EP0725693A1 - Method for the non-cutting production of a transmission component hub - Google Patents
Method for the non-cutting production of a transmission component hubInfo
- Publication number
- EP0725693A1 EP0725693A1 EP94909865A EP94909865A EP0725693A1 EP 0725693 A1 EP0725693 A1 EP 0725693A1 EP 94909865 A EP94909865 A EP 94909865A EP 94909865 A EP94909865 A EP 94909865A EP 0725693 A1 EP0725693 A1 EP 0725693A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- sheet metal
- tool
- hub
- tool pin
- metal plate
- 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
- 238000000034 method Methods 0.000 title claims abstract description 30
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 238000005520 cutting process Methods 0.000 title claims abstract description 8
- 230000005540 biological transmission Effects 0.000 title abstract description 4
- 238000003825 pressing Methods 0.000 claims abstract description 17
- 239000002184 metal Substances 0.000 claims description 30
- 230000008569 process Effects 0.000 claims description 14
- 238000007493 shaping process Methods 0.000 claims description 3
- 230000008719 thickening Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims 1
- 239000000463 material Substances 0.000 description 8
- 238000009987 spinning Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 238000005242 forging Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010409 ironing Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
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
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/14—Spinning
- B21D22/16—Spinning over shaping mandrels or formers
-
- 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
- B21D53/26—Making other particular articles wheels or the like
- B21D53/261—Making other particular articles wheels or the like pulleys
-
- 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
- Y10T29/49481—Wheel making
- Y10T29/49492—Land wheel
- Y10T29/49533—Hub making
- Y10T29/49536—Hub shaping
Definitions
- the invention relates to a method for the non-cutting production of a hub of a gear part comprising the hub from a sheet metal plate.
- Gear parts designed as sprockets or as pulleys, in particular poly-V belt pulleys, are used extensively in motor vehicle construction and are nowadays often produced from a round blank by pressing processes.
- the formation of the toothing and / or the grooves is also possible in the pressing process, while the installation of the required hub is difficult.
- the actual hub is a sleeve-shaped in the area of the axis of rotation
- the hub of a gear part is produced by connecting a prefabricated cylindrical sleeve part to the gear part, four methods being used as the connection, namely one soldering of the two components , welding the two components, the connection of the two components by friction welding and finally it is possible to manufacture the gear part by a forging process.
- the cost of producing the hub as a turned part is relatively high.
- Manufacture sheet metal parts these outer lamellar beams are manufactured in two press passes. A total of 27 processing stages are required to produce such an outer arm. They comprise 10 drawing, 7 calibration, 2 ironing and drawing processes, 7 cutting processes and 1 upsetting process. The structure is torn apart by the drawing work, i. H. the material structure is tired. In addition, pulling operations are usually associated with inaccuracies which can have a disadvantageous effect on a transmission part.
- the object of the invention is to simplify the generic method and to carry it out in one work step without the material structure of the transmission part being influenced undesirably.
- the hub of the gear part is produced in one work step, but it is also possible that the wall thickness of the hub is greater or greater than the wall thickness of the sheet metal plate of the gear part, so that the required strength is achieved here to transmit the torque is reached.
- the hub is molded onto the intermediate pulley product in one setting on a spinning machine.
- the method is used, there is the possibility of producing intermediate pulley products for all known production methods for pulleys, since the thicknesses in the contour area and in the professional area of the intermediate pulley products are determined by the pressing method used. Exemplary embodiments of the methods according to the invention are explained below with reference to the drawings. The drawings show in
- Fig. 1 a clamped hood in one
- FIG. 5 shows a sheet metal plate inserted into a pressing device
- FIG. 6 the deformation of the sheet metal plate to
- a hood 2 is shown, which is fixed to a tool 3 of a main spindle 4 by a chuck 15 belonging to the tool 3. 35
- the tool 3 has a zen in the axial direction trisch projecting tool pin 5, which rests on the inside of the clamped hood 2 or comes to rest, with a front 8 is applied to the outside of the hood 2.
- the double arrow F shown in FIG. 1 clarifies the direction of movement of the main spindle 4 and the step-up 8 for fixing the hood 2.
- FIG. 2 shows that the cover 2 is deformed in the direction of the cylindrical tool pin 5 by the action of pressure rollers 9 and 10, the deformation then being continued as far as possible by using a form roller 11 shown in FIG. 3 until the hood has wrapped around the tool pin 5.
