EP1321229A1 - Method for forming a bore and honing machine for carrying out the method - Google Patents

Method for forming a bore and honing machine for carrying out the method Download PDF

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Publication number
EP1321229A1
EP1321229A1 EP01130399A EP01130399A EP1321229A1 EP 1321229 A1 EP1321229 A1 EP 1321229A1 EP 01130399 A EP01130399 A EP 01130399A EP 01130399 A EP01130399 A EP 01130399A EP 1321229 A1 EP1321229 A1 EP 1321229A1
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EP
European Patent Office
Prior art keywords
honing
bore
shape
deformation
determined
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
Application number
EP01130399A
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German (de)
French (fr)
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EP1321229B1 (en
Inventor
Ulrich Dipl.-Ing. Klink
Gerhard Dipl.-Ing. Flores
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.)
Gehring GmbH and Co KG
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Maschinenfabrik Gehring GmbH and Co KG
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Filing date
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Application filed by Maschinenfabrik Gehring GmbH and Co KG filed Critical Maschinenfabrik Gehring GmbH and Co KG
Priority to DE50114827.2T priority Critical patent/DE50114827C5/en
Priority to EP01130399A priority patent/EP1321229B1/en
Priority to JP2002364233A priority patent/JP2003200340A/en
Priority to US10/248,087 priority patent/US20030120374A1/en
Publication of EP1321229A1 publication Critical patent/EP1321229A1/en
Priority to US10/711,138 priority patent/US6973367B2/en
Application granted granted Critical
Publication of EP1321229B1 publication Critical patent/EP1321229B1/en
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    • 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
    • B24B33/08—Honing tools
    • B24B33/088—Honing tools for holes having a shape other than cylindrical
    • 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

Definitions

  • the invention relates to a method in the preamble of Claim 1 specified genus and a honing machine for Execution of the procedure.
  • JP 11267960 which Hole when processing with original expansion screws and To tighten original torques as in the operating state.
  • these processes involve a great deal of effort in the production of the bore through the required devices. This processing involves high costs. Because of the relatively long heating-up time to temperatures of approx. 80 ° C to 140 ° C, the required safety devices, the seal wear and the required temperature control this procedure only for the one-off production of high quality Motors used. The actual state of deformation in the Operation is also only by the devices mentioned insufficiently simulated.
  • the invention has for its object a method of Generic type to create that the manufacture of Bores with a deformed in the operating state ideal shape with little effort. Furthermore the object of the invention is to provide a honing machine To carry out the procedure.
  • This task is accomplished by a process with the characteristics of Claim 1 and by a honing machine with the features of Claim 13 is released.
  • the method provides for the deformation for a specific bore to determine in the operating state and from the deformation the initial form, i.e. the shape to be made, the shape prior to installation. Determining the Deformation and the initial shape must depend on the bore geometry and Operating state only be carried out once. In particular for the production of series components the effort versus tensing and heating everyone Drilling considerably during processing. Because the state of deformation are not present on the processing machine itself must, this can be determined much more precisely, so that the manufacture of bores that are actually in working condition have a given geometry is made possible.
  • the target shape i.e. the shape under operating conditions
  • cylindrical is another embodiment variant
  • the Initial shape is cylindrical.
  • Target form is provided that the initial form is theoretical is determined.
  • the deformation is expediently determined experimentally. In particular is the deformation by static pressing and Measurement of the geometry achieved. To be special However, obtaining accurate deformation data can be advantageous be that the deformation by dynamic measurement in Operation is determined. The deformation can also be theoretical can be determined, in particular by computer simulation.
  • the initial form by time and locally varied processing parameters is produced.
  • the starting form can be followed by a process defined cutting edge, grinding, spark erosion or honing produce.
  • the machining process is special a honing process, the tool being a honing tool that is arranged on a spindle and the at least one Honstein includes, which with a delivery pressure on the wall of the Hole is pressed. It is intended that the delivery pressure at least one honing stone during the processing time is varied.
  • the delivery pressure is particularly dependent the rotational position of the spindle varies. This can different bore radii in the circumferential direction of the bore be achieved.
  • the delivery pressure in Dependence of the stroke position of the spindle varies, which means seen differently in the axial direction of the bore Borehole radii result.
  • a honing machine for performing the method includes a up to four honing stones, the delivery pressure for each honing stone can be controlled separately.
  • the separate control of the delivery pressure allows different bore radii for each honing stone over small areas of the bore circumference.
  • the Length of the honing stones in the direction of the bore is particular less than or equal to the length of individual bore sections approximately the same geometry. Due to the short length of the Honing stones can be different in the axial direction of the bore Realize inner bore diameter.
  • the first in FIGS. 1 and 2 shown initial shape 2 of the hole 1 determined.
  • the Initial shape 2 is the shape of hole 1 before installation.
  • the Initial shape 2 is largely in an upper area 5 cylindrical and elliptical in a lower region 7.
  • the Representation of the deviation of the elliptical from the cylindrical 1 and 2 are not to scale, but shown greatly enlarged. In fact it is Deviation in the range of approx. 8 to 60 ⁇ m.
  • the middle one Area 6 represents a transition area from the cylindrical Cross-sectional shape 8 to the elliptical cross-sectional shape 9.
  • the cylindrical cross-sectional shape 8 is shown in FIG. 3 and the elliptical cross-sectional shape 9 in FIG. 4.
  • the deformation of the Target shape 3 determined in the operating state.
  • the deformation can be determined experimentally by static bracing.
  • a bore in particular the cylinder bore of an engine block, in target shape 3, in particular in cylindrical Shape.
  • the hole is expediently through Honing edited.
  • the hole is then exposed to the loads that occur in the operating state. This can be done, for example the cylinder bore through the cylinder head be braced, using the expansion screws used for fixation with the torques intended for operation tightened using the original seals. ever depending on the operating condition and required accuracy additionally or alternatively, the component at operating temperature be heated and / or pressurized with pressures prevailing in the operating state.
  • the Shape deviations thus created are determined by form tester measurements determined.
  • the deformation can also be caused by dynamic measurement the change in shape in the operating state can be determined.
  • the dynamic measurement is particularly important for cylinder bores made during the firing.
  • the deformation can also theoretically, especially by computer simulation be determined.
  • the computer simulation is simulated the deformation during fired operation with everyone measurable influencing factors. The method is useful with which the deformation is determined, depending on the required Accuracy and the necessary for the determination Effort selected.
  • the Initial form 2 determined theoretically.
  • the original form 2 is then by means of a machining process, in particular by means of a honing process.
  • the honing machine for Machining the hole involves one to four honing stones.
  • the Delivery pressure with which each honing stone is attached to the wall of the Hole 1 is pressed is separate for each honing stone controllable.
  • the honing tool performs an oscillating movement in the direction of the axis 4 of the bore 1 and a rotary movement around axis 4 off.
  • To edit the upper area 5 of the Hole 1 will be all honing stones with the same feed pressure pressed against the wall of hole 1.
  • the delivery print is not varied over the processing time.
  • FIG. 5 Contour represent the initial shape and stand out the load-bearing bore shape that in FIGS. 1 and 2 have shown contour, which then represents the target shape.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)

