EP0919715B1 - Zylinderlaufbuchse - Google Patents
Zylinderlaufbuchse Download PDFInfo
- Publication number
- EP0919715B1 EP0919715B1 EP98122756A EP98122756A EP0919715B1 EP 0919715 B1 EP0919715 B1 EP 0919715B1 EP 98122756 A EP98122756 A EP 98122756A EP 98122756 A EP98122756 A EP 98122756A EP 0919715 B1 EP0919715 B1 EP 0919715B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cylinder liner
- liner according
- surface structure
- radial direction
- flank
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F1/00—Cylinders; Cylinder heads
- F02F1/02—Cylinders; Cylinder heads having cooling means
- F02F1/10—Cylinders; Cylinder heads having cooling means for liquid cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D19/00—Casting in, on, or around objects which form part of the product
- B22D19/0081—Casting in, on, or around objects which form part of the product pretreatment of the insert, e.g. for enhancing the bonding between insert and surrounding cast metal
Definitions
- the invention relates to a light metal alloy Pourable cylinder liner according to the preamble of Claim 1.
- the present invention is based on the object To improve the connection of a cylinder liner in the casting.
- undercuts are targeted by cutting Processing or also by a forming process, such as Spinning rollers, producible. Irregular undercuts, like if necessary generated by spraying or blasting can not be targeted under the term one manufactured macroscopic surface structure subsumed.
- the deliberately created macroscopic surface structure with the rib-shaped elevations can be in the form of preferably in the circumferential direction extending grooves or spiral Threads are formed.
- the pitch of the threads is preferably 1 to 4 mm.
- Embodiment of the invention includes the peripheral surface of the Cylinder liner a combination of left and right Legal threads.
- the depth of the Surface structure 0.3 to 2 mm, preferably 0.5 to 1.2 mm.
- a preferred embodiment of the cylinder liner is characterized by the groove or thread structure forming flank sections in a longitudinal section plane the cylinder liner between 0 and 30 °, preferably between 15 and 25 °, and very particularly advantageously about 25 ° to the radial direction of the cylinder liner are inclined.
- flank sections could be parallel to each other run, i.e. the same angle to the radial direction lock in.
- a trapezoidal shape with different angles of inclination to the radial direction prefers.
- mechanical Characteristic values of the casting and the cast part appropriate dimensioning of the slope or the distance of the Flank sections to be taken into account, so maximum radial and axial forces can be absorbed without that there is a break or tear in the area of the socket or the casting.
- flank sections has a gradation with a radially inner and a radially outer Section on.
- a gradation will prevents the cylinder liner from locating Force in the direction of the inclination of the Flank sections can detach because one of the two Sections in this direction Form-locking connection forms. So far it has been proven advantageous if the radially outer Section of the rear in the direction of inclination Flank section a smaller angle of inclination to has radial direction than the radially inner Subsection.
- the two sections are preferably one third section tied together.
- the Surface structure through a two-stage Machining process be formed, being in a first Level one undercut-free in the radial direction Surface structure is formed and in one subsequent forming process, e.g. Spinning, forging, the radially outer areas of the surface structure in axial direction are displaced so that they in radial undercuts.
- the first Machining process could also take shape here machining. It turns out however, as beneficial, albeit the first process Forming process, such as thrush rolls or extrusion.
- Figure 1 shows a first embodiment of a Thread profile, a respective rib-shaped elevation 2 defining and limiting flank sections 4, 6 each run parallel to each other. Both flank sections 4, 6 are at an angle ⁇ of approximately 25 ° to the radial direction 8 the only indicated cylinder liner 10 inclined.
- the Distance d between the groove flanks 6, 4 of two neighboring ones Elevations 2 is 1.4 mm.
- the slope S of the Threads are 2.4 mm and the depth T of the profile is 0.6 to 0.8 mm. It has come in handy proved the radius R in the area of the acute angle in Transition of the flank section 6 to the base 12 of the Thread profile 0.1 mm to choose.
- the respective flank section 6 forms an undercut 14 in the radial direction 8 and prevents detachment of the indicated casting 64 from the outer surface of the Cylinder liner 10.