- the hood 2 has partially applied as a round 6 to the top of the tool 3, while the remaining part of the hood 2 has waved around the tool pin 5 according to FIG. 3.
- this undulating region around the tool pin 5 is pressed together by thickening rollers 1 and 12 and 14, the part of the hood 2 then serving as a hub is cylindrical, the wall thickness of this cylindrical part Projection 7 can be greater than the wall thickness of the blank.
- the delivery 1 direction of the compression rollers 12 and 14 is illustrated by the arrows F in FIG. 4.
- the cylindrical projection 7 so that it can receive a shaft or a pin.
- the opening of the cylindrical projection 7 can either be done by cutting off the bead of the cylindrical projection 7 shown in FIG. 4, but it is also possible to cover the end wall of the cylindrical projection 7 with holes or the like. to open so that the hub finally achieved has the bulge which contributes to the strength.
- the flanges 16 and 17 can then be machined to design the gear part.
- 21 denotes a sheet metal plate 35 which is connected to a main spindle 22 arranged tool is arranged in that in the illustrated embodiment, the tool 23 carries a tool pin 24 onto which the sheet metal plate 21 can be placed by means of a hole provided centrally in the sheet metal plate.
- 25 is a front attachment which is movable back and forth and comes into contact with the tool pin 24 in its working position.
- the presetter 25 has in the area of the sheet metal plate 21 an outer diameter that is larger than the outer diameter of the tool pin 24, so that thereby a stop designated in the drawing with 34 is created, to which the inner part of the sheet metal plate deforms Can create sheet metal.
- a chuck working together with the tool 23 is designated, which, after a pressure roller 26 has bent the outer edge region of the sheet metal plate, defines this edge area of the sheet metal plate 21, so that migration of the sheet metal plate is prevented.
- the pressure roller 21 can be moved towards the tool pin 24 in the direction of the arrow shown in FIG. 6 and, as this is particularly clearly shown in FIG. 7, reduces the mean wall thickness of the sheet metal plate 21, this being due to the pressure roller 26 pressed material flows into the space which is present around the tool pin 24 and, as is clearly shown in FIG. 8, bears against the stop 34, so that a cylindrical projection 28 is thereby created which is in the intermediate pulley product the actual hub 27 according to FIG. 9 forms. From the drawing, in particular in comparison to FIGS.
- edge area of the sheet metal plate 21 defined by the chuck 29 is thicker than the central edge area of the sheet metal plate 21 and that again the cylindrical projection 28 is essential has a greater material thickness than the central edge region of the sheet metal plate 21.
- the edge area of the sheet metal plate 21 defined by the chuck 29 is thicker than the central edge area of the sheet metal plate 21 and that again the cylindrical projection 28 is essential has a greater material thickness than the central edge region of the sheet metal plate 21.
- this wall thickness of the cylindrical projection 28 can be determined.
- the trailing roller 35 15 shown in FIGS. 7 and 8 prevents the material of the sheet metal plate 21 from bending up during the pressing process.