Abstract

When not exposed to stress, the hole (1) has an initial shape (2),and, in an operating state, has a nominal shape diverging from the initial shape. The hole is deformed as cylindrical nominal shape and initial shape. The deforming process is carried out by a honing appliance on a spindle. Up to four honing stones are used with separately controlled pressures

Description

Die Erfindung betrifft ein Verfahren der im Oberbegriff des Anspruchs 1 angegebenen Gattung und eine Honmaschine zur Durchführung des Verfahrens.The invention relates to a method in the preamble of Claim 1 specified genus and a honing machine for Execution of the procedure.

Insbesondere bei Zylinderbohrungen von Hubkolbenmaschinen wie Verbrennungsmotoren oder Kompressoren wird versucht, durch ein gleichmäßiges und geringes Spiel zwischen Kolben und Zylinder gute tribologische Bedingungen zu erhalten. Da sich die Zylinderbohrung aufgrund der Belastungen wie Spannungen und Temperatur im Betriebszustand verformt, weicht die Form einer in unbelastetem Zustand zylindrischen Bohrung im Betrieb von der zylindrischen Form ab.Especially for cylinder bores in reciprocating machines such as Internal combustion engines or compressors are tried by one even and low play between piston and cylinder to get good tribological conditions. Since the Cylinder bore due to loads such as stresses and Deformed temperature in the operating state, gives way to a in unloaded condition cylindrical bore in the operation of the cylindrical shape.

Um im Betriebszustand eine zylindrische Bohrung zu erhalten, wird in der Druckschrift JP 11267960 vorgeschlagen, die Bohrung bei der Bearbeitung mit Originaldehnschrauben und Originaldrehmomenten wie im Betriebszustand zu verspannen. Um zusätzlich die Verformung durch Temperatureinwirkung zu simulieren, ist bekannt, das Werkstück mittels heißem Honöl aufzuheizen. Diese Verfahren verursachen jedoch einen großen Aufwand bei der Herstellung der Bohrung durch die benötigten Vorrichtungen. Diese Bearbeitung verursacht hohe Kosten. Wegen der verhältnismäßig langen Aufheizzeit auf Temperaturen von ca. 80°C bis 140°C, den benötigten Sicherheitseinrichtungen, dem Dichtungsverschleiß und der benötigten Temperierung wird dieses Verfahren nur für die Einzelfertigung von hochwertigen Motoren eingesetzt. Der tatsächliche Verformungszustand im Betrieb wird außerdem durch die genannten Vorrichtungen nur unzureichend simuliert.In order to obtain a cylindrical bore in the operating state, is proposed in JP 11267960, which Hole when processing with original expansion screws and To tighten original torques as in the operating state. Around additionally to simulate the deformation caused by temperature, is known to heat the workpiece using hot honing oil. However, these processes involve a great deal of effort in the production of the bore through the required devices. This processing involves high costs. Because of the relatively long heating-up time to temperatures of approx. 80 ° C to 140 ° C, the required safety devices, the seal wear and the required temperature control this procedure only for the one-off production of high quality Motors used. The actual state of deformation in the Operation is also only by the devices mentioned insufficiently simulated.

Der Erfindung liegt die Aufgabe zugrunde, ein Verfahren der gattungsgemäßen Art zu schaffen, das die Herstellung von Bohrungen mit einer im Betriebszustand unter Verformung idealen Form mit geringem Aufwand ermöglicht. Des weiteren besteht die Aufgabe der Erfindung darin, eine Honmaschine zur Durchführung des Verfahrens zu schaffen.The invention has for its object a method of Generic type to create that the manufacture of Bores with a deformed in the operating state ideal shape with little effort. Furthermore the object of the invention is to provide a honing machine To carry out the procedure.

Diese Aufgabe wird durch ein Verfahren mit den Merkmalen des Anspruchs 1 und durch eine Honmaschine mit den Merkmalen des Anspruchs 13 gelöst.This task is accomplished by a process with the characteristics of Claim 1 and by a honing machine with the features of Claim 13 is released.

Das Verfahren sieht vor, für eine bestimmte Bohrung die Verformung im Betriebszustand zu ermitteln und aus der Verformung die Ausgangsform, d.h. die herzustellende Form, die der Form vor dem Einbau entspricht, zu ermitteln. Die Ermittlung der Verformung und der Ausgangsform muß je Bohrungsgeometrie und Betriebszustand lediglich einmal durchgeführt werden. Insbesondere für die Herstellung von Serienbauteilen sinkt dadurch der Aufwand gegenüber dem Verspannen und Erhitzen jeder Bohrung bei der Bearbeitung erheblich. Da der Verformungszustand nicht an der Bearbeitungsmaschine selbst vorliegen muß, kann dieser wesentlich genauer ermittelt werden, so daß die Fertigung von Bohrungen, die im Betriebszustand tatsächlich eine vorgegebene Geometrie haben, ermöglicht ist.The method provides for the deformation for a specific bore to determine in the operating state and from the deformation the initial form, i.e. the shape to be made, the shape prior to installation. Determining the Deformation and the initial shape must depend on the bore geometry and Operating state only be carried out once. In particular for the production of series components the effort versus tensing and heating everyone Drilling considerably during processing. Because the state of deformation are not present on the processing machine itself must, this can be determined much more precisely, so that the manufacture of bores that are actually in working condition have a given geometry is made possible.

