EP0931604A1 - Verfahren und Vorrichtung zur Herstellung von gebauten Nockenwellen - Google Patents
Verfahren und Vorrichtung zur Herstellung von gebauten Nockenwellen Download PDFInfo
- Publication number
- EP0931604A1 EP0931604A1 EP98123711A EP98123711A EP0931604A1 EP 0931604 A1 EP0931604 A1 EP 0931604A1 EP 98123711 A EP98123711 A EP 98123711A EP 98123711 A EP98123711 A EP 98123711A EP 0931604 A1 EP0931604 A1 EP 0931604A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- hollow shaft
- cam
- bearing
- probe
- expanded
- 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
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 9
- 238000000034 method Methods 0.000 title claims description 12
- 239000002131 composite material Substances 0.000 title 1
- 239000000523 sample Substances 0.000 claims abstract description 24
- 238000007789 sealing Methods 0.000 claims abstract description 21
- 239000012530 fluid Substances 0.000 claims abstract description 17
- 238000005304 joining Methods 0.000 claims description 15
- 150000001875 compounds Chemical class 0.000 claims description 2
- 238000003825 pressing Methods 0.000 claims 1
- 238000007493 shaping process Methods 0.000 claims 1
- 230000014759 maintenance of location Effects 0.000 abstract 1
- 239000000463 material Substances 0.000 description 10
- 238000009740 moulding (composite fabrication) Methods 0.000 description 9
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
- B21D39/08—Tube expanders
- B21D39/20—Tube expanders with mandrels, e.g. expandable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D26/00—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces
- B21D26/02—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure
- B21D26/033—Deforming tubular bodies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
- B21D39/04—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of tubes with tubes; of tubes with rods
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
- B21D39/06—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of tubes in openings, e.g. rolling-in
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
- B21D39/08—Tube expanders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D53/00—Making other particular articles
- B21D53/84—Making other particular articles other parts for engines, e.g. connecting-rods
- B21D53/845—Making camshafts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/02—Valve drive
- F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
- F01L1/047—Camshafts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/02—Valve drive
- F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
- F01L1/047—Camshafts
- F01L2001/0475—Hollow camshafts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L2303/00—Manufacturing of components used in valve arrangements
- F01L2303/01—Tools for producing, mounting or adjusting, e.g. some part of the distribution
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49229—Prime mover or fluid pump making
- Y10T29/49293—Camshaft making
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49805—Shaping by direct application of fluent pressure
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49826—Assembling or joining
- Y10T29/49895—Associating parts by use of aligning means [e.g., use of a drift pin or a "fixture"]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49826—Assembling or joining
- Y10T29/49908—Joining by deforming
- Y10T29/49915—Overedge assembling of seated part
- Y10T29/4992—Overedge assembling of seated part by flaring inserted cup or tube end
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49826—Assembling or joining
- Y10T29/49908—Joining by deforming
- Y10T29/49938—Radially expanding part in cavity, aperture, or hollow body
- Y10T29/4994—Radially expanding internal tube
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/53—Means to assemble or disassemble
- Y10T29/53796—Puller or pusher means, contained force multiplying operator
- Y10T29/5383—Puller or pusher means, contained force multiplying operator having fluid operator
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/53—Means to assemble or disassemble
- Y10T29/53961—Means to assemble or disassemble with work-holder for assembly
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/53—Means to assemble or disassemble
- Y10T29/53996—Means to assemble or disassemble by deforming
Definitions
- the invention is based, a method and a task Show device for producing a built camshaft, by means of which the operational safety in a simple manner the camshaft in every engine operation is and the camshaft on due to the individual Motor design differently positioned counter bearing can be adjusted.
- the task is according to the invention by the features of the claim 1 regarding the procedure and the features of claim 6 with respect to the device.
- the hollow shaft outer diameter of the undeformed Output shaft largely independent of the bearing diameter be selected, whereby with a suitable choice of the outer diameter the hollow shaft is so large that a sufficient bending stiffness for every engine operating situation the hollow shaft is guaranteed, and at the same time so small is dimensioned that the cam due to a sufficient cam belt thickness still has so much rigidity that it has the joining stresses with the joining high pressure application of the Hollow shaft on the one hand and on the other hand in engine operation take whatever load without suffering damage can.
