WO2003033189A1 - Verfahren zum beschicken von ihu-pressen und einrichtung zur durchführung des verfahrens - Google Patents
Verfahren zum beschicken von ihu-pressen und einrichtung zur durchführung des verfahrens Download PDFInfo
- Publication number
- WO2003033189A1 WO2003033189A1 PCT/DE2002/003746 DE0203746W WO03033189A1 WO 2003033189 A1 WO2003033189 A1 WO 2003033189A1 DE 0203746 W DE0203746 W DE 0203746W WO 03033189 A1 WO03033189 A1 WO 03033189A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- parts
- tool
- assembly device
- hydroforming
- ihu
- Prior art date
Links
Classifications
-
- 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
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/02—Advancing work in relation to the stroke of the die or tool
- B21D43/18—Advancing work in relation to the stroke of the die or tool by means in pneumatic or magnetic engagement with the work
-
- 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
- B21D53/00—Making other particular articles
- B21D53/84—Making other particular articles other parts for engines, e.g. connecting-rods
- B21D53/845—Making 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
-
- 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
- Y10T29/17—Crankshaft making apparatus
-
- 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"]
- Y10T29/49901—Sequentially associating parts on stationary aligning means
-
- 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"]
- Y10T29/49902—Associating parts by use of aligning means [e.g., use of a drift pin or a "fixture"] by manipulating aligning means
-
- 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
Definitions
- the invention relates to a method for loading IHU presses (hydroforming presses) in order to produce workpieces, which are composed of several parts, preferably camshafts, in a known IHU process.
- the IHU process connects cam rings and other components, such as drive elements, in a force-locking and form-fitting manner.
- the IHU press that carries out the process is designed to hold at least one workpiece, i.e. a camshaft, which consists of a hollow shaft with the cam rings to be mounted thereon.
- the IHU process generally changes workpieces that are hollow by the action of a pressure medium (air, liquid) in their geometry and dimensions. These axial forces shape the workpiece as far as it is to be specified in the IHU press through the shape, also called mold cavity.
- a pressure medium air, liquid
- IHU presses of this type have two tools, a lower tool and an upper tool, the mold cavities of which, when closed, correspond to the shape of the entire workpiece, the camshaft with the functionally arranged cam rings. In general, the workpiece is separated in the middle.
- camshafts from a hollow shaft and cam rings attached to it.
- the time for loading is very long because the cam rings have to be positioned very precisely, i.e. according to their later function, must be inserted and must not change in their position (angular position) due to the shocks and vibrations of the hydroforming press.
- the position of some cam rings is very unstable due to their shape, and it is precisely these that are at risk of changing their position. If the correct functional position of the cam rings is checked with gauges or other test equipment after insertion in the hydroforming press, a change in position cannot be ruled out when the tool is closed. Changing the position of only one cam ring has considerable consequences.
- cam rings are hardened and destroy the tool in the wrong position in the mold cavity and are themselves damaged and unusable. Since the tools are very expensive, such damage must be ruled out. Since efforts are being made to increase the productivity of hydroforming processes, the tools are also designed to accommodate several workpieces. There are, of course, limits here too, because the supply and control of the printing medium causes further measures and increased effort, which in turn increases the costs of the hydroforming press and ultimately also the process costs.
- DE 36 43 803 A1 discloses an assembly device for assembled camshafts and assembly methods. What is disclosed is a mounting device for built-up camshafts with a holding device for axially fixing individual elements such as cam disks, bearing seats or gear wheels and a pressure medium probe for hydraulically expanding a hollow shaft in sections in which the elements and the hollow shaft are connected to one another in a force-locking manner. Individual fixing disks are provided for the holding device, each having a central opening for receiving one of the elements such as cam disks, bearing seats or gearwheels and an outer bearing seat for receiving in each case one bearing point of the holding device. Using these fixing disks, the individual elements can be fixed at the correct angle before assembly, the hollow shaft being able to perform radial movements relative to them.
- This previously known assembly device thus comprises a lower part and an upper part, wherein in the lower part and upper part identical mold cavities for the accommodation of parts are introduced and the lower part and upper part are precisely connected. Positioning elements are arranged on the upper and lower part in the upper part and / or lower part at the points where a positional securing of the parts is required, which ensure a fitting connection of these parts to one another.