In Ausgestaltung der Erfindung ist vorgesehen, daß die Sollform, d.h. die Form unter Betriebsbedingungen, zylindrisch ist. Eine andere Ausgestaltungsvariante sieht vor, daß die Ausgangsform zylindrisch ist. Insbesondere bei zylindrischer Sollform ist vorgesehen, daß die Ausgangsform theoretisch ermittelt wird.In an embodiment of the invention it is provided that the target shape, i.e. the shape under operating conditions, cylindrical is. Another embodiment variant provides that the Initial shape is cylindrical. Especially with cylindrical ones Target form is provided that the initial form is theoretical is determined.

Zweckmäßig wird die Verformung experimentell ermittelt. Insbesondere wird die Verformung durch statisches Verpressen und Vermessen der erzielten Geometrie ermittelt. Um besonders genaue Verformungsdaten zu erhalten, kann es jedoch vorteilhaft sein, daß die Verformung durch dynamisches Vermessen im Betrieb ermittelt wird. Die Verformung kann auch theoretisch ermittelt werden, insbesondere durch Rechnersimulation.The deformation is expediently determined experimentally. In particular is the deformation by static pressing and Measurement of the geometry achieved. To be special However, obtaining accurate deformation data can be advantageous be that the deformation by dynamic measurement in Operation is determined. The deformation can also be theoretical can be determined, in particular by computer simulation.

Es ist vorgesehen, daß die Ausgangsform durch zeitlich und örtlich variierte Bearbeitungsparameter hergestellt wird. Grundsätzlich läßt sich die Ausgangsform durch Verfahren mit definierter Schneide, Schleifen, Funkenerosion oder Honen herstellen. Das Bearbeitungsverfahren ist jedoch insbesondere ein Honverfahren, wobei das Werkzeug ein Honwerkzeug ist, das an einer Spindel angeordnet ist und das mindestens einen Honstein umfaßt, der mit einem Zustelldruck an die Wandung der Bohrung gedrückt wird. Es ist vorgesehen, daß der Zustelldruck mindestens eines Honsteins während der Bearbeitungszeit variiert wird. Der Zustelldruck wird insbesondere in Abhängigkeit der Drehposition der Spindel variiert. Hierdurch können in Umfangsrichtung der Bohrung unterschiedliche Bohrungsinnenradien erzielt werden. Zweckmäßig wird der Zustelldruck in Abhängigkeit der Hubposition der Spindel variiert, wodurch sich in Achsrichtung der Bohrung gesehen unterschiedliche Bohrungsinnenradien ergeben.It is envisaged that the initial form by time and locally varied processing parameters is produced. Basically, the starting form can be followed by a process defined cutting edge, grinding, spark erosion or honing produce. However, the machining process is special a honing process, the tool being a honing tool that is arranged on a spindle and the at least one Honstein includes, which with a delivery pressure on the wall of the Hole is pressed. It is intended that the delivery pressure at least one honing stone during the processing time is varied. The delivery pressure is particularly dependent the rotational position of the spindle varies. This can different bore radii in the circumferential direction of the bore be achieved. The delivery pressure in Dependence of the stroke position of the spindle varies, which means seen differently in the axial direction of the bore Borehole radii result.

Eine Honmaschine zur Durchführung des Verfahrens umfaßt ein bis vier Honsteine, wobei der Zustelldruck für jeden Honstein separat steuerbar ist. Die separate Steuerung des Zustelldrucks für jeden Honstein ermöglicht unterschiedliche Bohrungsinnenradien über kleine Bereiche des Bohrungsumfangs. Die Länge der Honsteine in Richtung der Bohrung ist insbesondere kleiner oder gleich der Länge einzelner Bohrungsabschnitte mit annähernd gleicher Geometrie. Durch die geringe Länge der Honsteine lassen sich in Achsrichtung der Bohrung unterschiedliche Bohrungsinnendurchmesser realisieren.A honing machine for performing the method includes a up to four honing stones, the delivery pressure for each honing stone can be controlled separately. The separate control of the delivery pressure allows different bore radii for each honing stone over small areas of the bore circumference. The Length of the honing stones in the direction of the bore is particular less than or equal to the length of individual bore sections approximately the same geometry. Due to the short length of the Honing stones can be different in the axial direction of the bore Realize inner bore diameter.

Ein Ausführungsbeispiel der Erfindung wird im folgenden anhand der Zeichnung erläutert. Es zeigen:

Fig. 1
einen Schnitt durch eine Bohrung mit Ausgangsform,
Fig. 2
einen Schnitt entlang der Linie II-II in Fig. 1,
Fig. 3
eine schematische Darstellung eines Schnitts entlang der Linie III-III oder III'-III' in Fig. 1,
Fig. 4
eine schematische Darstellung eines Schnitts entlang der Linie IV-IV oder IV'-IV' in Fig. 1,
Fig. 5
einen Schnitt durch eine Bohrung in Sollform (Betriebsform).
An embodiment of the invention is explained below with reference to the drawing. Show it:
Fig. 1
a section through a hole with an initial shape,
Fig. 2
2 shows a section along the line II-II in FIG. 1,
Fig. 3
1 shows a schematic representation of a section along the line III-III or III'-III 'in FIG. 1,
Fig. 4
1 shows a schematic representation of a section along the line IV-IV or IV'-IV 'in FIG. 1,
Fig. 5
a section through a hole in the target shape (operating mode).

