with which dimensional, shape and machining tolerances of the crankshaft are improved and the machining time is reduced.
  • This object is achieved with a method for grinding a centrally clamped crankshaft with the features of claim 1, with a crankshaft grinding machine for carrying out the method with the features of claim 12 and with a crankshaft made of high-alloy steel or cast material with the features of claim 19 .
  • a method according to the invention for grinding a centrically clamped crankshaft provides that its pin bearings and main bearings are ground in one setting in such a way that at least the main bearings are first pre-ground and then the pin bearings and then the main bearings are finish-ground. After, for example, machining preprocessing becomes
  • the pin bearings are also pre-ground.
  • the pre-grinding of the pin bearings is advantageously carried out after the pre-grinding of the main bearings. Since bearing points of different crankshafts usually have different shapes, such as with lateral radii or recesses, by pre-grinding the crankshaft, as shown above, it is possible to avoid the distortion in the finished product that results from stresses released in the crankshaft. When Like finish grinding, the face sides can also be sanded without the desired tolerance values being exceeded after finish grinding.
  • crankshafts from tempered steel has proven to be a particularly preferred area of application for the method and the crankshaft grinding machine.
  • One embodiment of the method provides that the pre-grinding and the finish grinding take place with a single grinding wheel. Another method provides that the pre-grinding and the finish grinding each take place with a grinding wheel. On the other hand, the use of a grinding wheel for pre-grinding and a grinding wheel for finish grinding enables different grinding wheel specifications and dimensions to be used for the different machining processes.
  • a further embodiment of the method provides that the main bearings and the pin bearings are pre-ground and finished with one grinding wheel each. Pin bearings such as main bearings can have different machining tolerances. By appropriately assigning a grinding wheel to a type of crankshaft bearing to be machined, it is possible to match the grinding wheel specification accordingly.
  • CBN grinding wheel it is advantageous to use a CBN grinding wheel. On the one hand, this allows high cutting speeds, on the other hand, this disc shows only little wear. The service life of the grinding wheel and thus the sum of the possible intervention time increases considerably. Furthermore, the CBN grinding wheel allows the highest tolerance specifications to be met to be able to. Instead of CBN grinding wheels, corundum grinding wheels can also be used.
  • Cutting speed between 40 m / sec and 140 m / sec preferably between 80 m / sec to 120 m sec and in the case of galvanic CBN disks between 80 m / sec and 200 m / sec, preferably between 100 m / sec to 140 m / sec.
  • corundum grinding wheels can be used in a range of preferably 35 m / sec to 100 m / sec, in particular 45 m / sec to 70 m / sec. These values can vary slightly upwards as well as downwards, for example depending on the dimensions of the crankshaft and the geometries to be machined on it, and on the exact composition of the
  • At least one main bearing is ground as a steady rest to suppress vibrations and to support the crankshaft against bending by the machining forces when pre-grinding the main bearings. In this way, the area of the crankshaft that is not supported is shortened. Furthermore, the use of the steady rest prevents bending due to the weight of the crankshaft in connection with the rotation during processing.
  • crankshafts can be manufactured in one piece with high accuracy requirements using the above method, as are required, for example, for car and truck engines with a length of over 300 millimeters.
  • the above method is also suitable for the production of crankshafts for small engines, for example, which have a length of 100 millimeters and more.
  • the invention provides a crankshaft grinding machine for performing the method according to one of claims 1 to 11 with a tailstock and a workpiece headstock.
  • a crankshaft with main bearings and lifting bearings can be clamped centrally between the tailstock and the workpiece headstock.
  • the crankshaft grinding machine has at least one grinding headstock and at least one grinding wheel.
  • the grinding machine forms a machining center, by means of which at least the main bearings of the crankshaft can be pre-ground in a single clamping and then their pin bearings and then their main bearings can be finish-ground with the at least one grinding wheel.
  • crankshaft grinding machine is therefore a machining center because the crankshaft does not have to be removed and clamped in another machine for pre-grinding and finish grinding.
  • the crankshaft grinding machine provides the tools necessary for pre-grinding and finish-grinding. Additional work equipment that is separate from the machining center is not required.
  • a CBN wheel is preferably used as the grinding wheel. This allows short processing times with high quality accuracy.
  • crankshaft grinding machine provides that a first and a second grinding wheel are arranged on the grinding headstock, the crankshaft being pre-grindable by means of the first grinding wheel and finish-grindable by means of the second grinding wheel.
  • the crankshaft grinding machine allows, on the one hand, different grinding wheels to be used and, on the other hand, the crankshaft can also be produced with different cutting and travel speeds adapted to the respective grinding wheel.