- the above-cited laid-open document also discloses a method for assembling a camshaft.
- all parts of the camshaft are inserted into the lower part of an assembly device, which consists of a lower part and an upper part, in accordance with their position and function; the spatial and functional position of the parts is checked; the upper part of the assembly device is placed on the lower part; by clamping the parts in the assembly device in the specified position are positively and positively connected; The upper part of the assembly device is then placed on the lower tool with the parts held in it by means of positioning elements in the precisely defined position.
- the invention has for its object to provide a method for loading IHU presses, which makes it possible in a known IHU process to produce a non-rotationally symmetrical workpiece, which is composed of several individual parts, preferably a camshaft, and thereby to ensure the required high precision with regard to the position of the cam rings. Furthermore, the idle time for loading the hydroforming press should be reduced considerably in order to increase the productivity of the process and the hydroforming press. A further increase should also be possible by designing the method so that several workpieces can be produced in one cycle. The process is intended to prevent the workpiece or its parts and the hydroforming press from being destroyed or damaged.
- the IHU press should remain in its basic configuration and its mode of operation and be adapted to the method according to the invention without a significant increase in costs.
- the device for carrying out the method should belong to the IHU press, ie it should be functionally connected to the IHU press in such a way that the entire IHU process can be carried out more economically.
- the facility should be an indirect component of the IHU press and serve directly for the procedure.
- the basic principle of the process is that part of the entire process, a process step in which one or more workpieces are produced at the same time, is removed from the IHU process, also called cycle.
- this also includes test processes adapted to the process and workpiece.
- the positioned parts, secured against inadmissible changes in position in the assembly facility are transported into the IHU press in the opened tool.
- the two-part assembly device has the same mold nests for receiving cams and other components to be assembled as the tool of the hydroforming press.
- Clamps and / or suction devices installed in the upper part of the assembly device ensure that all parts (hollow shaft, cam rings, drive elements) are fixed.
- the upper part is placed on the lower tool of the hydroforming press using positioning elements. This in turn turns all parts of the mold nests of the top part the assembly device and lower tool of the hydroforming press are fixed and enclosed in the correct position.
- the clamps are loosened and / or the suction pressure is reduced and the upper part of the assembly device is pushed on; and the top is removed from the hydroforming press.
- the upper tool of the IHU press is put on, ie the IHU press is closed and the actual IHU process runs.
- additional assembly devices have been fitted with an independent route, so that a cycle runs in a significantly short time.
- a further solution to the problem is that the parts or assemblies are also held in the lower part of the assembly device by clamping and / or suction after being inserted and fixed in the assembly device.
- the assembly device is transported into the open hydroforming press and positioned under the upper tool of the hydroforming press.
- the upper part of the assembly device is removed and moved out of the hydroforming press.
- the lower part of the assembly device with the parts held in it is lifted onto the upper tool of the hydroforming press and the parts are now held in the upper tool of the hydroforming press in a functional manner by means of clamping and / or suction.
- the connection of the parts is released from the lower part of the assembly device and it is moved out of the hydroforming press.
- the further process sequence then takes place as in the first-mentioned process variant.
- the suction of the parts in the assembly unit and also in the hydroforming tool is carried out by a commercially available vacuum pump, which generates a vacuum corresponding to the weight of the suction parts.
- the method according to the invention has its greatest advantage in that the entire assembly process in the hydroforming press is eliminated except for the insertion of the assembly device.
- the cycle time is thus greatly reduced and productivity increased.
- Large numbers of units can be prepared for hydroforming presses by using several assembly devices. It is also ensured that the parts or the IHU tool are hardly damaged by inaccurate insertion or changes in position.
- the assembly device ensures high process reliability, even when machining several workpieces in one tool or assembly device.
- the position check of the position of the cams in the assembly device is carried out by means of known test equipment and methods; and a final check before inserting the assembly device is carried out by determining when the upper part is placed on whether the position of the parts is precise, because otherwise it cannot be closed.
- the assembly device can be fitted manually or automatically.
- the device for carrying out the method is an assembly device which is loaded independently outside the IHU press and is movable on guide elements in the open hydroforming press.