- the thread profile shown in Figure 2 differs from that shown in Figure 1 in that the Flank sections 16, 18 different inclinations exhibit.
- the flank section 18 an inclination of 25 ° to the radial direction 8
- the Flank section 16 is generally referred to as trapezoidal Formation of the thread profile achieved.
- a more extreme formation of a trapezoidal Thread profile shows Figure 3, after which a flank section 20 runs in the radial direction 8 and another Flank section 22 as in the foregoing Exemplary embodiments approx. 25 ° to the radial direction 8 is.
- Figure 4 shows a preferred embodiment of a Thread profile, after which a rear in the direction of inclination Flank section 24 is stepped and a radially inner and a radially outer section 26 or 28, which by a third section 30 are connected.
- the radially outer one Section 28 has a smaller angle of inclination radial direction 8 than the radially inner Section 26. This is in the inclination direction 32 of the other flank section 43 an undercut 36 through the outer section 28 formed.
- flank section 34 is again about 25 ° to the radial direction 8 inclined.
- the radially inner one Section 24 has the same inclination.
- the radial outer section 28 extends in the radial direction.
- the third section 30, which the radially inner and the radially outer section 26 and 28 with each other connects, runs essentially in the longitudinal direction, that is concentric to the longitudinal axis, not shown Cylinder liner.
- Figure 5 shows a in the drawing in essential T-shaped formation of a Surface structure.
- the surface structure was in one two step process made by first through the dashed lines structure shown in radial Direction and parallel to each other Flank sections 40, 42 in a pressure rolling process was formed.
- the outer portions of the respective rib-shaped in the radial direction Elevations 44 processed such that a material flow in axial direction 46 of the cylinder liner results, the to the one ultimately shown in the radial direction 8 Undercuts 48 forming structure leads.
- FIG. 6 shows a further embodiment of one in one two-stage pressure rolling process Surface structure, which is essentially Flank sections 50, 52 forming concentric rib-shaped elevations are inclined towards the same axial direction 54. It was in the production of the surface structure according to FIG. 6 from a trapezoidal to a first Machining step manufactured surface structure assumed that by broken lines in FIG 56 is indicated. Through the second processing step became the final one by spinning Surface structure in the radial direction Undercuts 58 forms. The illustrated The surface structure corresponds to that Surface structure according to Figure 4, as in Direction of inclination rear flank section 52 a radial has outer portion 60, the force in the direction of inclination 62 of the flank section 52 Undercut forms and thus effectively detaches the socket caused by the cast.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
- Sliding-Contact Bearings (AREA)
- Mounting Of Bearings Or Others (AREA)
Description
- Figur 1
- eine Oberflächenstruktur in Form eines Gewindeprofils mit zueinander parallelen Flankenabschnitten;
- Figur 2
- eine weitere Oberflächenstruktur in Form eines Gewindeprofils mit Trapezform bildenden Flankenabschnitten;
- Figur 3
- eine weitere Oberflächenstruktur in Form eines Gewindeprofils mit stark abweichender Neigung der Flankenabschnitte;
- Figur 4
- eine weitere Oberflächenstruktur in Form eines Gewindeprofils mit je einem abgestuften Flankenabschnitt;
- Figur 5
- eine durch einen Drückwalzprozess hergestellte Oberflächenstruktur in Form eines Nutenprofils; und
- Figur 6
- eine weitere Ausführungsform einer in einem Drückwalzprozess hergestellten Oberflächenstruktur, in Form eines Nutenprofils.
Claims (13)
- Zylinderlaufbuchse (10) mit einer radial außen liegenden Oberflächenstruktur mit sich in Umfangsrichtung erstreckenden rippenförmigen Erhebungen (2), an deren Flanken Bereiche mit Hinterschnitt (14, 48, 58) in radialer Richtung (8) ausgebildet sind und die zur Verankerung mit einer zur Bildung eines Zylinderblocks einzugießenden Leichtmetalllegierung (64) dienen, dadurch gekennzeichnet, dass die rippenförmigen Erhebungen (2) durch Spanen oder Umformen im Querschnitt parallelogrammartig, trapezförmig oder T-förmig ausgebildet sind.