  • the crankshaft grinding machine is preferably designed in such a way that the main bearings can be pre-and finish-grinded by means of the first grinding wheel and the pin bearings can be pre-and and grinded using the second grinding wheel are finish-grindable. In this way, depending on the required tolerance range, the grinding wheel used and its machining process can be precisely coordinated. This makes it possible to achieve a long service life for the grinding wheels used and high processing quality.
  • crankshaft grinding machine provides that at least two headstocks are provided, each with at least one grinding wheel, the crankshaft being pre-and finish-grindable with both grinding wheels.
  • a further development of this embodiment provides that two headstocks are arranged on one side of the grinding machine and a further headstock on the side of the grinding machine opposite this side and each carry at least one grinding wheel. This allows simultaneous engagement from different sides on the crankshaft. This can further reduce the processing time.
  • the crankshaft grinding machine can also be expanded with additional headstocks.
  • the machining center has a modular structure so that it can be adapted to various crankshafts
  • torsion can occur over the length of one or more grinding wheels on the crankshaft. This leads to a positional deviation of parts of the crankshafts during the machining, which reduces the quality of the machining. It has been found that these torsional forces, which are small but have a significant effect on the finished dimension to be achieved, can be compensated for by the fact that the tailstock has a drive which is electrically coupled to a drive of the workpiece headstock so that both drives run synchronously. Cutting forces occurring on the crankshaft are thus absorbed and torsion over the length of the crankshaft is avoided.
  • crankshaft made of cast iron or high-alloy steel during manufacture in the machining center, in which at least the main bearings are pre-ground and then the pin bearings and the main bearings are finish-ground in a single setting.
  • This can be determined in particular with a length of at least 100 millimeters, in particular at least 300 millimeters, of the crankshaft on the basis of the tolerance grades achieved.
  • a crankshaft that has been manufactured in this way has in particular maximum concentricity tolerances for the main bearings, which are 0.01 mm and less.
  • Pre-grinding of the unfinished part to an intermediate dimension for finish grinding preferably with an electroplated CBN grinding wheel and 2.
  • Pre-grinding after previous machining on the bearing to an intermediate dimension and subsequent finish grinding preferably using a ceramic bonded CBN grinding wheel.
  • pre-grinding as described under point 2 is used.
  • pre-grinding as shown under point 1 can also be achieved by different combinations of the grinding wheel and grinding wheel arrangements.
  • the crankshaft is ground in accordance with the method described above.
  • FIG. 2 shows a main bearing with side recesses according to section Y from FIG. 1,
  • FIG. 3 shows a pin bearing with lateral radii and ground flanks according to section W from FIG. 1,
  • FIG. 6 is a simplified top view of a first crankshaft grinding machine
  • Fig. 7 shows an embodiment of a grinding headstock
  • Fig. 8 is a simplified plan view of a second crankshaft grinding machine.
  • FIG. 1 shows an illustration of a clamped crankshaft 1. This is clamped in a chuck 2 which is flanged onto a workpiece spindle 3 of a workpiece headstock (not shown in more detail). In the center of the chuck 2 there is a first tip 4 on which the crankshaft 1 is centered. Radial entrainment of the crankshaft 1 takes place by means of clamping jaws 5 of the chuck 2, which clamp on an outer circumference of a flange 6 of the crankshaft 1. Another shaft end of the crankshaft 1 is supported by a second tip 7 of a tailstock 9. The second tip 7 of the tailstock 9 is placed on an axially displaceable quill 8.
  • the tailstock 9 can also, as is not shown here, be equipped with a further chuck as on the workpiece headstock instead of a second tip 7.
  • the jaws of this chuck then clamp on one Pin end 21 of the crankshaft 1.
  • the crankshaft 1 can be clamped in under slight pressure, without pressure or under axial tension.
  • the crankshaft 1 is driven according to the embodiment shown in FIG. 1 in such a way that the crankshaft 1 is driven centrally around a main bearing 11 by the workpiece spindle 3 with the chuck 2.
  • the drive is designed as a CNC axis, cf. Arrow cl.
  • the tailstock 9 can also be equipped with a driven tailstock quill (CNC axis C2) instead of only a second tip 7.
  • a grinding spindle 30 with a grinding wheel 31 is shown.
  • the grinding spindle 30 is received by a grinding headstock housing, not shown, which can be moved in the direction of the axis X by means of a CNC axis.
  • the workpiece headstock with the chuck 2 and the tailstock 9 are mounted on a grinding table, not shown, which can be moved in the direction of a Z axis.
  • the crankshaft 1 is clamped in such a way that its central axis 13 is exactly aligned with the central axes of the workpiece spindle 3 and the tailstock quill 8.
  • the crankshaft 1 is supported, for example, by means of a steady rest 10, which is constructed on the grinding table.
  • the steady rest 10 can be attached to a predetermined main bearing 11 in the axial direction. Grinding of the crankshaft 1 can be carried out with different variants of grinding spindle arrangements, so that different crankshaft grinding machine construction variants are possible. Some variants emerge from the following FIGS. 6 to 8.
  • the grinding wheel 31 engages with the crankshaft 1.
  • the crankshaft 1 Particularly in the case of high-alloy steel, for example with a corresponding proportion of chromium, molybdenum and vanadium or also with a corresponding casting quality, for example GGG 60/70/80, there is a risk that the crankshaft 1 will be distorted over its length due to the machining. Deviations of up to 0.4 mm have been measured. Accordingly, it has not been possible to meet the high quality requirements for high-quality materials that are extremely susceptible to distortion during processing to be able to comply with specified tolerances. Because now at least