Zur Herstellung einer Bohrung 1 mit der in Fig. 5 dargestellten zylindrischen Sollform 3, die sich durch Verformungen im Betriebszustand ergibt, wird zunächst die in den Fig. 1 und 2 dargestellte Ausgangsform 2 der Bohrung 1 ermittelt. Die Ausgangsform 2 ist die Form der Bohrung 1 vor dem Einbau. Die Ausgangsform 2 ist in einem oberen Bereich 5 weitgehend zylindrisch und in einem unteren Bereich 7 elliptisch. Die Darstellung der Abweichung der elliptischen von der zylindrischen Form ist in den Fig. 1 und 2 nicht maßstabsgetreu, sondern stark vergrößert dargestellt. Tatsächlich liegt die Abweichung im Bereich von ca. 8 bis 60 µm. Der mittlere Bereich 6 stellt einen Übergangsbereich von der zylindrischen Querschnittsform 8 auf die elliptische Querschnittsform 9 dar. Die zylindrische Querschnittsform 8 ist in Fig. 3 dargestellt und die elliptische Querschnittsform 9 in Fig. 4.To produce a bore 1 with the one shown in FIG. 5 cylindrical shape 3, which is characterized by deformation in the operating state, the first in FIGS. 1 and 2 shown initial shape 2 of the hole 1 determined. The Initial shape 2 is the shape of hole 1 before installation. The Initial shape 2 is largely in an upper area 5 cylindrical and elliptical in a lower region 7. The Representation of the deviation of the elliptical from the cylindrical 1 and 2 are not to scale, but shown greatly enlarged. In fact it is Deviation in the range of approx. 8 to 60 µm. The middle one Area 6 represents a transition area from the cylindrical Cross-sectional shape 8 to the elliptical cross-sectional shape 9. The cylindrical cross-sectional shape 8 is shown in FIG. 3 and the elliptical cross-sectional shape 9 in FIG. 4.

Zur Ermittlung der Ausgangsform 2 wird die Verformung der Sollform 3 im Betriebszustand ermittelt. Die Verformung kann experimentell durch statisches Verspannen ermittelt werden. Hierzu wird eine Bohrung, insbesondere die Zylinderbohrung eines Motorblocks, in Sollform 3, insbesondere in zylindrischer Form, hergestellt. Zweckmäßig wird die Bohrung durch Honen bearbeitet. Die Bohrung wird dann den Belastungen ausgesetzt, die im Betriebszustand auftreten. Hierzu kann beispielsweise die Zylinderbohrung durch den Zylinderkopf verspannt werden, wobei die zur Fixierung verwendeten Dehnschrauben mit den für den Betrieb vorgesehenen Drehmomenten unter Verwendung der Originaldichtungen angezogen werden. Je nach Betriebszustand und erforderlicher Genauigkeit kann zusätzlich oder alternativ dazu das Bauteil auf Betriebstemperatur aufgeheizt werden und/oder eine Druckbeaufschlagung mit im Betriebszustand vorherrschenden Drücken erfolgen. Die so entstandenen Formerweichungen werden durch Formtestermessungen ermittelt.To determine the initial shape 2, the deformation of the Target shape 3 determined in the operating state. The deformation can can be determined experimentally by static bracing. For this purpose, a bore, in particular the cylinder bore of an engine block, in target shape 3, in particular in cylindrical Shape. The hole is expediently through Honing edited. The hole is then exposed to the loads that occur in the operating state. This can be done, for example the cylinder bore through the cylinder head be braced, using the expansion screws used for fixation with the torques intended for operation tightened using the original seals. ever depending on the operating condition and required accuracy additionally or alternatively, the component at operating temperature be heated and / or pressurized with pressures prevailing in the operating state. The Shape deviations thus created are determined by form tester measurements determined.

Die Verformung kann jedoch auch durch die dynamische Vermessung der Formänderung im Betriebszustand ermittelt werden. Die dynamische Vermessung wird bei Zylinderbohrungen insbesondere während der Befeuerung vorgenommen. Die Verformung kann auch theoretisch, insbesondere durch eine Rechnersimulation ermittelt werden. Die Rechnersimulation simuliert die Verformung während des befeuerten Betriebs mit allen erfassbaren Einflussgrößen. Zweckmäßig wird das Verfahren, mit dem die Verformung ermittelt wird, in Abhängigkeit der benötigten Genauigkeit und des für die Ermittlung notwendigen Aufwands ausgewählt.However, the deformation can also be caused by dynamic measurement the change in shape in the operating state can be determined. The dynamic measurement is particularly important for cylinder bores made during the firing. The deformation can also theoretically, especially by computer simulation be determined. The computer simulation is simulated the deformation during fired operation with everyone measurable influencing factors. The method is useful with which the deformation is determined, depending on the required Accuracy and the necessary for the determination Effort selected.