- Zylinderlaufbuchse nach Anspruch 1, dadurch gekennzeichnet, dass die Oberflächenstruktur von Gewindegängen gebildet ist.
- Zylinderlaufbuchse nach Anspruch 2, dadurch gekennzeichnet, dass die Steigung (S) der Gewindegänge 1 bis 4 mm beträgt.
- Zylinderlaufbuchse nach Anspruch 2 oder 3, gekennzeichnet durch eine Kombination von Links- und Rechtsgewinden.
- Zylinderlaufbuchse nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass die Tiefe (T) der Oberflächenstruktur 0,3 bis 2 mm beträgt.
- Zylinderlaufbuchse nach einem der vorstehenden Ansprüche, gekennzeichnet durch die Nuten- oder Gewindestruktur bildenden Flankenabschnitte (4, 6, 16, 18, 20, 22, 24, 34), die in einer Längsschnittebene der Zylinderlaufbuchse (10) zwischen 0 und 30 Grad zur radialen Richtung (8) geneigt sind.
- Zylinderlaufbuchse nach Anspruch 6, dadurch gekennzeichnet, dass die Flankenabschnitte (4, 6, 16, 18, 22, 24, 34), zwischen 15 und 25 Grad zur radialen Richtung (8) geneigt sind.
- Zylinderlaufbuchse nach Anspruch 6 oder 7, dadurch gekennzeichnet, dass die Flankenabschnitte (16, 18, 20, 22, 24, 34) eine Trapezform definieren.
- Zylinderlaufbuchse nach einem oder mehreren der vorstehenden Ansprüche, dadurch gekennzeichnet, dass einer der Flankenabschnitte (24) eine Abstufung mit einem radial inneren und einem radial äußeren Teilabschnitt (26 bzw. 28) aufweist.
- Zylinderlaufbuchse nach Anspruch 9, dadurch gekennzeichnet, dass der radial äußere Teilabschnitt (28, 60) des in Neigungsrichtung hinteren Flankenabschnitts (24, 52) einen geringeren Neigungswinkel zur radialen Richtung (8) als der radial innere Teilabschnitt (26) aufweist.
- Zylinderlaufbuchse nach Anspruch 9 oder 10, dadurch gekennzeichnet, dass beide Teilabschnitte (26, 28) über einen dritten Teilabschnitt (30) aneinander angebunden sind.
- Zylinderlaufbuchse nach einem oder mehreren der vorstehenden Ansprüche, dadurch gekennzeichnet, dass die Oberflächenstruktur durch einen zweistufigen Bearbeitungsprozess gebildet ist, wobei in einer ersten Stufe eine in radialer Richtung (8) hinterschnittfreie Oberflächenstruktur gebildet wird und in einem anschließenden Umformprozess die radial äußeren Bereiche der Oberflächenstruktur in axialer Richtung (46, 54) derart verdrängt werden, dass sie in radialer Richtung (8) Hinterschnitte bilden.
