EP1699591B1 - Festwalzgerät einer festwalzmaschine für kurbelwellen - Google Patents

Festwalzgerät einer festwalzmaschine für kurbelwellen Download PDF

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Publication number
EP1699591B1
EP1699591B1 EP04804123A EP04804123A EP1699591B1 EP 1699591 B1 EP1699591 B1 EP 1699591B1 EP 04804123 A EP04804123 A EP 04804123A EP 04804123 A EP04804123 A EP 04804123A EP 1699591 B1 EP1699591 B1 EP 1699591B1
Authority
EP
European Patent Office
Prior art keywords
deep rolling
crankshaft
head
roller
rotational axis
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.)
Not-in-force
Application number
EP04804123A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1699591A1 (de
Inventor
Alfred Heimann
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.)
Hegenscheidt MFD GmbH and Co KG
Original Assignee
Hegenscheidt MFD GmbH and Co KG
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 Hegenscheidt MFD GmbH and Co KG filed Critical Hegenscheidt MFD GmbH and Co KG
Publication of EP1699591A1 publication Critical patent/EP1699591A1/de
Application granted granted Critical
Publication of EP1699591B1 publication Critical patent/EP1699591B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B24B39/00—Burnishing machines or devices, i.e. requiring pressure members for compacting the surface zone; Accessories therefor
    • B24B39/04—Burnishing machines or devices, i.e. requiring pressure members for compacting the surface zone; Accessories therefor designed for working external surfaces of revolution
    • 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
    • B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
    • B24B5/36—Single-purpose machines or devices
    • B24B5/42—Single-purpose machines or devices for grinding crankshafts or crankpins

Definitions

  • the invention relates to a deep rolling machine of a deep rolling machine for crankshafts, with two opposing arms, of which one arm carries a deep rolling head and the other arm a support roller head, wherein the support roller head is provided with two axially parallel support rollers and the deep rolling head with at least one deep rolling roller whose Rotary axis with the axis of rotation of the crankshaft lies in a plane and forms an angle with it, with a drive device which generates the closing and opening movement of the deep rolling device and the deep rolling force.
  • a deep rolling device of the type mentioned is known for example from the DE 299 10 214 U1 and the DE 202 00 926 U1 .
  • there are deep-rolling equipment which have facilities that should avoid collision of the tools with the oil collars of the journals of the crankshaft when closing the deep rolling equipment.
  • two fixed rollers are arranged in a paired manner at a mutual distance from each other, which penetrate under the action of the deep rolling force in the radii or recesses between the bearing pin and the cheeks of the crankshaft, while the crankshaft rotates about its axis of rotation.
  • the axes of rotation of the two fixed rollers each extend in a plane to the axis of rotation of the crankshaft or have a small offset relative to the axis of rotation of the crankshaft.
  • the deep rolling rolls are tilted outwardly and include in this arrangement with the axis of rotation of the crankshaft an acute angle.
  • the two deep-rolling rollers are supported within the deep rolling roller head on a guide roller which is mounted in the deep rolling roller head so that it can not take over forces in the longitudinal direction of the crankshaft.
  • Support roller heads can develop forces in the axial direction, for example, if the axis of one of the two support rollers of a support roller head is not strictly parallel to the axis of rotation of the crankshaft.
  • it may be alignment errors of the deep rolling mill, blow of the crankshaft, conical bearing surfaces of the respective main or connecting rod bearing, which forces in the axial direction, i. in the direction of the axis of rotation of the crankshaft, which are undesirable in terms of a clean work result and whose size depends on the height of the deep rolling force and the prevailing friction conditions.
  • an axial guide roller is fixedly arranged on the deep rolling roller head or on the yoke, which limits an axial movement of the deep rolling device in the longitudinal direction of the axis of rotation of the crankshaft and initiates forces acting in the same direction in the oil collar of the crankshaft.
  • the arrangement of the Axial unitsrolle under an acute angle does not affect the space within the deep rolling machine, the for axial displacement of the crankshaft may be required. Rather, the arrangement leaves a space at the top, which is sufficiently large to serve as an access space for a probe, which measures in a known manner the concentricity of the crankshaft before and after the deep rolling.
  • a deep rolling machine 1 is provided with a driving device (not shown) which serves to receive a crankshaft 3 provided with a crankshaft conveying device 2.
  • the drive device generates the rotational movement of the crankshaft 3 about its axis of rotation 4 during the deep rolling of the main shaft 6 and pin bearing pin 5.
  • the axis of rotation 4 is thus in the axis of rotation of the drive device.
  • the present embodiment is focused on the deep rolling of a crank pin 5 of the crankshaft 3, since this is sufficient to explain the subject invention.
  • the crankpin 5 is associated with a deep rolling machine 8, which is provided in scissors construction with two arms 9,10, a shearing pivot 11, a drive device 12, a deep rolling head 13 and a support roller head 14.
  • the drive device 12 has an adjusting cylinder 15 and a power unit 16.
  • the adjusting cylinder 15 generates the closing and
  • the deep rolling unit 8 is pivotable about an axis 18 to a pivotable about an axis 18 Angle lever 19 articulated.
  • the angle lever 19 can be pivoted by means of a piston-cylinder unit 20.
  • the deep rolling machine 1 is designed so that when closing the deep rolling machine 8, the two axially parallel support rollers 21, 22 of the support roller head 14 and then the two fixed rollers 23, 24 of the deep rolling roller 13 come to the crankpins 5 to the plant.
  • the support roller head 14 performs a pivoting movement 35 about the pivot point 17 and the deep rolling roller head 13 a pivoting movement 36 about the shear pivot point 11.
  • the axial guide roller 27 is cylindrical outside. In the closed position of the deep rolling machine 8 ( FIG. 2 ) are provided for the two free spaces 30, 31 between the oil coils 25, 26 and the axial guide roller 27 individually about 0.25 mm game.
  • the axes of rotation 32 and 33 of the two support rollers 21 and 22 lie in a common plane 34, which leads to a plane 38 which the axis of rotation 4 of the crankshaft. 3 contains, has a distance s.
  • the axis of rotation 7 of the axial guide roller 27 closes with the plane 38, which contains the axis of rotation 4 of the crankshaft 3 and the common plane 34 of the axes of rotation 32 and 33 of the two support rollers 21 and 22 has a distance s and is parallel, an acute angle 37 a.
  • FIG. 4 shown deep rolling machine corresponds to the deep rolling machine, as in the FIGS. 1 and 2 is shown.
  • FIG. 8 is another possible embodiment of a deep rolling machine shown.
  • you have a deep rolling device 49 compact design present.
  • the two arms 43 and 44 are connected to each other via a yoke 45.
  • a lever 46 with two joints 47 and 48 and a corresponding drive (not shown) get the pivoting of the deep rolling device 49 in the working position.
  • the deep rolling roller head 13 is connected in a known manner to the arm 43, the support roller head 50 is brought by a drive 51 with respect to the crankshaft 3 in an open and closed position. From the yoke 45 jumps in the direction of the axis of rotation 4 of the crankshaft 3, an axial guide roller 52.
  • the axial guide roller 52 is rotatably mounted in a socket 53 on the yoke 45.
  • the storage of the axial guide roller 52 in the base 53 may be either rigid, as in the FIG. 8 is shown, but it may also have its own drive (not shown), which is similar to the drive 51, the axial guide roller 52 to transfer into a closed and open position is suitable.
  • sliding bodies can be provided which, without being rotatable themselves, can be moved into the intermediate space 29a between the two oil straps 25 and 26.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
  • Tyre Moulding (AREA)
EP04804123A 2003-12-29 2004-12-21 Festwalzgerät einer festwalzmaschine für kurbelwellen Not-in-force EP1699591B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2003161738 DE10361738B3 (de) 2003-12-29 2003-12-29 Festwalzgerät einer Festwalzmaschine für Kurbelwellen
PCT/EP2004/014525 WO2005063438A1 (de) 2003-12-29 2004-12-21 Festwalzgerät einer festwalzmaschine für kurbelwellen