Aus der ermittelten Verformung und der Sollform 3 wird die Ausgangsform 2 theoretisch ermittelt. Die Ausgangsform 2 wird dann mittels eines Bearbeitungsverfahrens, insbesondere mittels eines Honverfahrens, hergestellt. Die Honmaschine zur Bearbeitung der Bohrung umfaßt ein bis vier Honsteine. Der Zustelldruck, mit dem jeder Honstein an die Wandung der Bohrung 1 gedrückt wird, ist für jeden Honstein separat steuerbar. Das Honwerkzeug führt eine oszillierende Bewegung in Richtung der Achse 4 der Bohrung 1 und eine Drehbewegung um die Achse 4 aus. Zur Bearbeitung des oberen Bereichs 5 der Bohrung 1 werden alle Honsteine mit dem gleichen Zustelldruck gegen die Wandung der Bohrung 1 gedrückt. Der Zustelldruck wird über die Bearbeitungsdauer nicht variiert. Dadurch entsteht die in Fig. 3 dargestellte zylindrische Querschnittsform 8. Zur Herstellung der elliptischen Querschnittsform 9, die in Fig. 4 dargestellt ist, wird der Zustelldruck auf die Honsteine in Richtung der X-Achse vergrößert und in Richtung der Y-Achse vermindert. Im mittleren Bereich 6 wird der Zustelldruck zusätzlich in Abhängigkeit der Hubposition der Spindel, an der das Honwerkzeug fixiert ist, gesteuert. Da sich die Bohrungsgeometrie im mittleren Bereich 6 kontinuierlich ändert, kommen Honsteine mit sehr geringer axialer Streckung zum Einsatz. Zur Erzielung einer größeren Genauigkeit weist das Werkzeug eine untere und/oder eine obere Führung auf.From the determined deformation and the target shape 3, the Initial form 2 determined theoretically. The original form 2 is then by means of a machining process, in particular by means of a honing process. The honing machine for Machining the hole involves one to four honing stones. The Delivery pressure with which each honing stone is attached to the wall of the Hole 1 is pressed is separate for each honing stone controllable. The honing tool performs an oscillating movement in the direction of the axis 4 of the bore 1 and a rotary movement around axis 4 off. To edit the upper area 5 of the Hole 1 will be all honing stones with the same feed pressure pressed against the wall of hole 1. The delivery print is not varied over the processing time. This creates the cylindrical cross-sectional shape shown in Fig. 3 8. To produce the elliptical cross-sectional shape 9, which in Fig. 4 is shown, the delivery pressure on the Honing stones enlarged in the direction of the X axis and in the direction the Y axis is decreased. The delivery pressure is in the central region 6 additionally depending on the stroke position of the Spindle on which the honing tool is fixed, controlled. There the bore geometry in the central area 6 continuously changes, honing stones come with very little axial Extension to use. For greater accuracy the tool has a lower and / or an upper one Leadership on.

Werden Bohrungen benötigt, die eine von der zylindrischen Form abweichende Innenkontur aufweisen, kann die in Fig. 5 dargestellte Kontur die Ausgangsform darstellen und die sich durch die Belastung ergebende Bohrungsform die in den Fig. 1 und 2 dargestellte Kontur haben, die dann die Sollform darstellt.Are holes required that have a cylindrical shape have a different inner contour, the one shown in FIG. 5 Contour represent the initial shape and stand out the load-bearing bore shape that in FIGS. 1 and 2 have shown contour, which then represents the target shape.

Grundsätzlich können auch andere Fertigungsverfahren, die die Herstellung einer von der Zylinderform abweichenden Innenkontur erlauben, bei der Herstellung einer Bohrung mit dem erfindungsgemäßen Verfahren zur Anwendung kommen.Basically, other manufacturing processes that the Production of an inner contour deviating from the cylindrical shape allow when making a hole with the methods of the invention are used.

Claims (15)

Verfahren zur Herstellung einer Bohrung, insbesondere der Zylinderbohrung einer Hubkolbenmaschine, wobei die Bohrung (1) in unbelastetem Zustand eine Ausgangsform (2) aufweist und im Betriebszustand eine von der Ausgangsform (2) abweichende Sollform (3),
dadurch gekennzeichnet, daß die Verformung einer Bohrung (1) zur Sollform (3) im Betriebszustand ermittelt wird, mittels der Sollform (3) und der Verformung die Ausgangsform (2) ermittelt wird und die Bohrung (1) mit einem Bearbeitungsverfahren in die Ausgangsform (2) gebracht wird.Method for producing a bore, in particular the cylinder bore of a reciprocating piston machine, the bore (1) having an initial shape (2) in the unloaded state and a nominal shape (3) which deviates from the initial shape (2) in the operating state,
characterized in that the deformation of a bore (1) to the desired shape (3) is determined in the operating state, the initial shape (2) is determined by means of the desired shape (3) and the deformation and the bore (1) is machined into the initial shape ( 2) is brought. Verfahren nach Anspruch 1,