- the pulley - as under ⁇ . and shown - should have a contour area K. and possibly a perforation 11, this contour area can possibly be made with the perforation on a press from that of the
- the material structure of the intermediate pulley product is not subject to any negative influences, such as. B. in welding and forging,
- the inside diameter of the hub can be produced by the pressing process without subsequent rolling
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Forging (AREA)
- Apparatuses For Bulk Treatment Of Fruits And Vegetables And Apparatuses For Preparing Feeds (AREA)
Abstract
Description
Claims
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4342086 | 1993-12-09 | ||
DE4342086 | 1993-12-09 | ||
DE4400257A DE4400257C1 (en) | 1993-12-09 | 1994-01-07 | Metal spinning method for the chipless production of a hub of a gearing component having the hub |
DE4400257 | 1994-01-07 | ||
PCT/DE1994/000209 WO1994020235A1 (en) | 1993-03-02 | 1994-02-23 | Method for the non-cutting production of a transmission component hub |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0725693A1 true EP0725693A1 (en) | 1996-08-14 |
EP0725693B1 EP0725693B1 (en) | 1997-07-30 |
Family
ID=25931922
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP94909865A Expired - Lifetime EP0725693B1 (en) | 1993-12-09 | 1994-02-23 | Method for the non-cutting production of a transmission component hub |
Country Status (5)
Country | Link |
---|---|
US (1) | US5619879A (en) |
EP (1) | EP0725693B1 (en) |
JP (1) | JP3053219B2 (en) |
CA (1) | CA2161020C (en) |
ES (1) | ES2107817T3 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1998036858A1 (en) * | 1997-02-19 | 1998-08-27 | Wf-Maschinenbau Und Blechformtechnik Gmbh & Co. Kommanditgesellschaft | Method for producing without cutting a gear part having a hub |
Families Citing this family (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5737836A (en) * | 1996-05-03 | 1998-04-14 | Borg-Warner Automotive, Inc. | Method of making a splined turbine hub |
US5951422A (en) * | 1996-06-24 | 1999-09-14 | The Gates Corporation | Hub and pulley with radially inward annular collar |
JP3325184B2 (en) * | 1996-07-01 | 2002-09-17 | 三菱電機株式会社 | Manufacturing apparatus and manufacturing method for yoke of planetary reduction starter |
US5947853A (en) * | 1996-08-15 | 1999-09-07 | The Gates Corporation | Spun pulley with thick hub |
IT1294282B1 (en) * | 1997-07-28 | 1999-03-24 | Ducati Energia Spa | PROCESS FOR FORMING ROTORS FOR MAGNETO GENERATORS, AND ROTOR SO FORMED |
DE19849981C5 (en) * | 1998-10-29 | 2006-04-20 | Leifeld Metal Spinning Gmbh | Method for forming a disc-shaped part with hub and spinning roller for the process |
DE19916280A1 (en) * | 1999-02-16 | 2000-08-24 | Wf Maschinenbau Blechformtech | Non-swarf-producing device for making hub, forming projecting nose and recess of appropriate height and depth |
JP2001009546A (en) * | 1999-06-30 | 2001-01-16 | Kubota Tekkosho:Kk | Manufacture of hollow shaft having a flange at one end |
WO2001007181A1 (en) * | 1999-07-28 | 2001-02-01 | Kanemitsu Corporation | Sheet metal member and method of manufacturing the member |
US6348020B2 (en) * | 1999-10-19 | 2002-02-19 | The Gates Corporation | Internal spun hub and method of making same |
DE10033089A1 (en) * | 2000-02-15 | 2001-08-23 | Wf Maschinenbau Blechformtech | Process for the non-cutting production of a component with a hub |
JP3812329B2 (en) | 2000-03-14 | 2006-08-23 | 日産自動車株式会社 | Plastic working method |
US6293885B1 (en) * | 2000-03-14 | 2001-09-25 | The Gates Corporation | Idler pulley |
US6598443B2 (en) | 2000-04-26 | 2003-07-29 | A. J. Rose Manufacturing Co. | Blind bore hub and method of forming |
US6427329B2 (en) | 2000-04-26 | 2002-08-06 | A. J. Rose Manufacturing Co. | Method of forming a hub with blind bore |
US6731043B2 (en) * | 2001-10-22 | 2004-05-04 | A. J. Rose Manufacturing Co. | One-piece field core shell |
DE502004005869D1 (en) | 2003-11-17 | 2008-02-14 | Wf Maschinenbau Blechformtech | METHOD FOR PRODUCING A FLANGE ON A LEAD ENGINE |
JP4352927B2 (en) * | 2004-02-20 | 2009-10-28 | 日本精工株式会社 | Method for manufacturing race ring member constituting hub unit for supporting wheel |