- the guide elements are not only designed to transport the assembly unit in and out of the hydroforming press, but they also serve to precisely attach the assembly device to the hydroforming tool. These guide elements are expediently designed such that they take over the entire movement sequence of the assembly device.
- the assembly device consists of a lower part and an upper part. Both parts have the same mold cavities as the tool lower and upper part of the hydroforming press.
- the upper and lower parts of the assembly device are easily detachably connected to one another by means of known fitting elements.
- channels are introduced at certain points on the lower and / or upper part of the assembly unit, which are connected to a vacuum generator via flexible lines.
- clamping elements e.g. Brackets can be arranged on or in the lower and / or upper part, which are easy to open from the outside if the lower or upper part of the assembly device were attached to the lower or upper tool of the hydroforming press.
- the upper tool in Channels, which are also connected to a vacuum generator, are introduced at essentially the same points as in the upper part of the assembly device.
- the IHU press can use the usual drainage channels.
- the assembly device consists of a lower part 1 and an upper part 2 and is shown open in FIGS. 1 and 2. Mold cavities 3 are introduced into these, which are identical to the mold cavities 3 'in a lower tool 4 and upper tool (see FIG. 3) of an hydroforming press. The assembly device is brought exactly one above the other with dowel pins 5 which snap into the holes 6. The mold cavities 3 and 3 'are worked out according to the function-related position and location of the cam rings 7 and the hollow shaft 8.
- channels 9 are provided in the upper part 2 of the mounting device, which are connected to a vacuum generator via flexible hoses 10. By the vacuum is held immovably in its functional position.
- Positioning elements 12 are arranged for the process-related connection of the tool to the upper and / or lower part (1, 2).
- the lower tool 4 has not yet been equipped.
- the upper part 2 of the assembly device is already above the lower tool 4 for lowering onto it.
- the hollow shaft 8 and the cam rings 7 are held by the negative pressure.
- the upper part 2 lowers, and by means of the fitting elements 12, which engage in the bores 6, a precisely fitting guidance, i.e. Matched.
- the method according to the invention is carried out as follows. At an assembly site, the cam rings 7 are placed on the hollow shaft 8 in the mold cavity 3 in the lower part 1. In general, the functional position is exactly guaranteed by the savings in the mold nest 3. A suitable test device can also be used to check the position. Now the upper part 2 is guided through the dowel pins 5 in the holes 6 slowly placed on the lower part. A repeated position check is inevitably carried out here, because the upper part 2 can only be put on when the cam rings 7 are in the exact position.
- a negative pressure is generated via channels 9, hoses 10, which sucks in and holds the cam rings 7 and the hollow shaft 8 in the upper part 2 .
- the assembly facility is located in the hydroforming press above the lower Tool 4, the lower part 1 of the assembly device is lowered and moved out of the hydroforming press.
- the upper part 2 of the assembly device is guided by the positioning pins 12 onto the lower tool 4; the suction pressure is released and the parts are positioned in the lower tool 4.
- the upper tool moves down to the lower tool 4 and the IHU process is carried out in a known manner.
- the IHU tool then opens and the finished camshaft is removed.
