DE102005051147A1 - Method for fine honing and cleaning of cylinder bearing surface of internal combustion engine involves, structuring of cylinder bearing surface wherein cylinder bearing surface is first fine-hone and afterwards cleaned by fluid jet - Google Patents

Method for fine honing and cleaning of cylinder bearing surface of internal combustion engine involves, structuring of cylinder bearing surface wherein cylinder bearing surface is first fine-hone and afterwards cleaned by fluid jet Download PDF

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Publication number
DE102005051147A1
DE102005051147A1 DE200510051147 DE102005051147A DE102005051147A1 DE 102005051147 A1 DE102005051147 A1 DE 102005051147A1 DE 200510051147 DE200510051147 DE 200510051147 DE 102005051147 A DE102005051147 A DE 102005051147A DE 102005051147 A1 DE102005051147 A1 DE 102005051147A1
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DE
Germany
Prior art keywords
bearing surface
cylinder bearing
cylinder
fine
cleaning
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.)
Withdrawn
Application number
DE200510051147
Other languages
German (de)
Inventor
Jens Dipl.-Ing. Böhm
Günter RAU
Helmut Dipl.-Ing. Schäfer (FH)
Dezsoe Dipl.-Ing. Schilling
Stefan Dr.-Ing. Schweickert
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mercedes Benz Group AG
Original Assignee
DaimlerChrysler AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by DaimlerChrysler AG filed Critical DaimlerChrysler AG
Priority to DE200510051147 priority Critical patent/DE102005051147A1/en
Publication of DE102005051147A1 publication Critical patent/DE102005051147A1/en
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B33/00—Honing machines or devices; Accessories therefor
    • B24B33/02—Honing machines or devices; Accessories therefor designed for working internal surfaces of revolution, e.g. of cylindrical or conical shapes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/04—Cleaning involving contact with liquid
    • B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
    • B08B3/12—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration by sonic or ultrasonic vibrations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
    • B08B7/02—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by distortion, beating, or vibration of the surface to be cleaned
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
    • B24B1/04—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes subjecting the grinding or polishing tools, the abrading or polishing medium or work to vibration, e.g. grinding with ultrasonic frequency

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)

Abstract

Method involves structuring of cylinder bearing surface where in the cylinder bearing surface is first fine-hone and afterwards the cylinder bearing surface is applied with several 100 bar exhibiting fluid jet cleaning. The cylinder bearing surface is simultaneously processed for cleaning and area-wise material removal by jet fluid.

Description

Die Erfindung betrifft ein Verfahren zur Mikrostrukturierung von Zylinderlaufflächen gemäß dem Oberbegriff des Anspruchs 1, wie es bspw. aus der gattungsbildend zugrunde gelegten DE 44 40 713 C2 als bekannt hervorgeht.The invention relates to a method for the microstructuring of cylinder surfaces according to the preamble of claim 1, as it is, for example, from the generic underlying DE 44 40 713 C2 as known.

Die DE 44 40 713 C2 betrifft ein Verfahren zum Herstellen von Gleitflächen an Bauteilen aus Gusseisen, insbesondere von Zylinderlaufflächen von Brennkraftmaschinen, bei dem die betreffenden Flächen während eines Honens mit einer vorzugsweise als Kühlschmiermittel verwendbaren Flüssigkeit beaufschlagt und bearbeitet werden. Hierdurch werden Metallflitter von der Zylinderlauffläche entfernt. Der Druck ist hierbei insbesondere nicht größer 100 bar, damit Gleichzeitig wird die Bildung von Metallflittern verringert. Anschließend wird die Zylinderlauffläche reibplattiert; d.h. die Reibfläche wird erneut mit einer sehr feinen Körnung gehont. Durch die Kombination dieser Verfahrensschritte, also Honen mit Flüssigkeitsbeaufschlagung und anschließendem Reibplattieren, werden Schmiertaschen, die beim Honen entstanden sind offengelegt und insbesondere auch offen gehalten.The DE 44 40 713 C2 relates to a method for producing sliding surfaces on components made of cast iron, in particular of cylinder running surfaces of internal combustion engines, in which the surfaces in question during a honing acted upon and processed with a liquid preferably used as a cooling lubricant. As a result, metal baubles are removed from the cylinder surface. In particular, the pressure is not greater than 100 bar, so that at the same time the formation of metal flakes is reduced. Subsequently, the cylinder surface is Reibplattiert; ie the friction surface is honed again with a very fine grain. By combining these process steps, ie honing with liquid application and subsequent friction plating, lubrication pockets which have arisen during honing are disclosed and, in particular, kept open.

Aus der EP 169 984 ist ein Verfahren bekannt, dass zur Bearbeitung von Zylinderlaufflächen vorgesehen ist. Bei diesem Verfahren erfolgt nach dem Honen eine Flüssigkeitsstrahlbehandlung mit ca. 600–800 bar. An diese Flüssigkeitsbehandlung schließt sich ebenfalls eine Reibplattierung an. Hierbei ist die Körnung ebenfalls sehr fein, so dass zuvor beim Hochdruckstrahlen erhaltene Poren nicht mehr verschlossen werden.From the EP 169 984 is a method known that is provided for the processing of cylinder surfaces. In this process, after honing, liquid jet treatment is carried out at about 600-800 bar. This liquid treatment is also followed by a Reibplattierung. Here, the grain is also very fine, so that previously obtained in high-pressure blasting pores are no longer closed.

Die Aufgabe der Erfindung ist es, den Fertigu8ngsprozess zur Herstellung einer strukturierten Oberfläche einer Zylinderlauffläche zu verbessern.The The object of the invention is the production process for manufacturing a structured surface a cylinder surface to improve.