  • the concentricity tolerance is preferably measured between the first and the last main bearing. If there are only two main bearings, the concentricity tolerance is preferably determined by measuring between the two peaks. Maintaining a maximum concentricity tolerance is particularly important because, due to the
  • pin bearings in relation to the lifting height can possibly be larger, since these only determine the position of the top dead center and bottom dead center in the motor.
  • crankshaft When selecting the material of the crankshaft, it should also be noted that it depends, among other things, on the hardening process of the crankshaft whether the pre-grinding and finishing of the pin bearings is carried out in a single step. It should be noted that lower stresses and resulting distortion occur, especially in cast iron shafts.
  • FIG. 2 shows a main bearing 11 with side recesses in accordance with a section Y from FIG. 1.
  • the main bearing 11 of the crankshaft 1 shows how the method or the crankshaft grinding machine can also be used to achieve contours that are already known.
  • the side punctures stem from the machining preparation.
  • a raw dimension of the crankshaft 1 is represented by a dash-dotted line 203.
  • pre-grinding with a grinding wheel 104, which has an abrasive coating 205, pre-grinding is carried out to a pre-dimension 202.
  • the pre-dimension 202 is larger in diameter than the finished dimension to be achieved. This is drawn with a contour 201 for the main bearing 11.
  • the two plane sides 206 of the main bearing 11 of the crankshaft 1 are not grinded in this application example.
  • FIG. 3 shows a pin bearing 12 with lateral radii and ground flanks according to section W from FIG. 1.
  • the pin bearing 12 has lateral radii which, like a low flat shoulder, are pre-ground. When finishing grinding, the radius is no longer completely grinded because it does not lie in the bearing shell of the engine housing when the crankshaft 1 is installed.
  • the bearings shown in FIGS. 2 and 3 can also be carried out in reverse for a pin bearing or main bearing.
  • FIG. 4 shows a cross section of a bearing point of the crankshaft 1. This is preferably a pin bearing, the bearing point being completely ground with the lateral radii and the associated plane sides.
  • a dash-dotted center line represents a surface line of a cylinder.
  • the bearing running surface has a spherical shape, indicated by the dashed line.
  • the solid line shows an opposite shape of the bearing tread. In its maximum distance from the center line of the surface line, this also has only a few micrometers.
  • Such a convex or concave shape can be produced by appropriately dressing the grinding wheel used in accordance with the method described above.
  • FIG. 6 shows a simplified top view of a first crankshaft grinding machine 43.
  • a workpiece spindle head 40 and the tailstock 9 are mounted on a machine bed on a grinding table (not shown).
  • the grinding table can be moved in the manner known per se in the direction of the CNC axis z.
  • a grinding headstock 42 serves to receive a grinding spindle 30 which receives a grinding wheel.
  • the grinding headstock 42 is arranged on a guide which can be moved in the direction of the x-axis.
  • the CNC axis directions X and Z are preferably arranged at right angles to one another.
  • the machining center shown enables a crankshaft 1, once clamped, to be pre-ground and finished according to the method described above, without the need for reclamping. This enables compliance with even small tolerance areas.
  • the grinding headstock 36 has a first grinding spindle I and a second grinding spindle II. These are accommodated in a grinding headstock housing and can thus be pivoted in a horizontal direction. On the one hand, this allows either the first grinding spindle I or the second grinding spindle II to be used. On the other hand, this also allows a first spindle 32 to be designed differently from a second spindle 34. For example, different speed ranges can be specified in terms of design. Furthermore, the grinding headstock 36 allows different grinding wheels to be used. For example, a first grinding wheel 33 can be a corundum wheel, while a second grinding wheel 35 is a CBN wheel.
  • the construction of the Grinding headstock 36 that different diameters of grinding wheels are used on a grinding headstock.
  • the grinding headstock 36 also allows one grinding wheel to be in engagement with the crankshaft while the other grinding wheel is free.
  • the grinding headstock 36 can be pivoted horizontally.
  • the grinding wheels can also differ in terms of their quality to be achieved. One can be a grinding wheel while the other is a finishing wheel.
  • FIG. 8 shows a second crankshaft grinding machine 44.
  • This realizes a machine concept in which the machining center has two grinding headstocks.
  • Each grinding headstock has independent CNC axes X and Z. This means that the respective grinding wheel of one grinding headstock can be used independently of the other at a different bearing point of the crankshaft according to a CNC program.
  • This machine concept can be expanded with additional grinding headstocks. For space utilization in particular, it is advantageous if an additional grinding headstock is arranged opposite to the two grinding headstocks, for example, opposite each other. Such an arrangement with simultaneous engagement has the advantage that opposing forces on the crankshaft cancel each other out.
  • the spatial design of the machining center can also be used so that a grinding headstock on one side of the crankshaft is directly opposite a grinding headstock on an opposite side of the crankshaft. Reference list

