EP0764481B1 - Device for forming a collared calibrated hole in plastically deformable walls - Google Patents
Device for forming a collared calibrated hole in plastically deformable walls Download PDFInfo
- Publication number
- EP0764481B1 EP0764481B1 EP96114587A EP96114587A EP0764481B1 EP 0764481 B1 EP0764481 B1 EP 0764481B1 EP 96114587 A EP96114587 A EP 96114587A EP 96114587 A EP96114587 A EP 96114587A EP 0764481 B1 EP0764481 B1 EP 0764481B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- forming
- collar
- mandrel
- plastically deformable
- collared
- 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.)
- Expired - Lifetime
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K21/00—Making hollow articles not covered by a single preceding sub-group
- B21K21/12—Shaping end portions of hollow articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
- B21C37/15—Making tubes of special shape; Making tube fittings
- B21C37/28—Making tube fittings for connecting pipes, e.g. U-pieces
Definitions
- the invention relates to an apparatus for forming a calibrated hole surrounded by a collar in plastically deformable Walls, which in the preamble of claim 1 explained type (see e.g. JP-A-61074735).
- DE-AS 28 02 230 describes a device for forming a hole surrounded by a collar in a metal plate or known in the wall of a metallic tube in which the hole exclusively by means of frictional heat and pressure of a mandrel quickly rotating around its axis becomes.
- Such a device is used for the production of so-called Tube plates required for the production of tube heat exchangers to serve.
- the known device does not provide any suggestion Production of punches surrounded by a collar with a certain calibrated flow cross-section.
- the object of the invention is a device for forming to redesign a hole surrounded by a collar that the manufacture of precisely calibrated throttle bores of a certain flow cross-section with a minimum Manufacturing effort is made possible.
- this object is achieved by a Device for forming a calibrated, surrounded by a collar Hole that explained in the preamble of the claim Kind that indicated in the characterizing part of the claim Features.
- Fig. 1 is a central partition in a gearbox 1 2 made of aluminum, which e.g. a ballast or Overdrive planetary gear set from a main gearbox of a Simpson planetary gear set.
- the middle partition 2 forms an axially extending cylindrical Approach 3 on the radial bearing arrangement 4 and one axial bearing arrangement 5 a clutch component 6 for a multi-plate clutch 7 and a brake band 8 is arranged.
- An input shaft 10 coming from the series planetary gear set is connected to a central support 11, which is connected via a radial Wall 12 has axially extending cylindrical lugs 13 and 14, which with the multi-plate clutch 7 and one another multi-plate clutch 15 cooperate.
- Lubricant bores 16 and 17 arranged over radial Channels 18 and 19 guide lubricant to the bearing assemblies or via further channels 20 to other areas of the transmission hand off.
- Fig. 2 is an inventive device for forming a hole surrounded by a collar in a plastic deformable wall shown, which consists essentially of a Calibration mandrel 25, which has a conical undercut Displacement collar 26 and a cylindrical calibration shaft 27 has.
- FIG. 3 shows the use of the calibration mandrel according to the invention 25 visible at the entry point of the Lubricating oil channel 16 is brought to an effect if required, calibrated passage in the manner of a throttle bore to manufacture.
- the calibration mandrel 25 is thereby axial pressure on the outer surface of the component with the Lubricant channel 16 is placed and the pressure becomes such reinforces that the displacement collar 26 through the material plastic deformation in the direction of that shown in FIG. 3 Displaced arrows, whereby a collar 28 is formed, its inside diameter through the cylindrical part of the calibration shaft 27 of the calibration mandrel 25 is determined.
- the cylindrical part of the calibration shaft ensures an exact calibrated dimensioning of the inner diameter of the collar 28 and thus for a precise definition of Flow through this narrow point.
- Throttle bores preferably in materials such as e.g. aluminum can be applied favorably where by plastic deformation is not too high and displacement of the wall material can be.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
Description
Die Erfindung bezieht sich auf eine Vorrichtung zum Bilden eines von einem Kragen umgebenen, kalibrierten Loches in plastisch verformbaren Wandungen, der im Oberbegriff des Patentanspruches 1 erläuterten Art (siehe z.B. JP-A-61074735).The invention relates to an apparatus for forming a calibrated hole surrounded by a collar in plastically deformable Walls, which in the preamble of claim 1 explained type (see e.g. JP-A-61074735).