- Zylinderlaufbuchse nach Anspruch 12, dadurch gekennzeichnet, dass auch der erste Prozess ein Umformprozess, wie Drückwalzen oder Strangpressen, ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19753017 | 1997-12-01 | ||
DE19753017A DE19753017A1 (de) | 1997-12-01 | 1997-12-01 | Zylinderlaufbuchse |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0919715A2 EP0919715A2 (de) | 1999-06-02 |
EP0919715A3 EP0919715A3 (de) | 1999-12-29 |
EP0919715B1 true EP0919715B1 (de) | 2003-04-02 |
Family
ID=7850234
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98122756A Expired - Lifetime EP0919715B1 (de) | 1997-12-01 | 1998-12-01 | Zylinderlaufbuchse |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0919715B1 (de) |
AT (1) | ATE236352T1 (de) |
DE (2) | DE19753017A1 (de) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009056919A1 (de) | 2009-12-03 | 2011-06-09 | Mahle International Gmbh | Zylinderlaufbuchse |
DE112005000002B4 (de) * | 2004-03-08 | 2013-12-24 | Peak Werkstoff Gmbh | Zylinderlaufbuchse |
US9511467B2 (en) | 2013-06-10 | 2016-12-06 | Ford Global Technologies, Llc | Cylindrical surface profile cutting tool and process |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1319899B1 (it) | 2000-02-10 | 2003-11-12 | Fiat Ricerche | Procedimento per la produzione di un blocco cilindri per un motore acombustione interna. |
JP3976991B2 (ja) * | 2000-07-12 | 2007-09-19 | 本田技研工業株式会社 | 金属製被鋳包み部材 |
FR2814096B1 (fr) * | 2000-09-15 | 2002-12-27 | Montupet Sa | Procede de fabrication de pieces de fonderie munies d'inserts avec cohesion mecanique piece/insert amelioree, et insert utilisable dans un tel procede |
JP4131371B2 (ja) | 2002-03-08 | 2008-08-13 | トヨタ自動車株式会社 | シリンダブロックの製造方法 |
US7226667B2 (en) | 2002-05-13 | 2007-06-05 | Honda Giken Kogyo Kabushiki Kaisha | Cast-iron insert and method of manufacturing same |
KR20050006751A (ko) * | 2003-07-10 | 2005-01-17 | 현대자동차주식회사 | 실린더라이너 |
DE102008048109B4 (de) * | 2008-04-17 | 2015-01-29 | Ks Aluminium-Technologie Gmbh | Verfahren zur Herstellung eines metallischen Bauteils und Verwendung eines Zylinderteils als Grundkörper zur Durchführung des Verfahrens |
DE102008019933A1 (de) | 2008-04-21 | 2009-10-22 | Ford Global Technologies, LLC, Dearborn | Vorrichtung und Verfahren zum Vorbereiten einer Oberfläche aus Metall für das Aufbringen einer thermisch gespritzten Schicht |
JP5107837B2 (ja) | 2008-09-05 | 2012-12-26 | 富士重工業株式会社 | シリンダライナ、シリンダブロック及びシリンダライナの製造方法 |
DE102008056743A1 (de) | 2008-11-11 | 2010-05-20 | Ks Aluminium-Technologie Gmbh | Verfahren zur Beschichtung von für den Umguss mit einer Leichtmetalllegierung vorgesehenen Eingussteilen |
DE102009027200B3 (de) * | 2009-06-25 | 2011-04-07 | Ford Global Technologies, LLC, Dearborn | Verfahren zum Aufrauhen von Metalloberflächen, Verwendung des Verfahrens und Werkstück |
DE102009043566A1 (de) * | 2009-09-30 | 2011-04-07 | Mahle International Gmbh | Zylinderkurbelgehäuse und Zylinderlaufbuchse oder Zylinderlaufbuchsenverbund |
DE102009058178B4 (de) * | 2009-12-15 | 2011-11-10 | Ks Aluminium-Technologie Gmbh | Verfahren und Werkzeug zur Oberflächenbehandlung |
JP2012067740A (ja) * | 2010-08-25 | 2012-04-05 | Tpr Co Ltd | 鋳包用シリンダライナ |
DE102011086803A1 (de) | 2011-11-22 | 2013-05-23 | Ford Global Technologies, Llc | Reparaturverfahren einer Zylinderlauffläche mittels Plasmaspritzverfahren |
DE102013200912B4 (de) | 2012-02-02 | 2018-05-30 | Ford Global Technologies, Llc | Kurbelgehäuse |
US8726874B2 (en) | 2012-05-01 | 2014-05-20 | Ford Global Technologies, Llc | Cylinder bore with selective surface treatment and method of making the same |