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)

Abstract

Procédé de meulage d'un vilebrequin (1) fixé de manière centré, meuleuse (43) à vilebrequins destinée à la mise en oeuvre dudit procédé, ainsi que vilebrequin (1) en acier ou fonte fortement alliés. Selon ledit procédé, les paliers de levée (12) et les paliers principaux (11) du vilebrequin (1) sont meulés à l'aide d'un seul dispositif de fixation de manière telle que les paliers principaux (11) au moins sont d'abord dégrossis, puis les paliers de levée (12) et ensuite les paliers principaux (11) sont finis. Ladite meuleuse constitue un centre d'usinage à l'aide duquel le dégrossissage et le finissage ne nécessitent qu'une seule étape de fixation.
EP00927018A 1999-04-30 2000-04-20 Degrossissage et finissage a la meule d'un vilebrequin a l'aide d'un seul dispositif de fixation Expired - Lifetime EP1181132B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19919893 1999-04-30
DE19919893A DE19919893A1 (de) 1999-04-30 1999-04-30 Vor- und Fertigschleifen einer Kurbelwelle in einer Aufspannung
PCT/EP2000/003633 WO2000066323A1 (fr) 1999-04-30 2000-04-20 Degrossissage et finissage a la meule d'un vilebrequin a l'aide d'un seul dispositif de fixation

Publications (2)

Publication Number Publication Date
EP1181132A1 true EP1181132A1 (fr) 2002-02-27
EP1181132B1 EP1181132B1 (fr) 2003-06-11

Family

ID=7906535

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00927018A Expired - Lifetime EP1181132B1 (fr) 1999-04-30 2000-04-20 Degrossissage et finissage a la meule d'un vilebrequin a l'aide d'un seul dispositif de fixation

Country Status (10)

Country Link
US (1) US6878043B1 (fr)
EP (1) EP1181132B1 (fr)
JP (1) JP2002542955A (fr)
CN (1) CN1157276C (fr)
AU (1) AU4554600A (fr)
CZ (1) CZ302536B6 (fr)
DE (2) DE19919893A1 (fr)
ES (1) ES2198307T3 (fr)
RU (1) RU2240218C2 (fr)
WO (1) WO2000066323A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8506357B2 (en) 2008-02-01 2013-08-13 Erwin Junker Maschinenfabrik Gmbh Method for grinding the main and rod bearings of a crankshaft by external cylindrical grinding and apparatus for carrying out the method
US9108287B2 (en) 2009-11-03 2015-08-18 Erwin Junker Maschinenfabrik Gmbh Method for grinding the main and rod bearing of a crankshaft by external cylindrical grinding