Publications (2)

Publication Number Publication Date
EP1699591A1 EP1699591A1 (de) 2006-09-13
EP1699591B1 true EP1699591B1 (de) 2009-11-11

Family

ID=34716266

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04804123A Not-in-force EP1699591B1 (de) 2003-12-29 2004-12-21 Festwalzgerät einer festwalzmaschine für kurbelwellen

Country Status (5)

Country Link
EP (1) EP1699591B1 (ja)
JP (1) JP4499745B2 (ja)
CN (1) CN1902028A (ja)
DE (2) DE10361738B3 (ja)
WO (1) WO2005063438A1 (ja)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202005021529U1 (de) * 2005-10-18 2008-07-17 Hegenscheidt-Mfd Gmbh & Co. Kg Festwalzrollenkopf eines Festwalzwerkzeugs
FR2900079B1 (fr) 2006-04-21 2009-01-09 Renault Sas Dispositif de test des outils d'usingage de vilebrequin
US8677581B2 (en) * 2006-09-15 2014-03-25 Hegenscheidt-Mfd Gmbh & Co. Kg Deep rolling machine for crankshafts
DE102007028888B4 (de) 2007-06-20 2015-07-23 Maschinenfabrik Alfing Kessler Gmbh Verfahren zur Erhöhung der Festigkeit eines Bauteils

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06190718A (ja) * 1992-12-22 1994-07-12 Toyota Motor Corp クランクシャフトのローラバニッシュ加工方法および装置
DE19722308C1 (de) * 1997-05-28 1998-04-16 Hegenscheidt Mfd Gmbh Festwalzmaschine für Kurbelwellen
JPH1142560A (ja) * 1997-07-29 1999-02-16 Kobe Steel Ltd 鋳鋼製クランク軸の疲労強度増強加工方法並びにその装置
DE29910214U1 (de) * 1999-06-11 1999-09-02 Hegenscheidt-MFD GmbH, 41812 Erkelenz Festwalzgerät einer Festwalzmaschine für Kurbelwellen
DE20200926U1 (de) * 2002-01-23 2002-04-18 Hegenscheidt-MFD GmbH & Co. KG, 41812 Erkelenz Festwalzgerät einer Festwalzmaschine für Kurbelwellen

Also Published As

Publication number Publication date
EP1699591A1 (de) 2006-09-13
CN1902028A (zh) 2007-01-24
DE502004010369D1 (de) 2009-12-24
JP4499745B2 (ja) 2010-07-07
JP2007516846A (ja) 2007-06-28
DE10361738B3 (de) 2005-09-01
WO2005063438A1 (de) 2005-07-14

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