- the probe 13 consists essentially of a metal rod which a central fluidic with a high-pressure fluid generating system connected pressure fluid guide channel 14. From Pressure fluid guide channel 14 branch axially spaced apart Cross channels 15 and 16, the outlet openings 17 and 18 own in the probe jacket 38. It is conceivable that in the area of Outlet openings 17 and 18 in the probe jacket 38 a circumferential Recess is incorporated, which is an annular pressure chamber open towards the hollow shaft 7. This will make one simultaneous and uniform high pressure application of the respective Widening of the hollow shaft 7 reached, whereby a Uniformity of the expanded point of the hollow shaft 7 achieved becomes.
- the expansion area 19 and the section 21 are each by the sealing arrangement for pairs of sealing bodies forming the hollow shaft in the form of two axially spaced ring seals 24, 25 axially bounded on both sides by the probe 13 and for their mounting in the probe jacket 38 each two circumferential Recording grooves 26 are formed.
- the ring seals 24, 25 are supported radially on the inside 27 of the hollow shaft 7 sealing off.
- the support tool 28 and 29 consists of three jaw-like segments 39, 40, 41, the division joints 42 in contact with the hollow shaft 7 offset by approximately 120 ° to one another are arranged.
- the probe 13 inserted into the hollow shaft 7, the probe 13 with the Outlet openings 17, 18 of the transverse channels 15, 16 of the pressure fluid guide channel 14 exactly to the respective expansion area 19 and the section 21 are axially aligned.
- the hollow shaft 7 can, as already described, through the cam bores 9 the cam 4 are threaded through.
- the cams 4 on a firmly clamped hollow shaft 7 pushed on and positioned there in the intended relative position become.
- the cams 4 are now representative of the game characterized by the gap 30 in Fig. 2 - on the Hollow shaft 7 positioned. Then the support tools 28 or 29 move radially to the hollow shaft 7 until it on it issue.
- the applied to the hollow shaft 7 directly to the Widening area 19 of the hollow shaft 7 adjoining sections 31 of the support tool 28 and 29 are the one to be expanded Bearing 20 spanning section 32 of the tool 28 and 29 are connected to each other.
- Section 32 jumps compared to the contact surfaces 33 of the tool 28 or 29 so far back that he has an annular with the bearing 20 Includes expansion space 34 (Fig. 4a, b).
- the depository 20 facing surface 35 of the spanning section 32 of the Tool 28 can be die-engraved for the expansion Bearing 20 be formed and is then to the best possible flow of material during expansion ensure highly polished (Fig. 3a, b).
- the support tool 28 or 29 is in the position of use rigid, i.e. immovable, arranged and covered in such a way the ring seals 24, 25 that a lifting of the abutting them Hollow shaft material under the high pressure fluid of the ring seals 24, 25 is avoided, what else Loss would result in their sealing effect.
- section 21 and area 19 of the depository 20 can be done simultaneously, but by the in contrast, faster contact of the cam 4 with the hollow shaft 7 to achieve the desired final shape of the bearing 20 on the cams 4 due to the larger expansion axial tensile stresses act, resulting in a reduction in transferable Torques can lead to the cam 4 in engine operation.
- This can in turn be reduced by the fact that due to the Support by the tool 28 or 29, the hollow shaft 7 such is pinched that the hollow shaft material to expand the Bearing 20 not free from the length of the hollow shaft 7 but is obtained only from the area 19, so that the wall thickness the bearing 20 in its final form compared to its original form is reduced.
- the reduced wall thickness of the bearing 20 is their wear resistance and rigidity detrimental.
- the formation of the bearing point can be provided in a favorable manner 20 and the joining process of the cam 4 on the hollow shaft 7 done sequentially, the bearing 20 being formed first becomes.
- a pressure relief valve is in the transverse channel 15 to the cam 4 37 arranged, which blocks the transverse channel 15, if the bearing 20 is subjected to high internal pressure.
- the respective cam 4 is placed on the hollow shaft 7 in a provisional Joint position pushed or takes when threading the hollow shaft 7 in the cams 4 a provisional joining position on.