Families Citing this family (49)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1224057B1 (fr) * 1999-10-27 2003-07-09 Unova U.K. Limited Procede de rectification de maneton
DE10144644B4 (de) * 2001-09-11 2006-07-13 Bsh Holice A.S. Verfahren und Vorrichtung zum Schleifen von zentrischen Lagerstellen von Kurbelwellen
DE10200774A1 (de) * 2002-01-10 2003-07-31 Hegenscheidt Mfd Gmbh & Co Kg Werkzeugmaschine zum Bearbeiten des Passlagers von Kurbelwellen
DE10235957B4 (de) 2002-08-06 2005-01-20 Hegenscheidt-Mfd Gmbh & Co. Kg Verfahren zum Fertigbearbeiten von Kurbelwellen für Kraftfahrzeugmotoren
DE10302685A1 (de) * 2003-01-15 2004-08-05 Muhr Und Bender Kg Vorrichtung und Verfahren zum Schleifen von Nockenwellen
DE10308292B4 (de) * 2003-02-26 2007-08-09 Erwin Junker Maschinenfabrik Gmbh Verfahren zum Rundschleifen bei der Herstellung von Werkzeugen aus Hartmetall und Rundschleifmaschine zum Schleifen von zylindrischen Ausgangskörpern bei der Herstellung von Werkzeugen aus Hartmetall
DE102004013192B3 (de) * 2004-03-17 2005-08-25 Erwin Junker Maschinenfabrik Gmbh Verfahren und Vorrichtung zum Schleifen von Lagerstellen und Nocken einer gebauten Nockenwelle
JP4940729B2 (ja) * 2006-03-31 2012-05-30 株式会社ジェイテクト 工作物の研削方法及び研削装置
CN100411814C (zh) * 2006-07-04 2008-08-20 南京航空航天大学 微合金钢曲轴轴颈与圆角磨削强化一体工艺
CN100591477C (zh) * 2006-12-22 2010-02-24 潘旭华 一种曲轴磨削加工方法
DE102007026562B4 (de) * 2007-06-08 2010-08-26 Erwin Junker Maschinenfabrik Gmbh Schleifzentrum und Verfahren zum gleichzeitigen Schleifen mehrerer Lager von Kurbelwellen
CN101332576B (zh) * 2007-06-25 2010-05-19 中国有色集团沈阳冶金机械有限公司 曲轴装卡卸荷装置
DE102007034706B3 (de) 2007-07-25 2008-09-11 Erwin Junker Maschinenfabrik Gmbh Schleifzentrum und Verfahren zum gleichzeitigen Schleifen mehrerer Lager und endseitigen Flächen von Kurbelwellen
JP5125406B2 (ja) * 2007-10-24 2013-01-23 株式会社ジェイテクト 旋回装置およびそれを備えた円筒研削盤
JP5167920B2 (ja) * 2008-04-11 2013-03-21 株式会社ジェイテクト 研削盤及び研削方法
DE102008045842B4 (de) * 2008-09-05 2012-07-12 Emag Holding Gmbh Verfahren und Schleifmaschine zum Schleifen lang gestreckter Werkstücke
DE102009021803B4 (de) * 2009-05-18 2012-07-12 Emag Holding Gmbh Verfahren und Vorrichtung zur Bearbeitung von Kurbelwellen
DE102009024209B4 (de) 2009-06-08 2012-12-06 Erwin Junker Maschinenfabrik Gmbh Verfahren und vorrichtung zum mehrlagenschleifen von werkstücken
DE102010008694A1 (de) * 2009-07-21 2011-02-10 Ferroll Gmbh Vorrichtung zum Walzen eines exzentrischen Rotationsbauteils, Walzmaschine und Verfahren sowie exzentrisches Rotationsbauteil
DE102009038817B4 (de) * 2009-08-25 2013-06-06 Emag Holding Gmbh Verfahren und Schleifmaschine zum Schleifen von zylindrischen und gekrümmten Konturen
JP5505099B2 (ja) * 2010-06-04 2014-05-28 株式会社ジェイテクト 複合研削盤による研削方法
DE102011076809B4 (de) * 2011-05-17 2014-06-26 Erwin Junker Maschinenfabrik Gmbh Verfahren zur komplettbearbeitung zumindest von unbearbeiteten zapfen und planschultern geschmiedeter oder gegossener rohlinge einer kurbelwelle sowie zur durchführung des verfahrens vorgesehene fertigungslinie
