WO2005047024A1 - Mittlere trägereinheit eines achsbrückengehäuses für kraftfahrzeuge und herstellungsverfahren - Google Patents
Mittlere trägereinheit eines achsbrückengehäuses für kraftfahrzeuge und herstellungsverfahren Download PDFInfo
- Publication number
- WO2005047024A1 WO2005047024A1 PCT/EP2004/012331 EP2004012331W WO2005047024A1 WO 2005047024 A1 WO2005047024 A1 WO 2005047024A1 EP 2004012331 W EP2004012331 W EP 2004012331W WO 2005047024 A1 WO2005047024 A1 WO 2005047024A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- carrier unit
- motor vehicles
- welded
- sheet metal
- axle
- 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
- B21D53/00—Making other particular articles
- B21D53/88—Making other particular articles other parts for vehicles, e.g. cowlings, mudguards
- B21D53/90—Making other particular articles other parts for vehicles, e.g. cowlings, mudguards axle-housings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B35/00—Axle units; Parts thereof ; Arrangements for lubrication of axles
- B60B35/12—Torque-transmitting axles
- B60B35/16—Axle housings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/08—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling structural sections, i.e. work of special cross-section, e.g. angle steel
- B21B1/095—U-or channel sections
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
- B21B27/02—Shape or construction of rolls
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B2310/00—Manufacturing methods
- B60B2310/20—Shaping
- B60B2310/212—Shaping by drawing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B2310/00—Manufacturing methods
- B60B2310/20—Shaping
- B60B2310/224—Shaping by rolling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B2310/00—Manufacturing methods
- B60B2310/30—Manufacturing methods joining
- B60B2310/302—Manufacturing methods joining by welding
- B60B2310/3026—Manufacturing methods joining by welding by laser welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B2360/00—Materials; Physical forms thereof
- B60B2360/10—Metallic materials
- B60B2360/102—Steel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B2360/00—Materials; Physical forms thereof
- B60B2360/10—Metallic materials
- B60B2360/104—Aluminum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B2360/00—Materials; Physical forms thereof
- B60B2360/14—Physical forms of metallic parts
- B60B2360/141—Sheet-metals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B2900/00—Purpose of invention
- B60B2900/10—Reduction of
- B60B2900/112—Costs
-
- 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
- Y10T29/49893—Peripheral joining of opposed mirror image parts to form a hollow body
-
- 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
- Y10T74/00—Machine element or mechanism
- Y10T74/21—Elements
- Y10T74/2186—Gear casings
- Y10T74/2188—Axle and torque tubes
Definitions
- the invention relates to an axle bridge housing for motor vehicles according to the preamble of claim 1. Furthermore, the invention relates to a manufacturing method for an axle bridge housing for motor vehicles according to the one-part patent claim 6.
- the unpublished DE 102 55 209.6-21 describes a central carrier unit of an axle bridge housing for motor vehicles.
- This carrier unit is designed as a shaped part.
- the object of the invention is to provide an inexpensive medium carrier unit for an axle bridge housing for motor vehicles.
- Rolled sheet metal is particularly cost-effective. In contrast to a formed bent part, which is bent or pressed from blanks without rolling, there is no or less waste when rolling, since no blanks with a proportionately high amount of waste have to be produced. In contrast to gray cast iron, sheet metal can be easily welded. This means that the axle units through which the axle shaft parts run can be welded without any problems.
- the laser welding process can be used in particular as the welding process for the thin-walled sheets. However, any other welding process is also possible. For example, the electric welding process or the electron beam welding process may be mentioned.
- the production of the carrier unit from a sheet metal, which is designed as a closed welded ring, is particularly advantageous since only a single component thus forms the complete base body of the carrier unit.
- a two-part system is advantageously not necessary.
- the shape of a closed ring particularly advantageously requires only a short weld seam at the ends of the sheet rolled into a ring. The welding of such an annular carrier unit is thus possible quickly and with little use of welding material.
- the ring does not have to be circular, but can open one
- the differential case shape or have an optimized shape.
- Partially elliptical forms can be particularly advantageous.
- the carrier unit can also consist of two sheet metal parts that are welded together. If these two sheet metal parts are identical parts, this has a cost-effective effect, since both parts can be produced on the same rolling machine without changing the production program.
- the two identical parts can be processed differently after the rolling process.
- an upper sheet metal part can be further processed to accommodate an axle spring system.