- the bearing 20 is as desired according to FIG. 4a, b in a simple manner in the form of a bulge 36 by about 1-2 mm expanded. Accordingly, the counter bearing must be formed dome-shaped on the engine, which in turn some Effort means.
- the tool section 32 in the manner of a die engraving can Bearing 20 when expanding after the hollow shaft material has been applied assume a cylindrical shape on the engraving, which simplifies the formation of the counter bearing of the engine will (Fig. 3a, b).
- the section reproduced from a die engraving 32 can also be one of the support tool (28) separate tool shape can be formed.
- the bearing point 20 with a comparatively substantial for expansion printing higher pressure can be calibrated.
- the Shortening of the hollow shaft 7 occurring during the forming Compliance with the distances of the bearing points 20 from each other Provision of material by using a longer hollow shaft 7 or by gradually expanding the individual storage locations 20 can be countered, the cams 4 between the Bearing positions 20 positioned in their final joining position.
- the cross channel 15 is released and section 21 of the Hollow shaft 7 in a second forming process with one opposite the expansion pressure described above for the bearing 20, in particular the internal pressure, which is much lower than the calibration pressure acted upon, with the expansion of the Hollow shaft 7 of the cams 4 to form a press fit it is added.
- the shortening of the hollow shaft 7 in this Second forming is of no importance since the hollow shaft 7 only widens there by about 0.2 mm.
- the hollow shaft 7 becomes the desired camshaft 2, as from Fig. 5 can be seen.
- the pressure fluid is released, the Support tools 28 and 29 removed and the probe 13 from the Camshaft 2 pulled out. Then the clamping is released and removed the finished camshaft 2 for further installation.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
- Gears, Cams (AREA)
Abstract
Description
Claims (10)
- Verfahren zur Herstellung von gebauten Nockenwellen (2), wobei auf eine Hohlwelle (7) zumindest ein Nocken (4) auf die Hohlwelle (7) geschoben wird, wonach die Hohlwelle (7) zwischen den beiden quer zur Längserstreckung der Hohlwelle (7) verlaufenden Stirnseiten (22,23) des Nockens (4) und an der jeweiligen Lagerstelle (20) mittels eines hochgespannten Druckfluides, das von einer in die Hohlwelle (7) eingeführten, lanzenförmigen Sonde (13) gefördert wird, derart aufgeweitet wird, daß einerseits ein Preßverbund von Nocken (4) und Hohlwelle (7) und andererseits eine den Abstand zwischen Hohlwelle (7) und Gegenlager überbrückende Ausbauchung (36) der Lagerstelle (20) der Hohlwelle (7) entsteht, wobei die Hohlwelle (7) zwischen den aufgeweiteten Stellen (20,21) durch eine Dichtungsanordnung (28;29 und 24,25) an der Sonde (13) gegenüber dem aufweitenden Innenhochdruck abgedichtet wird.
- Verfahren nach Anspruch 1,
dadurch gekennzeichnet,
daß der jeweilige Nocken (4) in der gewünschten seiner Endlage entsprechenden Relativlage zur Hohlwelle (7) positioniert wird und daß danach die Fügestelle (21) der Hohlwelle (7) mit dem jeweiligen Nocken (4) zwischen dessen Stirnseiten (22,23) und die jeweilige Lagerstelle (20) der Hohlwelle (7) gleichzeitig mit Innenhochdruck über die Sonde (13) beaufschlagt wird, wobei die Hohlwelle (7) am Ort der Dichtungsanordnung (28;29 und 24,25) der Sonde (13) von außen derart gegenüber dem Innenhochdruck abgestützt wird, daß die Aufweitung der Lagerstelle (20) durch den Innenhochdruck ausschließlich unter Verringerung der Wandstärke im Bereich des aufzuweitenden Hohlwellenabschnitts (19,21) erfolgt. - Verfahren nach Anspruch 1,