dadurch gekennzeichnet, daß die Sollform (3) oder die Ausgangsform (2) zylindrisch ist.Method according to claim 1,
characterized in that the target shape (3) or the starting shape (2) is cylindrical. Verfahren nach Anspruch 1 oder 2,
dadurch gekennzeichnet, daß die Ausgangsform (2) theoretisch ermittelt wird.Method according to claim 1 or 2,
characterized in that the initial shape (2) is determined theoretically. Verfahren nach einem der Ansprüche 1 bis 3,
dadurch gekennzeichnet, daß die Verformung experimentell ermittelt wird. Method according to one of claims 1 to 3,
characterized in that the deformation is determined experimentally. Verfahren nach Anspruch 4,
dadurch gekennzeichnet, daß die Verformung durch statisches Verpressen und Vermessen der erzielten Geometrie ermittelt wird.Method according to claim 4,
characterized in that the deformation is determined by static pressing and measuring the geometry obtained. Verfahren nach Anspruch 4,
dadurch gekennzeichnet, daß die Verformung durch dynamisches Vermessen im Betrieb ermittelt wird.Method according to claim 4,
characterized in that the deformation is determined by dynamic measurement during operation. Verfahren nach einem der Ansprüche 1 bis 3,
dadurch gekennzeichnet, daß die Verformung theoretisch ermittelt wird, insbesondere durch Rechnersimulation.Method according to one of claims 1 to 3,
characterized in that the deformation is determined theoretically, in particular by computer simulation. Verfahren nach einem der Ansprüche 1 bis 7,
dadurch gekennzeichnet, daß die Ausgangsform (2) durch zeitlich und örtlich variierte Bearbeitungsparameter hergestellt wird.Method according to one of claims 1 to 7,
characterized in that the initial shape (2) is produced by processing parameters that vary over time and location. Verfahren nach einem der Ansprüche 1 bis 8,
dadurch gekennzeichnet, daß das Bearbeitungsverfahren ein Honverfahren ist, wobei das Werkzeug ein Honwerkzeug ist, das an einer Spindel angeordnet ist und das mindestens einen Honstein umfaßt, der mit einem Zustelldruck an die Wandung der Bohrung (1) gedrückt wird.Method according to one of claims 1 to 8,
characterized in that the machining process is a honing process, the tool being a honing tool which is arranged on a spindle and which comprises at least one honing stone which is pressed against the wall of the bore (1) with a feed pressure. Verfahren nach Anspruch 9,
dadurch gekennzeichnet, daß der Zustelldruck mindestens eines Honsteins während der Bearbeitungszeit variiert wird. Method according to claim 9,
characterized in that the feed pressure of at least one honing stone is varied during the processing time. Verfahren nach Anspruch 10,
dadurch gekennzeichnet, daß der Zustelldruck in Abhängigkeit der Drehposition der Spindel variiert wird.A method according to claim 10,
characterized in that the feed pressure is varied depending on the rotational position of the spindle. Verfahren nach Anspruch 10 oder 11,
dadurch gekennzeichnet, daß der Zustelldruck in Abhängigkeit der Hubposition der Spindel variiert wird.A method according to claim 10 or 11,
characterized in that the feed pressure is varied depending on the stroke position of the spindle. Honmaschine zur Durchführung des Verfahrens zur Bearbeitung einer Bohrung nach einem der Ansprüche 9 bis 12,
dadurch gekennzeichnet, daß die Honmaschine ein bis vier Honsteine umfaßt, wobei der Zustelldruck für jeden Honstein separat steuerbar ist.Honing machine for carrying out the method for machining a bore according to one of claims 9 to 12,
characterized in that the honing machine comprises one to four honing stones, the feed pressure for each honing stone being controllable separately. Honmaschine nach Anspruch 13,
dadurch gekennzeichnet, daß die Länge der Honsteine in Richtung der Achse (4) der Bohrung (1) kleiner oder gleich der Länge einzelner Bohrungsabschnitte mit annähernd gleicher Geometrie ist.Honing machine according to claim 13,
characterized in that the length of the honing stones in the direction of the axis (4) of the bore (1) is less than or equal to the length of individual bore sections with approximately the same geometry. Honmaschine nach Anspruch 13 oder 14,
dadurch gekennzeichnet, daß das Honwerkzeug eine untere und/oder obere Führung aufweist.Honing machine according to claim 13 or 14,
characterized in that the honing tool has a lower and / or upper guide.
EP01130399A 2001-12-20 2001-12-20 Method for forming a bore Expired - Lifetime EP1321229B1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DE50114827.2T DE50114827C5 (en) 2001-12-20 2001-12-20 Method of making a bore
EP01130399A EP1321229B1 (en) 2001-12-20 2001-12-20 Method for forming a bore
JP2002364233A JP2003200340A (en) 2001-12-20 2002-12-16 Forming method of bore and honing machine for implementing the method
US10/248,087 US20030120374A1 (en) 2001-12-20 2002-12-17 Method for Producing a Bore
US10/711,138 US6973367B2 (en) 2001-12-20 2004-08-27 Method for producing a bore