DE102011110117B4 (de) 2011-08-15 2015-01-08 Emag Holding Gmbh Verfahren und Schleifmaschine zum Schleifen exzentrischer Werkstücke
DE102011089654B4 (de) * 2011-12-22 2015-01-29 Erwin Junker Maschinenfabrik Gmbh Verfahren zur drehbearbeitung von planschultern an den wangen einer kurbelwelle, verwendung des verfahrens zur komplettbearbeitung von kurbelwellenrohlingen sowie kurbelwellen-drehmaschine zur drehbearbeitung der planschultern
CN102773800B (zh) * 2012-08-15 2014-11-12 潘旭华 一种提高曲轴连杆颈随动磨削的圆度精度的方法
CN103624642A (zh) * 2012-12-03 2014-03-12 溧阳市瑞威中速柴油机配件有限公司 浮动磨削曲轴主轴颈的加工方法
EP2769806B1 (fr) * 2013-02-21 2014-12-17 Supfina Grieshaber GmbH & Co. KG Dispositif et système de finition de surface d'une pièce à usiner en forme de vilebrequin ou d'arbre à came
CN103273407A (zh) * 2013-05-13 2013-09-04 东华大学 一种碗型cbn砂轮端面磨削组件
CN103317400B (zh) * 2013-06-28 2015-07-15 侯马市东鑫机械铸造有限公司 发动机曲轴自动研磨抛光机
US9321140B2 (en) 2013-08-01 2016-04-26 Ford Global Technologies, Llc System for machine grinding a crankshaft
JP2015044249A (ja) * 2013-08-27 2015-03-12 コマツＮｔｃ株式会社 バランス測定機能付ターニング＆ブローチングマシン
CN103707145B (zh) * 2013-12-31 2015-12-16 重庆歇马机械曲轴有限公司 曲轴的主轴颈打磨用机床
DE102014204807B4 (de) * 2014-03-14 2016-12-15 Erwin Junker Grinding Technology A.S. Verfahren und Vorrichtung zum Schleifen von Großkurbelwellen
DE102014211938A1 (de) 2014-06-23 2015-12-24 Nagel Maschinen- Und Werkzeugfabrik Gmbh Finish-Werkzeug
DE102014211937C5 (de) * 2014-06-23 2016-06-02 Nagel Maschinen- Und Werkzeugfabrik Gmbh Verfahren und Vorrichtung zur Finish-Bearbeitung von Umfangsflächen rotationssymmetrischer Werkstückabschnitte
CN105415175A (zh) * 2014-09-04 2016-03-23 青岛淄柴博洋柴油机股份有限公司 曲轴磨床随动中心架
DE102014225295A1 (de) * 2014-12-09 2016-06-09 Erwin Junker Maschinenfabrik Gmbh Mess-lünette zum abstützen und vermessen von zentrischen werkstückbereichen, schleifmaschine mit einer derartigen mess-lünette sowie verfahren zum abstützen und vermessen von zentrischen werstückbereichen
US9969053B2 (en) * 2015-05-13 2018-05-15 GM Global Technology Operations LLC Grinder adaptor assembly
EP3115149B1 (fr) * 2015-07-08 2018-03-14 Scania CV AB Procédé de meulage d'une pièce ayant une surface de palier cylindrique et procédé de détermination de paramètres de traitement
DE102016204273B4 (de) * 2016-03-15 2023-11-30 Erwin Junker Maschinenfabrik Gmbh Verfahren zur schleif-komplettbearbeitung von wellenförmigen werkstücken mit zylindrischen und profilierten abschnitten
CN107336121B (zh) * 2017-09-05 2019-02-19 湖州吴兴华隆机械有限公司 一种汽车曲轴加工用抛光机
JP7135288B2 (ja) * 2017-10-20 2022-09-13 株式会社ジェイテクト 研削盤及び研削方法
CN107584342A (zh) * 2017-11-06 2018-01-16 河南华洋发动机制造有限公司 曲轴连杆颈加工用夹具
US10639763B2 (en) 2017-11-14 2020-05-05 Ford Motor Company Method for journal finishing of crankshafts, camshafts, and journals
CN108274309A (zh) * 2018-01-26 2018-07-13 重庆聚伯雅科技有限公司 一种用于轴件的抛光打磨方法
CN108972312A (zh) * 2018-09-15 2018-12-11 宁波捷斯福智能机械科技有限公司 一种珩磨机
CN109894958B (zh) * 2019-04-26 2023-09-22 烟台艾迪精密机械股份有限公司 一种用于骨架油封部位的磨削工装及磨削方法
CN111993091A (zh) * 2020-09-07 2020-11-27 重庆红亿机械有限公司 一种曲轴加工装置
CN112706035A (zh) * 2020-12-31 2021-04-27 深圳市康铨机电有限公司 一种应用于顶针磨削加工的辅助治具