US9079213B2 (en) | 2012-06-29 | 2015-07-14 | Ford Global Technologies, Llc | Method of determining coating uniformity of a coated surface |
US10094325B2 (en) | 2014-01-28 | 2018-10-09 | ZYNP International Corp. | Cylinder liner |
US9382868B2 (en) | 2014-04-14 | 2016-07-05 | Ford Global Technologies, Llc | Cylinder bore surface profile and process |
DE102017109059A1 (de) * | 2017-04-27 | 2018-10-31 | Ks Huayu Alutech Gmbh | Bremstrommel sowie Verfahren zur Herstellung einer derartigen Bremstrommel |
DE102020201718A1 (de) | 2020-02-12 | 2021-08-12 | Psa Automobiles Sa | Additiv gefertigte Zylinderlaufbuchse für einen Zylinderblock einer Brennkraftmaschine sowie Verfahren zum Herstellen einer derartigen Zylinderlaufbuchse |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE412292C (de) * | 1924-02-12 | 1925-04-18 | Carl Muehlbauer | Zylinder mit im Guss eingeschlossener gerippter Laufbuechse, insbesondere fuer Verbrennungsmotoren |
DE549560C (de) * | 1929-12-20 | 1932-04-29 | Moteurs Salmson Soc D | Verfahren zur Befestigung von um die Zylinder von Verbrennungsmaschinen gegossenen Kuehlmaenteln |
DE841246C (de) * | 1950-05-31 | 1952-06-13 | Mahle Kg | Leichtmetallzylinder |
DE1008069B (de) * | 1956-08-22 | 1957-05-09 | Mahle Werk Ges Mit Beschraenkt | Verbundzylinder mit einem Leichtmetall-Zylindermantel und Verfahren zur Herstellung |
US3165983A (en) * | 1961-09-22 | 1965-01-19 | Reynolds Metals Co | Cylinder block constructions and methods and apparatus for making same or the like |
DE1576437A1 (de) * | 1967-11-17 | 1970-01-22 | Zuendapp Werke Gmbh | Leichtmetallzylinder mit eingegossener Laufbuechse |
DE1917882A1 (de) * | 1969-04-08 | 1970-10-22 | Holtan Maurice O | Zylinder-Innenauskleidung |
US4005991A (en) * | 1971-12-29 | 1977-02-01 | Toyo Kogyo Co., Ltd. | Metal made of steel plate and aluminum material |
JPS56127845U (de) * | 1980-02-29 | 1981-09-29 | ||
JPS61107461U (de) * | 1984-12-20 | 1986-07-08 | ||
US5291862A (en) * | 1992-01-09 | 1994-03-08 | Honda Giken Kogyo Kabushiki Kaisha | Cylinder sleeve assembly used in cylinder block for multi-cylinder internal combustion engine, and forming mold for use in production of sand mold for casting the same |
DE4434576A1 (de) * | 1994-08-09 | 1996-02-15 | Ks Aluminium Technologie Ag | Verbundgußzylinder oder -zylinderblock |
DE19634504A1 (de) * | 1996-08-27 | 1997-12-04 | Daimler Benz Ag | In ein Leichtmetall-Gußteil einzugießender Rohling eines anderen Leichtmetallteiles und Verfahren zum Herstellen eines solchen Rohlinges |
JPH10122034A (ja) * | 1996-10-16 | 1998-05-12 | Toyota Motor Corp | 内燃機関のシリンダブロック及びその製造方法 |
-
1997
- 1997-12-01 DE DE19753017A patent/DE19753017A1/de not_active Withdrawn
-
1998
- 1998-12-01 DE DE59807723T patent/DE59807723D1/de not_active Expired - Lifetime
- 1998-12-01 AT AT98122756T patent/ATE236352T1/de not_active IP Right Cessation
- 1998-12-01 EP EP98122756A patent/EP0919715B1/de not_active Expired - Lifetime
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE112005000002B4 (de) * | 2004-03-08 | 2013-12-24 | Peak Werkstoff Gmbh | Zylinderlaufbuchse |
DE102009056919A1 (de) | 2009-12-03 | 2011-06-09 | Mahle International Gmbh | Zylinderlaufbuchse |
DE102009056919B4 (de) | 2009-12-03 | 2022-12-29 | Mahle International Gmbh | Zylinderlaufbuchse |
US9511467B2 (en) | 2013-06-10 | 2016-12-06 | Ford Global Technologies, Llc | Cylindrical surface profile cutting tool and process |
Also Published As
Publication number | Publication date |
---|---|
DE19753017A1 (de) | 1999-06-02 |
EP0919715A2 (de) | 1999-06-02 |
DE59807723D1 (de) | 2003-05-08 |
EP0919715A3 (de) | 1999-12-29 |
ATE236352T1 (de) | 2003-04-15 |
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