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP01130399A EP1321229B1 (en) 2001-12-20 2001-12-20 Method for forming a bore

Publications (2)

Publication Number Publication Date
EP1321229A1 true EP1321229A1 (en) 2003-06-25
EP1321229B1 EP1321229B1 (en) 2009-04-08

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US (1) US20030120374A1 (en)
EP (1) EP1321229B1 (en)
JP (1) JP2003200340A (en)
DE (1) DE50114827C5 (en)

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EP1790435A1 (en) 2005-11-25 2007-05-30 NAGEL Maschinen- und Werkzeugfabrik GmbH Method of honing of bores, honing tool therefor and honed workpiece
DE102006062665A1 (en) * 2006-12-29 2008-07-03 Gehring Gmbh & Co. Kg Bore e.g. cylinder bore, processing method for reciprocating piston engine, involves determining deviations of initial shape of bore from target shape, determining correct data based on deviation, and determining parameters based on data
DE102007024569A1 (en) 2007-05-25 2008-11-27 Daimler Ag Method for manufacturing boreholes in housings, involves shifting reference housing in operating condition and design form corresponding to operating form of borehole is manufactured in operating condition of reference housing
DE102007031589A1 (en) 2007-07-06 2009-01-08 Daimler Ag Slug producing method for internal combustion engine, involves utilizing cutting tool which is arranged rotatably and/or adjustably on hollow cylinder that is adjusted coaxially to bore and arranged in axial direction of bore
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DE102007063567A1 (en) 2007-12-31 2009-07-09 Daimler Ag Non-cylindrical drilling surface producing method for use during processing of cylindrical piston bore in cylinder block of internal combustion engine, involves performing position honing and uniformly smoothening surface
DE102009007439A1 (en) 2009-02-04 2009-10-15 Daimler Ag Machine tool e.g. hone, controlling method for machining surface in cylindrical barrel of internal-combustion engine, involves determining final control parameter set for predetermined final geometry using transfer function
DE102009051258A1 (en) 2009-10-29 2010-06-17 Daimler Ag Cylindrical bearing borehole production method for reciprocating piston engine of passenger car, involves producing asymmetrical initial mold of borehole such that borehole exhibits symmetrical operating mold deviated from initial mold
DE102008064592A1 (en) 2008-12-30 2010-07-08 Daimler Ag Device for manufacturing non-cylindrical inner surface of borehole, has machining tool which is arranged along periphery of bore-hole
DE102009007023A1 (en) 2009-01-31 2010-08-05 Daimler Ag Boreholes i.e. cylinder boreholes for reciprocating piston engine, designing and producing method for use in e.g. passenger car, involves receiving cylinder contact surface by operational form based on preset mechanical and/or thermal load
DE102009059131A1 (en) 2009-12-19 2010-08-12 Daimler Ag Method for machining i.e. honing, of cylindrical path of reciprocating internal combustion engine, involves determining deviation of initial-geometry of position from reference-geometry of position according to processing steps
DE102009010791A1 (en) 2009-02-26 2010-09-02 Daimler Ag Reciprocating engine is provided with cylinder opening, and finely machined cylinder surface, along which piston with piston ring is guided
DE102009010790A1 (en) 2009-02-26 2010-09-02 Daimler Ag Cylinder opening of a lifting piston engine comprises a cylinder face having recess patterns
DE102010052271A1 (en) 2010-11-23 2012-05-24 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Honing tool for honing cylinder surface of borehole in cylinder block of internal combustion engine of motor car, has actuator elements arranged between cutting material body and support unit to act actuating forces of elements on body
US8287214B2 (en) 2006-03-13 2012-10-16 Honda Motor Co., Ltd. Tool head, machine tool and boring method of bore of cylinder block using the machine tool
DE102009024227B4 (en) * 2009-06-08 2013-07-04 Daimler Ag cylinder crankcase
WO2014146919A1 (en) * 2013-03-18 2014-09-25 Elgan-Diamantwerkzeuge Gmbh & Co. Kg Honing method and honing tool
DE102014225164A1 (en) * 2014-12-08 2016-06-09 Elgan-Diamantwerkzeuge Gmbh & Co. Kg Finishing method for producing a rotationally symmetrical bore with an axial contour
DE102015209609A1 (en) * 2015-05-26 2016-12-01 Gehring Technologies Gmbh Method for producing rotationally symmetrical, non-cylindrical bores with a honing tool
DE102016201963A1 (en) * 2016-02-10 2017-08-10 Bayerische Motoren Werke Aktiengesellschaft Engine block of an internal combustion engine
WO2017167829A1 (en) * 2016-03-29 2017-10-05 Gehring Technologies Gmbh Method for producing rotationally symmetrical, non-cylindrical bores with a honing tool, and honing machine which is designed and equipped for making a cylindrical bore into a conical bore
DE102016205754A1 (en) * 2016-04-07 2017-10-12 Bayerische Motoren Werke Aktiengesellschaft Method for producing an engine block of an internal combustion engine
DE102016110007A1 (en) 2016-05-31 2017-11-30 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Cylinder for a reciprocating engine and method for finishing a cylinder for a reciprocating engine
WO2019201717A1 (en) 2018-04-20 2019-10-24 Elgan-Diamantwerkzeuge Gmbh & Co. Kg Precision machining method for producing a non-circularly-cylindrical bore, precision machining system and grinding tool unit
EP3271097B1 (en) * 2015-05-26 2019-11-20 Gehring Technologies GmbH Method for producing rotationally symmetrical, non-cylindrical bores using a honing tool
DE102015017348B4 (en) 2015-05-26 2024-07-11 Gehring Technologies Gmbh + Co. Kg Method for the conformation of a cylindrical bore and process chain for the shaping of cylindrical bores

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CN103890361B (en) 2011-12-22 2017-04-05 日产自动车株式会社 The manufacture method of cylinder block
DE102013221375A1 (en) 2013-10-22 2015-04-23 Ford Global Technologies, Llc Method for producing a coated bore surface, in particular a cylinder bore
DE102014221363A1 (en) 2013-10-22 2015-04-23 Ford Global Technologies, Llc Method for producing a coated cylinder bore of an internal combustion engine