Aus der DE-AS 28 02 230 ist eine Vorrichtung zum Bilden eines von einem Kragen umgebenen Loches in einer metallenen Platte oder in der Wand eines metallischen Rohres bekannt, bei der das Loch ausschließlich durch Reibungswärme und Druck mittels eines sich schnell um seine Achse drehenden Dornes hergestellt wird.DE-AS 28 02 230 describes a device for forming a hole surrounded by a collar in a metal plate or known in the wall of a metallic tube in which the hole exclusively by means of frictional heat and pressure of a mandrel quickly rotating around its axis becomes.
Eine solche Vorrichtung wird zur Herstellung von sogenannten Rohrböden benötigt, die zur Herstellung von Röhren-Wärmetauschern dienen.Such a device is used for the production of so-called Tube plates required for the production of tube heat exchangers to serve.
Die bekannte Vorrichtung vermittelt keinerlei Anregung zur Herstellung von einem Kragen umgebenen Lochern mit einem bestimmten kalibrierten Durchflußquerschnitt.The known device does not provide any suggestion Production of punches surrounded by a collar with a certain calibrated flow cross-section.
Die Aufgabe der Erfindung ist es, eine Vorrichtung zum Bilden eines von einem Kragen umgebenen Loches derart umzugestalten, daß die Herstellung von genau kalibrierten Drosselbohrungen eines bestimmten Durchflußquerschnittes mit einem Minimum an Herstellungsaufwand ermöglicht wird.The object of the invention is a device for forming to redesign a hole surrounded by a collar that the manufacture of precisely calibrated throttle bores of a certain flow cross-section with a minimum Manufacturing effort is made possible.
Gemäß der Erfindung wird diese Aufgabe gelöst, indem eine Vorrichtung zum Bilden eines von einem Kragen umgebenen, kalibrierten Loches, der im Oberbegriff des Patentanspruches erläuterten Art, die im Kennzeichenteil des Patentanspruches aufgezeigten Merkmale aufweist.According to the invention, this object is achieved by a Device for forming a calibrated, surrounded by a collar Hole that explained in the preamble of the claim Kind that indicated in the characterizing part of the claim Features.
Die Erfindung wird anhand einer in den beiliegenden Zeichnungen gezeigten Ausführungsform näher erläutert. Es zeigt:
- Fig. 1
- einen Teilschnitt durch ein automatisches Getriebe, wo in bestimmten Bereichen Schmiermittelkanäle verlaufen, die mittels Hülseneinsätzen mit genau kalibrierten Drosselöffnungen versehen werden;
- Fig. 2
- eine Teilansicht einer erfindungsgemäßen Vorrichtung zur Bildung eines von einem Kragen umgebenen Loches und
- Fig. 3
- einen Teilschnitt durch den Bereich im Kreis III in Fig. 1 wo an Stelle der bisher bekannten Hülse mit Drosselbohrung die erfindungsgemäße Ausbildung einer Drosselbohrung aufgezeigt ist.
- Fig. 1
- a partial section through an automatic transmission, where lubricant channels run in certain areas, which are provided with precisely calibrated throttle openings by means of sleeve inserts;
- Fig. 2
- a partial view of an inventive device for forming a hole surrounded by a collar and
- Fig. 3
- a partial section through the area in the circle III in Fig. 1 where, in place of the previously known sleeve with throttle bore, the inventive design of a throttle bore is shown.
In automatischen Getrieben von Kraftfahrzeugen sind eine Vielzahl von Planetenradsätzen, Lamellenkupplungen und Bremsbändern angeordnet, die jeweils mit einer genau zugemessenen ausreichenden Menge von Schmiermittel versehen werden müssen und dementsprechend sind in verschiedenen Bauteilen des automatischen Getriebes eine Anzahl von Schmiermittelkanälen in Form von axialen und radialen Bohrungen vorgesehen, die Schmiermittel den verschiedenen Bereichen zuführen. Damit jeder Bereich die erforderliche Menge an Schmiermittel zugeführt erhält, sind diese Schmiermittelkanäle bisher mit Hülseneinsätzen mit Drosselbohrungen versehen worden, damit der Schmiermittelfluß zu den verschiedenen Bereichen in gezielter Weise abgestimmt werden kann. In automatic transmissions of motor vehicles are one Variety of planetary gear sets, multi-plate clutches and brake bands arranged, each with a precisely measured sufficient amount of lubricant must be provided and accordingly in various components of the automatic Gearbox a number of lubricant channels in Form of axial and radial bores provided that Feed lubricant to the different areas. So everyone Area supplied the required amount of lubricant received, these lubricant channels are so far with sleeve inserts have been provided with throttle bores so that the Lubricant flow to the different areas in a more targeted manner Way can be tuned.