dadurch gekennzeichnet,
daß der jeweilige Nocken (4) auf die Hohlwelle (7) in eine provisorische Fügelage geschoben wird, daß danach die Aufweitung der Lagerstelle (20) der Hohlwelle (7) erfolgt und daß erst im Anschluß an die ausgeformten Lagerstellen (20) der Nocken (4) in seine endgültige Fügelage positioniert wird und dann auf die Hohlwelle (7) dort mittels Innenhochdruckbeaufschlagung der Hohlwelle (7) gefügt wird. - Verfahren nach einem der Ansprüche 1 bis 3,
dadurch gekennzeichnet,
daß die aufzuweitenden Abschnitte (20,21) der Hohlwelle (7) mit unterschiedlich hohen Fluiddrücken beaufschlagt werden, wobei die Lagerstelle (20) mit höherem Druck beaufschlagt wird als die Fügestelle (21) des Nockens (4). - Verfahren nach einem der Ansprüche 1 bis 3,
dadurch gekennzeichnet,
daß die aufgeweiteten Lagerstellen (20) abschließend mit einem gegenüber dem Aufweitdruck wesentlich höheren Kalibrierdruck beaufschlagt werden, wobei die jeweilige Lagerstelle (20) durch Anpressen an eine sie umgebende Werkzeugform konturiert wird. - Vorrichtung zur Herstellung einer aus einer Hohlwelle (7) und zumindest einem Nocken (4) gebauten Nockenwelle (2) mit einer in die in einer endseitigen Einspannung befindlichen Hohlwelle (7) einschiebbaren lanzenförmigen Sonde (13), welche einen mit einer Fluidhochdruck-Erzeugungsanlage fluidisch verbundenen Druckfluidführungskanal (14) aufweist, der Austrittsöffnungen (17,18) im durch Fluidhochdruck aufzuweitenden Bereich (19) einer Lagerstelle (20) der Hohlwelle (7) und auf dem Abschnitt (21) der Hohlwelle (7) zwischen den beiden der zur Längserstreckung verlaufenden Stirnseiten (22,23) des jeweiligen Nockens (4) besitzt, mit jeweils einer Dichtanordnung (28;29 und 24,25) für die Hohlwelle (7) auf dem Abschnitt (21) des zu fügenden Nockens (4) und im Bereich (19) der Lagerstelle (20), wobei die Dichtanordnungen (28,29 und 24,25) zwei Dichtkörper (24,25) beinhalten, die auf der Sonde (13) umlaufend angeordnet und axial voneinander beabstandet sind und die die aufzuweitenden Bereiche (19,21) der Hohlwelle (7) axial beidseitig mit Abstützung an der Innenseite (27) der Hohlwelle (7) abdichtend begrenzen, und wobei die Dichtanordnung (28;29 und 24,25) für die Lagerstelle (20) ein Abstützwerkzeug (28 ,29) beinhaltet, das in Gebrauchslage außen an der Hohlwelle (7) umlaufend unter Freilassung des aufzuweitenden Bereiches (19) der Hohlwelle (7) starr anliegt und den jeweiligen Dichtkörper (24,25) dabei abdeckt, und mit Werkzeugen (3) zur Ausrichtung, Positionierung und Halterung des Nockens (4).
- Vorrichtung nach Anspruch 6,
dadurch gekennzeichnet,
daß die an der Hohlwelle (7) anliegenden Abschnitte (31) des Abstützwerkzeuges (28;29) durch einen die aufzuweitende Lagerstelle (20) überspannenden Abschnitt (32) miteinander verbunden sind, wobei dieser mit der Lagerstelle (20) einen ringförmigen Aufweitraum (34) einschließt. - Vorrichtung nach Anspruch 7,
dadurch gekennzeichnet,
daß die der Lagerstelle (20) zugewandte Fläche (35) des überspannenden Abschnittes (32) des Abstützwerkzeuges (28) nach Art einer Gesenkgravur für aie aufzuweitende Lagerstelle (20) formgebend ausgebildet ist. - Vorrichtung nach Anspruch 8,
dadurch gekennzeichnet,
daß die Formgebungsfläche (35) poliert ist. - Vorrichtung nach Anspruch 6,
dadurch gekennzeichnet,