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3653854A (en) * 1969-09-29 1972-04-04 Toyoda Machine Works Ltd Digitally controlled grinding machines
GB1334516A (en) 1971-04-19 1973-10-17 Prince Machines Ltd Crankshaft grinding machines
JPS533506B2 (fr) * 1973-04-11 1978-02-07
DE2333041A1 (de) * 1973-06-29 1975-01-23 Karstens Georg Messgeraete Universalschleifspindelstock
DE3824543A1 (de) 1988-07-20 1990-01-25 Naxos Union Schleifmittel Schleifscheibe
DE4327807C2 (de) * 1993-08-18 1995-06-14 Erwin Junker Verfahren und Schleifmaschine zum Schleifen einer Kurbelwelle
DE19511881B4 (de) * 1995-03-31 2009-06-10 Audi Ag Verfahren zum Schleifen der Außenkontur eines Werkstückes
US5664991A (en) * 1996-01-11 1997-09-09 Barton, Ii; Kenneth A. Microfinishing and roller burnishing machine
DE19756610A1 (de) * 1997-12-18 1999-07-01 Junker Erwin Maschf Gmbh Verfahren und Vorrichtung zum Schleifen von Werkstücken mit zum Schleifen zeitparaller Feinstbearbeitung
WO2000009290A1 (fr) * 1998-08-11 2000-02-24 Erwin Junker Maschinenfabrik Gmbh Rectifieuse avec mecanisme de tournage pour materiaux durs
JP2000107901A (ja) * 1998-09-29 2000-04-18 Toyoda Mach Works Ltd クランクシャフトの加工方法
JP3649037B2 (ja) * 1999-04-14 2005-05-18 豊田工機株式会社 複合研削盤
JP3787248B2 (ja) * 1999-09-30 2006-06-21 株式会社ジェイテクト 工作機械の定寸加工制御方法及びその装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO0066323A1 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8506357B2 (en) 2008-02-01 2013-08-13 Erwin Junker Maschinenfabrik Gmbh Method for grinding the main and rod bearings of a crankshaft by external cylindrical grinding and apparatus for carrying out the method
US9108287B2 (en) 2009-11-03 2015-08-18 Erwin Junker Maschinenfabrik Gmbh Method for grinding the main and rod bearing of a crankshaft by external cylindrical grinding