EP1834715A4 (en) * | 2004-12-10 | 2010-05-26 | Kanemitsu Corp | Method of manufacturing sheet metal back face pulley |
CN100333849C (en) * | 2005-11-04 | 2007-08-29 | 刘宪福 | Machine of turning rim for shaped cap seal head |
DE102007023972A1 (en) | 2007-05-23 | 2008-11-27 | Wf-Maschinenbau Und Blechformtechnik Gmbh & Co Kg | Method for producing a hub in the pressing method by means of at least one rotatable spinning roller |
US8561283B1 (en) | 2007-10-29 | 2013-10-22 | Prestolite Performance, Llc | Method to provide a universal bellhousing between an engine and transmission of a vehicle |
US9482308B2 (en) | 2011-01-26 | 2016-11-01 | Accel Performance Group Llc | Automotive flywheel with fins to increase airflow through clutch, method of making same, and heat management method |
US20120186936A1 (en) | 2011-01-26 | 2012-07-26 | Prestolite Performance Llc. | Clutch assembly cover, method of making same, and optional heat management |
CN102728688A (en) * | 2011-04-01 | 2012-10-17 | 北京超代成科技有限公司 | Non-cutting processing method and device for unilateral press forming of bottom surface of metal sheet |
CN102151737A (en) * | 2011-04-25 | 2011-08-17 | 董利强 | Pulley blank spinning process |
EP2653244B1 (en) | 2012-04-20 | 2014-12-17 | Leifeld Metal Spinning AG | Device and method for forming a workpiece |
CN103962432A (en) * | 2013-09-27 | 2014-08-06 | 东风襄阳旋压技术有限公司 | Rotary pushing and deep drawing spinning tool for deep bosses |
FR3034152B1 (en) * | 2015-03-24 | 2018-07-20 | Aktiebolaget Skf | BEARING COMPRISING AN OVERMOLDED WEAR, AND METHOD OF MANUFACTURING THE SAME |
US10502306B1 (en) | 2016-04-25 | 2019-12-10 | Accel Performance Group Llc | Bellhousing alignment device and method |
DE102016115791A1 (en) | 2016-08-25 | 2018-03-01 | WF-Maschinenbau- und Blechformtechnik GmbH & Co. Kommanditgesellschaft | Method for chipless production of a rotationally symmetrical body from a sheet metal blank |
JP2019171414A (en) * | 2018-03-28 | 2019-10-10 | アイシン・エィ・ダブリュ株式会社 | Boss part molding method |
DE102018208820A1 (en) * | 2018-06-05 | 2019-12-05 | BSH Hausgeräte GmbH | Electric propulsion engine, wet runner pump and home appliance |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE514584C (en) * | 1930-12-15 | Wilhelm Schroer | Process for the production of seamless cylindrical hollow bodies | |
US1108260A (en) * | 1910-04-05 | 1914-08-25 | Edwin E Slick | Method of and apparatus for forging car-wheels. |
US1500261A (en) * | 1921-04-18 | 1924-07-08 | Montour Aluminum Soldering Cor | Sheet-metal-spinning machine |
US2624303A (en) * | 1948-07-06 | 1953-01-06 | United Aircraft Prod | Machine for metalworking |
US2696740A (en) * | 1950-02-18 | 1954-12-14 | Lester T Zatko | Hubbed sheet metal pulley |
US3120206A (en) * | 1959-03-09 | 1964-02-04 | Lodge & Shipley Co | Metal working |
US4056291A (en) * | 1975-08-04 | 1977-11-01 | Aspro, Inc. | Clutch housing and bearing assembly and method of making the same |
US4996859A (en) * | 1989-10-23 | 1991-03-05 | A. J. Rose Manufacturing Company | Method and apparatus for roll forming metal |
-
1994
- 1994-02-23 US US08/571,937 patent/US5619879A/en not_active Expired - Lifetime
- 1994-02-23 ES ES94909865T patent/ES2107817T3/en not_active Expired - Lifetime
- 1994-02-23 CA CA002161020A patent/CA2161020C/en not_active Expired - Fee Related
- 1994-02-23 JP JP6519448A patent/JP3053219B2/en not_active Expired - Fee Related
- 1994-02-23 EP EP94909865A patent/EP0725693B1/en not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
See references of WO9420235A1 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1998036858A1 (en) * | 1997-02-19 | 1998-08-27 | Wf-Maschinenbau Und Blechformtechnik Gmbh & Co. Kommanditgesellschaft | Method for producing without cutting a gear part having a hub |
Also Published As
Publication number | Publication date |
---|---|
CA2161020A1 (en) | 1994-09-15 |
ES2107817T3 (en) | 1997-12-01 |
US5619879A (en) | 1997-04-15 |
EP0725693B1 (en) | 1997-07-30 |
JPH09506295A (en) | 1997-06-24 |
CA2161020C (en) | 2000-10-31 |
JP3053219B2 (en) | 2000-06-19 |
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