- the cam rings 7 are mounted on the hollow shaft 8 in a further assembly device, so that the latter can be inserted into the hydroforming press.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Automatic Assembly (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
- Press Drives And Press Lines (AREA)
- Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA2474396A CA2474396C (en) | 2001-10-11 | 2002-10-04 | Method for loading internal high pressure forming presses and device therefor |
DE50212028T DE50212028D1 (de) | 2001-10-11 | 2002-10-04 | Chtung zur durchführung des verfahrens |
DE10294674T DE10294674D2 (de) | 2001-10-11 | 2002-10-04 | Verfahren zum Beschicken von Ihu-Pressen und Einrichtung zur Durchführung des Verfahrens |
EP02776776A EP1434661B1 (de) | 2001-10-11 | 2002-10-04 | Verfahren zum beschicken von ihu-pressen und einrichtung zur durchführung des verfahrens |
US10/819,242 US7331095B2 (en) | 2001-10-11 | 2004-04-06 | Method of hydroforming a workpiece |
US12/014,614 US7574889B2 (en) | 2001-10-11 | 2008-01-15 | Method for feeding hydroforming presses, and device for carrying out the method |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10150092A DE10150092C1 (de) | 2001-10-11 | 2001-10-11 | Verfahren zum Beschicken von IHU-Pressen und Einrichtung zur Durchführung des Verfahrens |
DE10150092.0 | 2001-10-11 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/819,242 Continuation US7331095B2 (en) | 2001-10-11 | 2004-04-06 | Method of hydroforming a workpiece |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2003033189A1 true WO2003033189A1 (de) | 2003-04-24 |
Family
ID=7702114
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2002/003746 WO2003033189A1 (de) | 2001-10-11 | 2002-10-04 | Verfahren zum beschicken von ihu-pressen und einrichtung zur durchführung des verfahrens |
Country Status (6)
Country | Link |
---|---|
US (2) | US7331095B2 (de) |
EP (1) | EP1434661B1 (de) |
AT (1) | ATE390969T1 (de) |
CA (1) | CA2474396C (de) |
DE (3) | DE10150092C1 (de) |
WO (1) | WO2003033189A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009533809A (ja) * | 2006-04-10 | 2009-09-17 | ケンブリッジ ディスプレイ テクノロジー リミテッド | 電気装置及びその製造方法 |
EP2745951A1 (de) | 2012-12-20 | 2014-06-25 | C.R.F. Società Consortile per Azioni | Verfahren zur Herstellung einer Nockenwelle in einem Verbrennungsmotor |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10150093C1 (de) * | 2001-10-11 | 2002-08-08 | Salzgitter Antriebstechnik Gmb | Verfahren zum Verbinden von Bauteilen mit Hohlwellen, vorzugsweise Nockenwellen und danach hergestellte Nockenwelle |
DE10150092C1 (de) * | 2001-10-11 | 2003-04-03 | Salzgitter Antriebstechnik Gmb | Verfahren zum Beschicken von IHU-Pressen und Einrichtung zur Durchführung des Verfahrens |
EP1587407B1 (de) * | 2002-12-26 | 2012-03-07 | Given Imaging Ltd. | Immobilisierbare in-vivo messvorrichtung |
DE10357341B4 (de) * | 2003-12-09 | 2006-02-09 | Daimlerchrysler Ag | Vorrichtung und Verfahren zur Innenhochdruckumformung eines Rohlings |
DE102007056638B4 (de) * | 2007-11-24 | 2018-02-22 | Usk Karl Utz Sondermaschinen Gmbh | Verfahren und Vorrichtung zur Montage von einem Verbund, insbesondere aus einer Nockenwelle und einem Gehäuse |
US7900655B2 (en) * | 2008-07-18 | 2011-03-08 | Tdw Delaware, Inc. | Composite load transferring technique |
DE102010055123B4 (de) | 2010-12-18 | 2017-06-29 | Usk Karl Utz Sondermaschinen Gmbh | Verfahren und Vorrichtung zur Herstellung einer Nockenwelle |
DE102011050930A1 (de) * | 2011-06-08 | 2012-12-13 | Thyssenkrupp Presta Teccenter Ag | Nockenwelle und Verfahren zur Herstellung der Nockenwelle |
US20150315666A1 (en) * | 2014-04-30 | 2015-11-05 | Ford Global Technologies, Llc | Induction annealing as a method for expanded hydroformed tube formability |
CN104759548A (zh) * | 2015-04-03 | 2015-07-08 | 张洪 | 气动式组合钉扣机 |