Also Published As

Publication number Publication date
JP2002542955A (ja) 2002-12-17
CZ20013878A3 (cs) 2002-08-14
CN1157276C (zh) 2004-07-14
WO2000066323A1 (fr) 2000-11-09
ES2198307T3 (es) 2004-02-01
US6878043B1 (en) 2005-04-12
AU4554600A (en) 2000-11-17
DE50002544D1 (de) 2003-07-17
EP1181132B1 (fr) 2003-06-11
DE19919893A1 (de) 2000-11-09
RU2240218C2 (ru) 2004-11-20
CN1360534A (zh) 2002-07-24
CZ302536B6 (cs) 2011-07-07

Similar Documents

Publication Publication Date Title
EP1181132A1 (fr) Degrossissage et finissage a la meule d'un vilebrequin a l'aide d'un seul dispositif de fixation
EP1039984B1 (fr) Procede et dispositif pour polir des pieces avec superfinition simultanee
DE102014204807B4 (de) Verfahren und Vorrichtung zum Schleifen von Großkurbelwellen
EP2167277B1 (fr) Centre de rectification et procédé de rectification simultanée de plusieurs paliers et de surfaces d'extrémité de vilebrequins
EP1427568B1 (fr) Procede et dispositif pour polir des points d'appui centraux de vilebrequins
EP2167275B1 (fr) Station de meulage et procede de meulage simultane de plusieurs paliers de vilebrequin
DE102008007175B4 (de) Verfahren zum Schleifen der Haupt- und Hublager einer Kurbelwelle durch Außenrundschleifen und Vorrichtung zur Durchführung des Verfahrens
DE19921785B4 (de) Verfahren zum Schleifen von konvexen Laufflächen und Außendurchmessern an Wellen mit wenigstens einem scheibenförmigen Wellenabschnitt sowie Schleifmaschine zur Durchführung des Verfahrens
DE102011113757B4 (de) Verfahren und Vorrichtung zur Fertigbearbeitung von Werkstücken
EP2496382B1 (fr) Procédé de rectification des paliers principaux et de moyeu d'un vilebrequin par rectification cylindrique extérieure et rectifieuse pour mettre en oeuvre ce procédé
EP2709785B1 (fr) Procede pour l'usinage d'un vilebrequin
DE102011113756A1 (de) Verfahren und Vorrichtung zur Fertigbearbeitung von Werkstücken
DE3011454A1 (de) Verfahren fuer die fertigbearbeitung von nockenwellen
DE102010025132B4 (de) Verfahren zum Herstellen einer Kurbelwelle
EP1542820A1 (fr) Machine pour le degrossissage et le finissage d'elements fonctionnels de vilebrequins ou d'arbres a cames
DE102009036799B3 (de) Verfahren zum Schleifen von unrunden stabförmigen Werkstücken
DE4214462A1 (de) Verfahren und vorrichtung zum schleifen von formstempeln

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20011122

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

17Q First examination report despatched

Effective date: 20020328

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Designated state(s): DE ES FR GB IT

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

Free format text: GERMAN

REF Corresponds to:

Ref document number: 50002544

Country of ref document: DE

Date of ref document: 20030717

Kind code of ref document: P

GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)
LTIE Lt: invalidation of european patent or patent extension

Effective date: 20030611

REG Reference to a national code

Ref country code: IE

Ref legal event code: FD4D

REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2198307

Country of ref document: ES

Kind code of ref document: T3

PLBI Opposition filed

Free format text: ORIGINAL CODE: 0009260

PLBQ Unpublished change to opponent data

Free format text: ORIGINAL CODE: EPIDOS OPPO

26 Opposition filed

Opponent name: SCHAUDT MIKROSA BWF GMBH

Effective date: 20040220

PLAX Notice of opposition and request to file observation + time limit sent

Free format text: ORIGINAL CODE: EPIDOSNOBS2

ET Fr: translation filed
PLBB Reply of patent proprietor to notice(s) of opposition received

Free format text: ORIGINAL CODE: EPIDOSNOBS3

PLAB Opposition data, opponent's data or that of the opponent's representative modified

Free format text: ORIGINAL CODE: 0009299OPPO

PLCK Communication despatched that opposition was rejected

Free format text: ORIGINAL CODE: EPIDOSNREJ1

R26 Opposition filed (corrected)

Opponent name: SCHLEIFRING SERVICE GMBH

Effective date: 20040220

PLBN Opposition rejected

Free format text: ORIGINAL CODE: 0009273

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: OPPOSITION REJECTED

27O Opposition rejected

Effective date: 20060215

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 17

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 18

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 19

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: ES

Payment date: 20190520

Year of fee payment: 20

Ref country code: IT

Payment date: 20190419

Year of fee payment: 20

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20190423

Year of fee payment: 20

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20190424

Year of fee payment: 20

Ref country code: DE

Payment date: 20190628

Year of fee payment: 20

REG Reference to a national code

Ref country code: DE

Ref legal event code: R071

Ref document number: 50002544

Country of ref document: DE

REG Reference to a national code

Ref country code: GB

Ref legal event code: PE20

Expiry date: 20200419

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF EXPIRATION OF PROTECTION

Effective date: 20200419

REG Reference to a national code

Ref country code: ES

Ref legal event code: FD2A

Effective date: 20220103

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF EXPIRATION OF PROTECTION

Effective date: 20200421