Die Aufgabe wird erfindungsgemäß mit Verfahren mit den Verfahrensschritten des Anspruchs 1 bzw. 2 gelöst. In überraschender Weise wird durch die Vertauschung der Abfolge Feinhonen und Flüssigkeitsstrahlen erreicht, dass sich eine Oberflächenstruktur der Zylinderlauffläche einstellt, die eine ausgezeichnete Porendichte und -größe aufweist und auf diese Art im Betrieb der Brennkraftmaschine ein schmieraktives Mikrodruckkammersystem ausbildet.The Task is according to the invention with methods solved with the method steps of claim 1 or 2. In surprising Way is by interchanging the sequence Feinhonen and liquid jets that achieves a surface texture the cylinder surface which has an excellent pore density and size and in this way in the operation of the internal combustion engine a lubricating Micro-pressure chamber system forms.

Erfindungsgemäß wird also dem vorbekannten konventionellen Feinhonen ein Hochdruckwasserstrahlprozess mit rotierenden Hochdruckwasserlanzen bzw. ein Ultraschallreinigungsprozess mittels Ultraschallsonotroden im Rahmen der Bauteilreinigung nachgeschaltet. Diese Prozesse entfernen Graphitlamellen aus der Zylinderlauffläche und reinigen in vorteilhafter Weise gleichzeitig die Oberfläche. In günstiger Weise werden bei diesem Reinigungsprozessen Grate aus der Zerspanung im Bereich der Zylinderlauffläche entfernt. Insgesamt sind als bis zur Endbearbeitung weniger Arbeitsschritte notwendig.Thus, according to the invention the prior art conventional honing a Hochdruckwasserstrahlprozess with rotating high-pressure water lances or an ultrasonic cleaning process downstream by means of ultrasonic sonotrodes as part of the component cleaning. These processes remove graphite fins from the cylinder surface and advantageously clean the surface at the same time. In cheaper In this cleaning process, burrs are produced by machining in the area of the cylinder surface away. All in all, there are fewer work steps than finishing necessary.

Claims (2)

Verfahren zum Strukturieren von Zylinderlaufflächen von aus Gusseisen gegossenen Zylinderkurbelwellengehäusen von Brennkraftmaschinen bei welchem die Zylinderlauffläche feingehont (Reibplattiert) und anschließend gereinigt wird, dadurch gekennzeichnet, dass die Zylinderlauffläche zuerst abschließend feingehont wird und dass anschließend die Zylinderlauffläche mit einem mehrere 100 bar aufweisenden Flüssigkeitsstrahl reinigend bestrichen wird und dass die Zylinderlauffläche gleichzeitig zur Reinigung mittels des Flüssigkeitsstrahls zumindest bereichsweise materialentfernend bearbeitet wird.A method for structuring cylinder surfaces of cast cylinder-cranked cylinder housings of internal combustion engines in which the cylinder surface finely honed (Reibplattiert) and then cleaned, characterized in that the cylinder surface is finally finely honed and then that the cylinder surface is cleaned with a several 100 bar having liquid jet cleaning and that the cylinder running surface is simultaneously removed for cleaning by means of the liquid jet material removal at least partially. Verfahren zum Strukturieren von Zylinderlaufflächen von aus Gusseisen gegossenen Zylinderkurbelwellengehäusen von Brennkraftmaschinen bei welchem die Zylinderlauffläche feingehont (Reibplattiert) und anschließend gereinigt wird, dadurch gekennzeichnet, dass die Zylinderlauffläche zuerst abschließend feingehont wird und dass anschließend die Zylinderlauffläche mit Ultraschallsonotroden reinigend abgefahren wird und dass die Zylinderlauffläche gleichzeitig zur Reinigung mittels den Ultraschallsonotroden zumindest bereichsweise materialentfernend bearbeitet wird.Method of structuring cylinder surfaces of Cast iron cylinder crankcase of internal combustion engines in which the cylinder surface finely honed (Reibplattiert) and then cleaned, thereby characterized in that the cylinder surface first finely honed and then the Cylinder surface is cleaned with ultrasonic sonotrodes and that the Cylinder surface at the same time for cleaning by means of the ultrasonic sonotrodes at least partially removed material is processed.
DE200510051147 2005-10-26 2005-10-26 Method for fine honing and cleaning of cylinder bearing surface of internal combustion engine involves, structuring of cylinder bearing surface wherein cylinder bearing surface is first fine-hone and afterwards cleaned by fluid jet Withdrawn DE102005051147A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE200510051147 DE102005051147A1 (en) 2005-10-26 2005-10-26 Method for fine honing and cleaning of cylinder bearing surface of internal combustion engine involves, structuring of cylinder bearing surface wherein cylinder bearing surface is first fine-hone and afterwards cleaned by fluid jet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200510051147 DE102005051147A1 (en) 2005-10-26 2005-10-26 Method for fine honing and cleaning of cylinder bearing surface of internal combustion engine involves, structuring of cylinder bearing surface wherein cylinder bearing surface is first fine-hone and afterwards cleaned by fluid jet

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DE102005051147A1 true DE102005051147A1 (en) 2007-05-03

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109234665A (en) * 2017-07-11 2019-01-18 福特全球技术公司 The surface texture of selectivity for cylinder sleeve

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109234665A (en) * 2017-07-11 2019-01-18 福特全球技术公司 The surface texture of selectivity for cylinder sleeve

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Legal Events

Date Code Title Description
8127 New person/name/address of the applicant

Owner name: DAIMLER AG, 70327 STUTTGART, DE

R120 Application withdrawn or ip right abandoned

Effective date: 20120225