CN105689487A (zh) * | 2016-03-30 | 2016-06-22 | 江苏界达特异新材料股份有限公司 | 内高压成型管件的变径预成型工艺及减径设备 |
CN114992204B (zh) * | 2022-04-22 | 2023-12-22 | 歌尔股份有限公司 | 保压组件装配方法、保压方法及自动化保压系统 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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DE3643803A1 (de) * | 1986-12-20 | 1988-06-30 | Uni Cardan Ag | Montagevorrichtung fuer gebaute nockenwellen und verfahren zur montage |
DE19842318A1 (de) * | 1998-09-16 | 2000-03-23 | Anton Bauer Werkzeug Und Masch | Vorrichtung zum Innenhochdruckumformen |
DE19955285A1 (de) * | 1999-11-17 | 2001-05-31 | Siempelkamp Pressen Sys Gmbh | Umformpressenanlage für Innenhochdruckumformung |
Family Cites Families (8)
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JPS6167525A (ja) * | 1984-09-11 | 1986-04-07 | Nippon Piston Ring Co Ltd | カムシヤフト |
JPS61266132A (ja) * | 1985-05-21 | 1986-11-25 | Musashi Seimitsu Ind Co Ltd | 組立カムシヤフトの製造方法 |
US5220727A (en) * | 1992-06-25 | 1993-06-22 | Hochstein Peter A | Method making cam shafts |
DE4427201C2 (de) * | 1993-11-26 | 1996-09-12 | Ges Innenhochdruckverfahren | Verfahren zur Herstellung von hohlen Nockenwellen |
US5406686A (en) * | 1994-02-18 | 1995-04-18 | Hochstein; Peter A. | Deflagration apparatus for making a cam shaft |
JP3554273B2 (ja) * | 1997-10-20 | 2004-08-18 | ボーリンガー,ヨーゼフ | 一本の管から軸を製造する方法、一本の管から軸を製造する装置及び一本の管から製造されるカムシャフト |
DE19831333A1 (de) * | 1998-07-13 | 2000-01-27 | Neumayer Erich Gmbh Co Kg | Verfahren zum Befestigen von Bauteilen auf einer Hohlwelle |
DE10150092C1 (de) * | 2001-10-11 | 2003-04-03 | Salzgitter Antriebstechnik Gmb | Verfahren zum Beschicken von IHU-Pressen und Einrichtung zur Durchführung des Verfahrens |
-
2001
- 2001-10-11 DE DE10150092A patent/DE10150092C1/de not_active Expired - Lifetime
-
2002
- 2002-10-04 DE DE10294674T patent/DE10294674D2/de not_active Expired - Fee Related
- 2002-10-04 CA CA2474396A patent/CA2474396C/en not_active Expired - Lifetime
- 2002-10-04 DE DE50212028T patent/DE50212028D1/de not_active Expired - Lifetime
- 2002-10-04 WO PCT/DE2002/003746 patent/WO2003033189A1/de active IP Right Grant
- 2002-10-04 EP EP02776776A patent/EP1434661B1/de not_active Expired - Lifetime
- 2002-10-04 AT AT02776776T patent/ATE390969T1/de active IP Right Revival
-
2004
- 2004-04-06 US US10/819,242 patent/US7331095B2/en not_active Expired - Lifetime
-
2008
- 2008-01-15 US US12/014,614 patent/US7574889B2/en not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3643803A1 (de) * | 1986-12-20 | 1988-06-30 | Uni Cardan Ag | Montagevorrichtung fuer gebaute nockenwellen und verfahren zur montage |
DE19842318A1 (de) * | 1998-09-16 | 2000-03-23 | Anton Bauer Werkzeug Und Masch | Vorrichtung zum Innenhochdruckumformen |
DE19955285A1 (de) * | 1999-11-17 | 2001-05-31 | Siempelkamp Pressen Sys Gmbh | Umformpressenanlage für Innenhochdruckumformung |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009533809A (ja) * | 2006-04-10 | 2009-09-17 | ケンブリッジ ディスプレイ テクノロジー リミテッド | 電気装置及びその製造方法 |
EP2745951A1 (de) | 2012-12-20 | 2014-06-25 | C.R.F. Società Consortile per Azioni | Verfahren zur Herstellung einer Nockenwelle in einem Verbrennungsmotor |
WO2014096988A1 (en) | 2012-12-20 | 2014-06-26 | C.R.F. Società Consortile Per Azioni | Method for producing a camshaft for an internal-combustion engine |
Also Published As
Publication number | Publication date |
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US20080178462A1 (en) | 2008-07-31 |
ATE390969T1 (de) | 2008-04-15 |
DE50212028D1 (de) | 2008-05-15 |
DE10150092C1 (de) | 2003-04-03 |
US7574889B2 (en) | 2009-08-18 |
US20050015952A1 (en) | 2005-01-27 |
US7331095B2 (en) | 2008-02-19 |
CA2474396A1 (en) | 2003-04-24 |
EP1434661A1 (de) | 2004-07-07 |
CA2474396C (en) | 2010-12-21 |
DE10294674D2 (de) | 2004-04-15 |
EP1434661B1 (de) | 2008-04-02 |
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