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Publication number Priority date Publication date Assignee Title
EP1790435A1 (en) 2005-11-25 2007-05-30 NAGEL Maschinen- und Werkzeugfabrik GmbH Method of honing of bores, honing tool therefor and honed workpiece
EP2277661A1 (en) 2005-11-25 2011-01-26 Nagel Maschinen- und Werkzeugfabrik GmbH Method for honing bores and honing tool therefor
EP2279829A1 (en) 2005-11-25 2011-02-02 Nagel Maschinen- und Werkzeugfabrik GmbH Method for honing bores and honing tool therefor
EP2110204A1 (en) 2005-11-25 2009-10-21 Nagel Maschinen- und Werkzeugfabrik GmbH Method for honing bores and honing tool therefor
EP2277662A1 (en) 2005-11-25 2011-01-26 Nagel Maschinen- und Werkzeugfabrik GmbH Method for honing bores and honing tool therefor
DE112007000560B4 (en) * 2006-03-13 2015-02-05 Honda Motor Co., Ltd. Tool head, machine tool and drilling method for drilling a cylinder block using the machine tool
US8287214B2 (en) 2006-03-13 2012-10-16 Honda Motor Co., Ltd. Tool head, machine tool and boring method of bore of cylinder block using the machine tool
DE102006062665A1 (en) * 2006-12-29 2008-07-03 Gehring Gmbh & Co. Kg Bore e.g. cylinder bore, processing method for reciprocating piston engine, involves determining deviations of initial shape of bore from target shape, determining correct data based on deviation, and determining parameters based on data
DE102007024569A1 (en) 2007-05-25 2008-11-27 Daimler Ag Method for manufacturing boreholes in housings, involves shifting reference housing in operating condition and design form corresponding to operating form of borehole is manufactured in operating condition of reference housing
DE102007031589A1 (en) 2007-07-06 2009-01-08 Daimler Ag Slug producing method for internal combustion engine, involves utilizing cutting tool which is arranged rotatably and/or adjustably on hollow cylinder that is adjusted coaxially to bore and arranged in axial direction of bore
DE102007038123B4 (en) * 2007-08-04 2010-06-10 Gehring Technologies Gmbh Machine for producing non-cylindrical bore surfaces
US8292695B2 (en) 2007-08-04 2012-10-23 Gehring Technologies Gmbh Machine for creating non-cylindrical bore surfaces
DE102007038123A1 (en) 2007-08-04 2009-02-05 Gehring Gmbh & Co. Kg Machine for producing non-cylindrical bore surfaces
DE102007063567A1 (en) 2007-12-31 2009-07-09 Daimler Ag Non-cylindrical drilling surface producing method for use during processing of cylindrical piston bore in cylinder block of internal combustion engine, involves performing position honing and uniformly smoothening surface
DE102008064592A1 (en) 2008-12-30 2010-07-08 Daimler Ag Device for manufacturing non-cylindrical inner surface of borehole, has machining tool which is arranged along periphery of bore-hole
DE102008064592B4 (en) * 2008-12-30 2014-08-28 Gehring Technologies Gmbh Device for producing a non-cylindrical inner surface of a bore
DE102009007023A1 (en) 2009-01-31 2010-08-05 Daimler Ag Boreholes i.e. cylinder boreholes for reciprocating piston engine, designing and producing method for use in e.g. passenger car, involves receiving cylinder contact surface by operational form based on preset mechanical and/or thermal load
DE102009007439A1 (en) 2009-02-04 2009-10-15 Daimler Ag Machine tool e.g. hone, controlling method for machining surface in cylindrical barrel of internal-combustion engine, involves determining final control parameter set for predetermined final geometry using transfer function
DE102009010791A1 (en) 2009-02-26 2010-09-02 Daimler Ag Reciprocating engine is provided with cylinder opening, and finely machined cylinder surface, along which piston with piston ring is guided
DE102009010791B4 (en) 2009-02-26 2019-07-18 Daimler Ag Cylinder bore of a reciprocating engine
DE102009010790A1 (en) 2009-02-26 2010-09-02 Daimler Ag Cylinder opening of a lifting piston engine comprises a cylinder face having recess patterns
DE102009024227B4 (en) * 2009-06-08 2013-07-04 Daimler Ag cylinder crankcase
DE102009051258A1 (en) 2009-10-29 2010-06-17 Daimler Ag Cylindrical bearing borehole production method for reciprocating piston engine of passenger car, involves producing asymmetrical initial mold of borehole such that borehole exhibits symmetrical operating mold deviated from initial mold
DE102009059131A1 (en) 2009-12-19 2010-08-12 Daimler Ag Method for machining i.e. honing, of cylindrical path of reciprocating internal combustion engine, involves determining deviation of initial-geometry of position from reference-geometry of position according to processing steps
DE102010052271B4 (en) 2010-11-23 2019-05-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Honing tool and method for honing the inner surface of a bore in a workpiece
DE102010052271A1 (en) 2010-11-23 2012-05-24 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Honing tool for honing cylinder surface of borehole in cylinder block of internal combustion engine of motor car, has actuator elements arranged between cutting material body and support unit to act actuating forces of elements on body
DE102013204714A1 (en) * 2013-03-18 2014-10-02 Elgan-Diamantwerkzeuge Gmbh & Co. Kg Honing process and honing tool
WO2014146919A1 (en) * 2013-03-18 2014-09-25 Elgan-Diamantwerkzeuge Gmbh & Co. Kg Honing method and honing tool
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DE102013204714B4 (en) 2013-03-18 2024-06-06 Elgan-Diamantwerkzeuge Gmbh & Co. Kg Honing process and honing tool
DE102014225164B4 (en) * 2014-12-08 2017-10-12 Elgan-Diamantwerkzeuge Gmbh & Co. Kg Finishing method for producing a rotationally symmetrical bore with an axial contour
DE102014225164A1 (en) * 2014-12-08 2016-06-09 Elgan-Diamantwerkzeuge Gmbh & Co. Kg Finishing method for producing a rotationally symmetrical bore with an axial contour
EP3271097B1 (en) * 2015-05-26 2019-11-20 Gehring Technologies GmbH Method for producing rotationally symmetrical, non-cylindrical bores using a honing tool
DE102015017348B4 (en) 2015-05-26 2024-07-11 Gehring Technologies Gmbh + Co. Kg Method for the conformation of a cylindrical bore and process chain for the shaping of cylindrical bores
DE102015209609B4 (en) 2015-05-26 2024-05-16 Gehring Technologies Gmbh + Co. Kg Method for the conformation of a cylindrical bore and process chain for the shaping of cylindrical bores
DE102015209609A1 (en) * 2015-05-26 2016-12-01 Gehring Technologies Gmbh Method for producing rotationally symmetrical, non-cylindrical bores with a honing tool
US10675730B2 (en) 2015-05-26 2020-06-09 Gehring Technologies Gmbh Method for producing rotationally symmetrical, non cylindrical bores using a honing tool
DE102016201963A1 (en) * 2016-02-10 2017-08-10 Bayerische Motoren Werke Aktiengesellschaft Engine block of an internal combustion engine
WO2017167829A1 (en) * 2016-03-29 2017-10-05 Gehring Technologies Gmbh Method for producing rotationally symmetrical, non-cylindrical bores with a honing tool, and honing machine which is designed and equipped for making a cylindrical bore into a conical bore
KR20180126051A (en) * 2016-03-29 2018-11-26 게링 테크놀로지스 게엠베하 A method for creating a rotationally symmetric non-cylindrical bore designed and arranged to circularize a cylindrical bore using a honing tool and a honing machine
CN108472785A (en) * 2016-04-07 2018-08-31 宝马股份公司 Method for the engine cylinder body for manufacturing internal combustion engine
DE102016205754A1 (en) * 2016-04-07 2017-10-12 Bayerische Motoren Werke Aktiengesellschaft Method for producing an engine block of an internal combustion engine
WO2017207633A1 (en) 2016-05-31 2017-12-07 Volkswagen Aktiengesellschaft Cylinder, method for finishing a cylinder, reciprocating piston system and use of a reciprocating piston system
DE102016110007A1 (en) 2016-05-31 2017-11-30 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Cylinder for a reciprocating engine and method for finishing a cylinder for a reciprocating engine
DE102018206113A1 (en) 2018-04-20 2019-10-24 Elgan-Diamantwerkzeuge Gmbh & Co. Kg Finishing method for producing a non-circular cylindrical bore and fine machining system and grinding tool unit
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Also Published As

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EP1321229B1 (en) 2009-04-08
DE50114827C5 (en) 2017-05-24
DE50114827D1 (en) 2009-05-20
US20030120374A1 (en) 2003-06-26
JP2003200340A (en) 2003-07-15

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