- This axle spring system can be an air bellows carrier which is integrated in the axle bridge and is fastened close to the carrier unit.
- Claim 8 shows a particularly inexpensive manufacturing method for an axle bridge housing. This involves the preparation of the weld seam, ie in particular the production of a weld joint. Since narrower tolerances can be maintained in the rolling method according to the invention than, for example, when pressing the carrier unit from sheet metal, the weld joint does not necessarily have to be worked in after the sheet metal has been rolled. By already working on the band plate or the u-shaped plate during the manufacture of the band plate or the u-shaped plate for the production of the weld joint, such a step “welding joint” is omitted in the following work steps Inclines, which later form the weld joint, are formed into the sheet without cutting. In a particularly advantageous manner, it is alternatively also possible to carry out the weld preparation during the rolling process for producing the carrier unit. Ie the "bevels for the weld joint are also rolled into the sheet during rolling.
- FIG. 1 shows a central carrier unit of an axle bridge housing in a first embodiment alternative
- FIG. 2 shows the central carrier unit from FIG. 1 in a view according to line II-II from FIG. 1,
- FIG. 3 shows a middle carrier unit of an axle bridge housing in a second embodiment alternative
- FIG. 4 shows the central carrier unit from FIG. 3 in a view according to line IV-IV from FIG. 3,
- Fig. 5 in an exploded view, a central carrier unit, a cover and a two-part reinforcing ring and
- Fig. 6 shows schematically two rollers for producing a central carrier unit with a u-shaped profile.
- DE 102 55 209.6-21 describes writes an axle bridge, which is composed, among other things, of a central carrier unit and two axle units fixed on the opposite sides so that they cannot move.
- Carrier unit 1 shows a central carrier unit 1 of an axle bridge housing in a first embodiment alternative.
- Carrier unit 1 has - seen in simplified terms - the shape of a ring with a U-shaped profile 2.
- the basic shape of the ring is a hollow cylinder which has partially elliptical bulges 3, 4 on the two sides facing the axis units. These partially elliptical bulges 3, 4 each have an additional bend 5, 6, from which a circular cutout 7, 8 is sawn out, so that the two axle units shown in DE 102 55 209.6-21 can be welded there. This welding can be done, for example, with the laser welding process.
- the two ends of the ring-shaped carrier unit 1 are butted and are also laser-welded by means of a weld 9.
- This weld 9 lies in the middle vertical division plane of the carrier unit 1.
- the weld 9 lies in the installed position of the carrier unit 1 below.
- the weld seam could also be at the top in the installed position of the carrier unit 1.
- FIG. 2 shows the central carrier unit 1 from FIG. 1 in a view along line II-II from FIG. 1.
- the U-shaped profile 2 can be clearly seen.
- the carrier unit 1 receives its shape in the rolling process. Ie a steel strip or alternatively a U-shaped pre-formed steel sheet is rolled into said shape along two rollers.
- 3 shows a central support unit 10 of an axle bridge house in a second embodiment alternative.
- the carrier unit here consists of two rolled U-shaped plates 11, 12. These two plates 11, 12 have the same shape and are arranged in mirror symmetry with respect to the central horizontal plane 13 of the carrier unit 10. The two sheets 11, 12 are laser welded together at their two end regions.
- the two sheets 11, 12 gap apart so that there is a hollow cylindrical shape in the center, which tapers to the two diametrically arranged sides.
- the material waste is kept as small as possible.
- the lateral openings 14a, 14b, to which the two axle units are welded, have a rounded rectangular shape 15, since this shape 15 results from the two u-shaped sheets 11, 12 welded together, which face each other openly, as shown in FIG 4 can be seen.
- FIG. 5 shows, using a complete axle bridge housing 100, how the middle support units 1, 10 are reinforced and closed according to the first two design alternatives FIGS. 1, 2 and 3, 4.
- a cover 101 is provided on the one hand, and a reinforcement ring 102 divided into two is provided on the other.
- the two-part reinforcement ring 102 comprises the two ring segments 103, 104.
- a hollow cylindrical opening is formed in the center. This hollow cylindrical opening is closed by means of the cover 101 when viewed from the rear.
- This cover 101 consists of deep-drawn sheet metal and is laser-welded to the carrier unit 1 or 10.
- the two ring segments 103, 104 are laser-welded to the carrier unit slightly radially outside the outer edge of the hollow cylindrical opening.
- the central region is particularly stiff, so that the high supporting forces can be absorbed, which are introduced into the carrier unit by an differential gear arranged within the hollow cylinder shape.