Die Anordnung dieser Hülsen mit Drosselbohrungen erforderte einen zusätzlichen Herstellungs- und Montageaufwand.The arrangement of these sleeves with throttle bores required an additional manufacturing and assembly effort.
In Fig. 1 ist in einem Getriebegehäuse 1 eine Mitteltrennwand
2 aus Aluminium eingesetzt, die z.B. einen Vorschalt- oder
Schnellgang-Planetenradsatz von einem Hauptgetriebe in Form
eines Simpson-Planetenradsatzes trennt. Die Mitteltrennwand 2
bildet hierbei einen sich axial erstreckenden zylindrischen
Ansatz 3 auf dem über eine radiale Lageranordnung 4 und eine
axiale Lageranordnung 5 ein Kupplungsbauteil 6 für eine Lamellenkupplung
7 und ein Bremsband 8 angeordnet ist.In Fig. 1 is a central partition in a gearbox 1
2 made of aluminum, which e.g. a ballast or
Overdrive planetary gear set from a main gearbox
of a Simpson planetary gear set. The
Eine vom Vorschalt-Planetenradsatz kommende Eingangswelle 10 ist mit einem Mittelträger 11 verbunden, der über eine radiale Wand 12 sich axial erstreckende zylindrische Ansätze 13 und 14 aufweist, die mit der Lamellenkupplung 7 bzw. einer weiteren Lamellenkupplung 15 zusammenwirken.An input shaft 10 coming from the series planetary gear set is connected to a central support 11, which is connected via a radial Wall 12 has axially extending cylindrical lugs 13 and 14, which with the multi-plate clutch 7 and one another multi-plate clutch 15 cooperate.
In der Mitteltrennwand 2 sind sich axial erstreckende
Schmiermittelbohrungen 16 und 17 angeordnet, die über radiale
Kanäle 18 und 19 Schmiermittel zu den Lageranordnungen führen
bzw. über weitere Kanäle 20 zu anderen Bereichen des Getriebes
weiterleiten.In the
Wie aus dem Kreis III in Fig. 1 ersichtlich ist, waren an bestimmten
Eintrittsenden der Schmiermittelkanäle 16 Hülsen 21
mit Drosselbohrungen 22 eingesetzt, um die gewünschte Verteilung
des Schmiermittels innerhalb des Getriebes sicherzustellen.As can be seen from the circle III in Fig. 1, certain were
Inlet ends of the
Die Herstellung solcher Blechhülsen 21 mit eingebrachten Drosselbohrungen 22 erforderten einen zusätzlichen Herstellungs- und Montageaufwand. The manufacture of such sheet metal sleeves 21 is also incorporated Throttle bores 22 required additional manufacturing and assembly effort.