daß vom Druckfluidführungskanal (14) der Sonde (13) jeweils ein diesen mit der jeweiligen Austrittsöffnung (17,18) verbindender Querkanal (15,16) abzweigt, wobei im Querkanal (15), der zum Aufweitungsabschnitt (21) der Hohlwelle (7) am Nocken (4) führt, ein Druckbegrenzungsventil (37) angeordnet ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19802484A DE19802484C2 (de) | 1998-01-23 | 1998-01-23 | Verfahren und Vorrichtung zur Herstellung von gebauten Nockenwellen |
DE19802484 | 1998-01-23 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0931604A1 true EP0931604A1 (de) | 1999-07-28 |
EP0931604B1 EP0931604B1 (de) | 2003-06-04 |
Family
ID=7855439
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98123711A Expired - Lifetime EP0931604B1 (de) | 1998-01-23 | 1998-12-12 | Verfahren und Vorrichtung zur Herstellung von gebauten Nockenwellen |
Country Status (4)
Country | Link |
---|---|
US (2) | US6347451B1 (de) |
EP (1) | EP0931604B1 (de) |
DE (2) | DE19802484C2 (de) |
ES (1) | ES2198638T3 (de) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1970140A1 (de) * | 2007-03-16 | 2008-09-17 | Muhr und Bender KG | Verfahren zum Herstellen von gebauten Nockenwellen |
WO2009098005A2 (de) * | 2008-02-07 | 2009-08-13 | Schäfer, Helmut | Welle und verfahren zum herstellen einer welle, insbesondere für einen motor eines kraftfahrzeugs |
WO2010072194A1 (de) * | 2008-12-22 | 2010-07-01 | Volkswagen Ag | Verfahren und vorrichtung zur positionierung mehrerer funktionselement in einer vorbestimmten winkelposition auf einer welle |
WO2014016215A1 (de) * | 2012-07-27 | 2014-01-30 | Thyssenkrupp Presta Teccenter Ag | Verstellbare nockenwelle |
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- 1998-12-12 DE DE59808621T patent/DE59808621D1/de not_active Expired - Fee Related
- 1998-12-12 EP EP98123711A patent/EP0931604B1/de not_active Expired - Lifetime
- 1998-12-12 ES ES98123711T patent/ES2198638T3/es not_active Expired - Lifetime
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Cited By (10)
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EP1970140A1 (de) * | 2007-03-16 | 2008-09-17 | Muhr und Bender KG | Verfahren zum Herstellen von gebauten Nockenwellen |
WO2009098005A2 (de) * | 2008-02-07 | 2009-08-13 | Schäfer, Helmut | Welle und verfahren zum herstellen einer welle, insbesondere für einen motor eines kraftfahrzeugs |
WO2009098005A3 (de) * | 2008-02-07 | 2009-12-03 | Schäfer, Helmut | Welle und verfahren zum herstellen einer welle, insbesondere für einen motor eines kraftfahrzeugs |
WO2010072194A1 (de) * | 2008-12-22 | 2010-07-01 | Volkswagen Ag | Verfahren und vorrichtung zur positionierung mehrerer funktionselement in einer vorbestimmten winkelposition auf einer welle |
CN102265006A (zh) * | 2008-12-22 | 2011-11-30 | 大众汽车有限公司 | 用于将多个功能元件定位在轴上的预定的角位置中的方法和装置 |
CN102265006B (zh) * | 2008-12-22 | 2013-09-25 | 大众汽车有限公司 | 用于将多个功能元件定位在轴上的预定的角位置中的方法和装置 |
WO2014016215A1 (de) * | 2012-07-27 | 2014-01-30 | Thyssenkrupp Presta Teccenter Ag | Verstellbare nockenwelle |
US9617876B2 (en) | 2012-07-27 | 2017-04-11 | Thyssenkrupp Presta Teccenter Ag | Adjustable camshaft |
WO2015018563A1 (de) * | 2013-08-08 | 2015-02-12 | Mahle International Gmbh | Vorrichtung zur montage von nocken auf einem nockenwellenrohr |
US10478927B2 (en) | 2013-08-08 | 2019-11-19 | Mahle International Gmbh | Device for assembling cams on a camshaft pipe |
Also Published As
Publication number | Publication date |
---|---|
US6347451B1 (en) | 2002-02-19 |
DE19802484C2 (de) | 2000-06-08 |
DE59808621D1 (de) | 2003-07-10 |
US20020056195A1 (en) | 2002-05-16 |
DE19802484A1 (de) | 1999-08-05 |
US6615468B2 (en) | 2003-09-09 |
EP0931604B1 (de) | 2003-06-04 |
ES2198638T3 (es) | 2004-02-01 |
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