- FIG. 6 schematically shows two rollers 200, 201 for producing a central carrier unit 202 with a U-shaped profile.
- One roller 200 is referred to as a positive shape and pulls the band plate when rotating together with the second roller, which forms the negative form, through a U-shaped gap between the two rollers 200, 201.
- the rollers roll on both sides of the band plate.
- the band plate can be designed both as a flat sheet metal band and as a preformed U-shaped sheet metal band.
- the sheet is preferably sheet steel.
- the use of aluminum sheet is also possible to save weight and to carry out the rolling process with less force.
- the aluminum material can be welded with axle units made of aluminum. Any technically feasible welding process is possible with all of the welds carried out in the exemplary embodiments. This applies in particular to the weld seam at the joint of the carrier part according to FIG. 1, the weld seams between the two U-shaped sheets according to FIG. 3, the weld seams on the approximately triangular sheet metal pieces which are located in the outlets according to FIG. 3 and the weld seams the two-part reinforcement ring.
- the laser welding process can use the metal-active gas fusion welding process, i.e. the MAG welding process the laser hybrid welding process, which is a combination of laser gas-shielded gas welding and metal gas-shielded welding, is used.
- the metal-active gas fusion welding process i.e. the MAG welding process
- the laser hybrid welding process which is a combination of laser gas-shielded gas welding and metal gas-shielded welding, is used.
- the rolling machine is programmable in order to produce the shapes deviating from the simple circular shape according to the first and the second design alternative of the central carrier unit 1 or 10.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
- Vehicle Body Suspensions (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BRPI0416480-6A BRPI0416480A (pt) | 2003-11-12 | 2004-10-30 | unidade de suporte central de um alojamento de suporte de eixo para veìculos a motor |
EP04791084A EP1682359A1 (de) | 2003-11-12 | 2004-10-30 | Mittlere trägereinheit eines achsbrückengehäuses für kraftfahrzeuge und herstellungsverfahren |
JP2006538723A JP2007510579A (ja) | 2003-11-12 | 2004-10-30 | 自動車用アクスルハウジングの中央支持ユニット及び製造方法 |
US10/578,827 US20070132307A1 (en) | 2003-11-12 | 2004-10-30 | Central support unit of an axle bracket housing for motor vehicles |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10352726.5 | 2003-11-12 | ||
DE10352726A DE10352726A1 (de) | 2003-11-12 | 2003-11-12 | Mittlere Trägereinheit eines Achsbrückengehäuses für Kraftfahrzeuge und Herstellungsverfahren |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005047024A1 true WO2005047024A1 (de) | 2005-05-26 |
Family
ID=34584992
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2004/012331 WO2005047024A1 (de) | 2003-11-12 | 2004-10-30 | Mittlere trägereinheit eines achsbrückengehäuses für kraftfahrzeuge und herstellungsverfahren |
Country Status (6)
Country | Link |
---|---|
US (1) | US20070132307A1 (de) |
EP (1) | EP1682359A1 (de) |
JP (1) | JP2007510579A (de) |
BR (1) | BRPI0416480A (de) |
DE (1) | DE10352726A1 (de) |
WO (1) | WO2005047024A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006136317A1 (de) * | 2005-06-18 | 2006-12-28 | Daimlerchrysler Ag | Achsbrückengehäuse und geeignete trägereinheit |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080079308A1 (en) * | 2006-09-29 | 2008-04-03 | Martinrea Industries, Inc. | Automotive axle housing and method of making same |
US20080227581A1 (en) * | 2007-03-12 | 2008-09-18 | Catalano Michael J | Axle housing with differential bearing support |
DE102008000446A1 (de) * | 2008-02-29 | 2009-09-03 | Zf Friedrichshafen Ag | Achsgehäuse eines Kraftfahrzeuges |
DE102008028172A1 (de) | 2008-06-12 | 2009-01-15 | Daimler Ag | Achsbrücke mit einem Mittelteil und wenigstens einem Tragarm |