Aus Fig. 2 ist eine erfindungsgemäße Vorrichtung zum Bilden
eines von einem Kragen umgebenen Loches in einer plastisch
verformbaren Wandung gezeigt, die im wesentlichen aus einem
Kalibrierdorn 25 besteht, der einen kegelförmig hinterschnittenen
Verdrängungskragen 26 und einen zylindrischen Kalibrierschaft
27 aufweist.From Fig. 2 is an inventive device for forming
a hole surrounded by a collar in a plastic
deformable wall shown, which consists essentially of a
Aus Fig. 3 ist die erfindungsgemäße Anwendung des Kalibrierdornes
25 ersichtlich, der an der Eintrittsstelle des
Schmierölkanales 16 zur Einwirkung gebracht wird, um einen
nach Wunsch kalibrierten Durchgang nach Art einer Drosselbohrung
herzustellen. Der Kalibrierdorn 25 wird hierbei durch
axialen Druck auf die Außenfläche des Bauteiles mit dem
Schmiermittelkanal 16 aufgesetzt und der Druck wird derart
verstärkt, daß der Verdrängungskragen 26 das Material durch
plastisches Verformen in Richtung der aus Fig. 3 ersichtlichen
Pfeile verdrängt, wodurch ein Kragen 28 gebildet wird,
dessen Innendurchmesser durch den zylindrischen Teil des Kalibrierschaftes
27 des Kalibrierdornes 25 bestimmt wird. Beim
Herausziehen des Kalibrierdornes 25 aus der Wandung des Bauteiles
sorgt der zylindrische Teil des Kalibrierschaftes für
eine genaue kalibrierte Dimensionierung des Innendurchmessers
des Kragens 28 und damit für eine genaue Festlegung der
Durchflußmenge durch diese Engstelle.3 shows the use of the calibration mandrel according to the
Es ist darauf hinzuweisen, daß diese Art der Kalibrierung von Drosselbohrungen vorzugsweise in Materialien, wie z.B. Aluminium in günstiger Weise angewendet werden kann, wo durch nicht allzu hohen Beaufschlagungsdruck eine plastische Verformung und Verdrängung des Wandungsmaterials herbeigeführt werden kann.It should be noted that this type of calibration of Throttle bores preferably in materials such as e.g. aluminum can be applied favorably where by plastic deformation is not too high and displacement of the wall material can be.
Claims (1)
- Device for forming a calibrated hole surrounded by a collar (28) in a plastically deformable wall which is provided with a preformed bore (16) of an intermediate diameter, by means of a mandrel driven into the wall by pressure, characterised in thatthe mandrel is in the form of a calibrating mandrel (25) having a conically undercut displacer collar (26) of diameter greater than that of said bore (16) and having a cylindrical part of a calibrating shaft (27) of diameter smaller than that of said bore (16), wherein on driving the mandrel into the wall the displacer collar (26) displaces the material of the wall towards the calibrating shaft (27).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19534790 | 1995-09-20 | ||
DE19534790A DE19534790A1 (en) | 1995-09-20 | 1995-09-20 | Device for forming a hole surrounded by a collar in plastically deformable walls |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0764481A1 EP0764481A1 (en) | 1997-03-26 |
EP0764481B1 true EP0764481B1 (en) | 1998-07-29 |
Family
ID=7772600
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96114587A Expired - Lifetime EP0764481B1 (en) | 1995-09-20 | 1996-09-12 | Device for forming a collared calibrated hole in plastically deformable walls |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0764481B1 (en) |
DE (2) | DE19534790A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19803366A1 (en) * | 1998-01-29 | 1999-08-05 | Bosch Gmbh Robert | Housing block |
DE10064847C1 (en) * | 2000-12-23 | 2002-08-22 | Wetzel Ag Sisseln Sisseln | Method and device for measuring and possibly calibrating a perforation of a workpiece |
EP4083509A1 (en) * | 2021-04-30 | 2022-11-02 | Ansaldo Energia Switzerland AG | Method for calibrating a gas turbine burner during recondition or production by using a calibrating pin |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2127696A1 (en) * | 1971-06-04 | 1973-02-01 | Waeschle Maschf Gmbh | PROCEDURE AND TOOL FOR FASTENING PIN SCREWS OR DGL. IN BOTTOM HOLES IN RELATIVELY THIN PLATES, IN PARTICULAR IRON PLATES |
NL7700871A (en) * | 1977-01-27 | 1978-07-31 | Geffen Tech Adviesbureau Bv | METHOD AND DEVICE FOR MAKING A HOLE IN METAL PLATE OR THE WALL OF A METAL TUBE BY FRICTION HEAT AND PRESSURE. |
JPS6174735A (en) * | 1984-09-17 | 1986-04-17 | Aisin Seiki Co Ltd | Burring work method of metal plate |
-
1995
- 1995-09-20 DE DE19534790A patent/DE19534790A1/en not_active Withdrawn
-
1996
- 1996-09-12 EP EP96114587A patent/EP0764481B1/en not_active Expired - Lifetime
- 1996-09-12 DE DE59600377T patent/DE59600377D1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE59600377D1 (en) | 1998-09-03 |
EP0764481A1 (en) | 1997-03-26 |
DE19534790A1 (en) | 1997-03-27 |
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