US8776374B2 (en) | 2010-04-30 | 2014-07-15 | Trimtool Ltd. O/A 1823912 Ontario Inc. | Method and apparatus for manufacturing an axle for a vehicle |
US9109689B2 (en) * | 2013-02-27 | 2015-08-18 | American Axle & Manufacturing, Inc. | Axle assembly having banjo beam and strengthened coverpan |
US10207539B2 (en) | 2017-01-31 | 2019-02-19 | Dana Heavy Vehicle Systems Group, Llc | Vehicle spindle and a method of attaching the spindle to a portion of an axle housing |
DE102017107725A1 (de) * | 2017-04-10 | 2018-10-11 | Bpw Bergische Achsen Kg | Verfahren zum Herstellen eines Achskörpers einer Fahrzeugachse sowie Achskörper einer Fahrzeugachse |
DE102017112841A1 (de) * | 2017-06-12 | 2018-12-13 | Man Truck & Bus Ag | Achskörper für ein Nutzfahrzeug und Herstellungsverfahren hierfür |
US11384810B2 (en) * | 2018-10-22 | 2022-07-12 | Tenneco Automotive Operating Company Inc. | Damper with two-piece shell |
CN114713724B (zh) * | 2022-06-09 | 2022-08-30 | 北京科技大学 | 一种汽车桥壳用高强钢中厚板坯的加热装备及冲压工艺 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2167088A (en) * | 1937-03-05 | 1939-07-25 | Clark Equipment Co | Axle housing and method of making same |
US2178350A (en) * | 1937-03-05 | 1939-10-31 | Clark Equipment Co | Method of making axle housings |
US3793703A (en) * | 1970-10-10 | 1974-02-26 | Emuco Ag Fur Maschinenbau | Process for fabricating rear axle housing for motor vehicles |
US5406819A (en) * | 1991-12-31 | 1995-04-18 | Wang; Xiandong | Method and equipment for forming the axle housing of an automobile using an integral steel tube |
DE19648396A1 (de) * | 1996-07-26 | 1998-01-29 | Witte Stephan Gmbh Co Kg | Achskörper für eine Achse, insbesondere Hinterachse von Kraftfahrzeugen |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1903088A (en) * | 1930-09-08 | 1933-03-28 | Gen Motors Corp | Axle housing and method of making the same |
US3015238A (en) * | 1959-12-10 | 1962-01-02 | Eaton Mfg Co | Axle housing |
DE3526272A1 (de) * | 1985-07-23 | 1986-09-25 | Daimler-Benz Ag, 7000 Stuttgart | Achsbruecke fuer nutzfahrzeuge |
US5297855A (en) * | 1992-07-16 | 1994-03-29 | Dana Corporation | Banjo-type axle housing |
JP2003034106A (ja) * | 2001-07-23 | 2003-02-04 | Toyota Motor Corp | アクスルハウジング及びその製造方法 |
-
2003
- 2003-11-12 DE DE10352726A patent/DE10352726A1/de not_active Withdrawn
-
2004
- 2004-10-30 JP JP2006538723A patent/JP2007510579A/ja active Pending
- 2004-10-30 WO PCT/EP2004/012331 patent/WO2005047024A1/de active Application Filing
- 2004-10-30 BR BRPI0416480-6A patent/BRPI0416480A/pt not_active IP Right Cessation
- 2004-10-30 EP EP04791084A patent/EP1682359A1/de not_active Withdrawn
- 2004-10-30 US US10/578,827 patent/US20070132307A1/en not_active Abandoned
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2167088A (en) * | 1937-03-05 | 1939-07-25 | Clark Equipment Co | Axle housing and method of making same |
US2178350A (en) * | 1937-03-05 | 1939-10-31 | Clark Equipment Co | Method of making axle housings |
US3793703A (en) * | 1970-10-10 | 1974-02-26 | Emuco Ag Fur Maschinenbau | Process for fabricating rear axle housing for motor vehicles |
US5406819A (en) * | 1991-12-31 | 1995-04-18 | Wang; Xiandong | Method and equipment for forming the axle housing of an automobile using an integral steel tube |
DE19648396A1 (de) * | 1996-07-26 | 1998-01-29 | Witte Stephan Gmbh Co Kg | Achskörper für eine Achse, insbesondere Hinterachse von Kraftfahrzeugen |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006136317A1 (de) * | 2005-06-18 | 2006-12-28 | Daimlerchrysler Ag | Achsbrückengehäuse und geeignete trägereinheit |
Also Published As
Publication number | Publication date |
---|---|
US20070132307A1 (en) | 2007-06-14 |
EP1682359A1 (de) | 2006-07-26 |
BRPI0416480A (pt) | 2007-03-27 |
JP2007510579A (ja) | 2007-04-26 |
DE10352726A1 (de) | 2005-06-23 |
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