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US20030164018A1 - Device for setting up work rollers - Google Patents

Device for setting up work rollers Download PDF

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Publication number
US20030164018A1
US20030164018A1 US10/377,130 US37713003A US2003164018A1 US 20030164018 A1 US20030164018 A1 US 20030164018A1 US 37713003 A US37713003 A US 37713003A US 2003164018 A1 US2003164018 A1 US 2003164018A1
Authority
US
United States
Prior art keywords
work
roller
block
guide roller
double
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.)
Abandoned
Application number
US10/377,130
Other languages
English (en)
Inventor
Siegfried Bagusche
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.)
HENGENSCHEIDT-MFD & CO KG GmbH
Original Assignee
Individual
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 Individual filed Critical Individual
Assigned to HENGENSCHEIDT-MFD GMBH & CO KG reassignment HENGENSCHEIDT-MFD GMBH & CO KG ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: DIPL.-ING.SIEGFRIED BAGUSCHE
Publication of US20030164018A1 publication Critical patent/US20030164018A1/en
Abandoned legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
    • B21H7/00—Making articles not provided for in the preceding groups, e.g. agricultural tools, dinner forks, knives, spoons
    • B21H7/18—Making articles not provided for in the preceding groups, e.g. agricultural tools, dinner forks, knives, spoons grooved pins; Rolling grooves, e.g. oil grooves, in articles
    • B21H7/182—Rolling annular grooves
    • B21H7/185—Filet rolling, e.g. of crankshafts
    • 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

Definitions

  • This invention concerns a device for setting up work rollers that are guided and freely rotating in the work roller head of the deep rolling tool in a deep rolling unit designed for the deep rolling of grooves or radii that limit the journals of crankshafts in the axial direction, having a guide roller that is supported and freely rotating about a rotation axis in the work roller head for support of the work rollers in a direction approximately perpendicular to the rotation axis of the guide roller, and roller cages for support and guidance of the work rollers from two sides with outwardly tilted axes as well as L-shaped brackets that are adjustable and lockable on the work roller head, for locking the roller cages on the work roller head.
  • the work roller head is part of a deep rolling tool in a deep rolling unit, several of which are provided within one deep rolling machine.
  • Deep rolling tools are used for the deep-rolling of grooves or radii designed to laterally limit the main or rod journals of a crankshaft in the axial direction.
  • each journal is limited by one groove or radius on either side.
  • crankshafts which in the axial direction have two crank pin journals arranged directly next to one another.
  • Each of the so-called split pin journals is limited by one groove or radius only on one side.
  • the work rollers having approximately the diameter of one Euro coin, are guided and freely rotating in the work roller head. Applying a force, the work rollers are pressed into the grooves or radii of the crankshaft by the deep rolling unit as the crankshaft turns. In this process the work rollers perform a localized compacting of the crankshaft between each journal and its adjacent crank web.
  • the deep rolling force applied approximately perpendicular to the direction of the crankshaft longitudinal axis, equivalent to the rotational axis of the crankshaft, is transmitted to the work rollers from the work roller head via the guide roller.
  • the guide roller is supported and rotates freely about a rotation axis within the work roller head.
  • roller cages On either side of the working direction the work rollers are guided in so-called roller cages. This guidance has a slight play of approximately 0.2 mm.
  • the roller cages are made of a high-strength material which offers favorable sliding characteristics.
  • An appropriate material is, e.g., bronze or also any steel whose surface has been coated.
  • the work rollers are outwardly tilted at an angle. Using their free circumferential surface, that is to say, those sections of the circumference that are neither supported by the guide roller nor covered by the roller cages, the work rollers engage in the grooves or radii of the crankshaft. Due to the rotation of the crankshaft in process, the work rollers are also rotated and, in turn, drag the guide roller along.
  • the roller cages as such are mounted to the housing of the work roller head by so-called L-shaped brackets. Relative to the housing of the work roller head the L-shaped brackets are adjustable and lockable. When the specified position of the work rollers within the work roller head has been reached, the L-shaped brackets are locked in place on the work roller head.
  • FIG. 1 a setup device in the lateral view.
  • FIG. 2 the setup device in front view.
  • FIG. 3 the setup device in top view.
  • FIG. 4 a partial view of FIG. 1 according to the partial view “Z” using an enlarged scale.
  • the device 1 is used to set up work rollers 2 in the work roller head 3 .
  • the work roller head 3 is part of a deep rolling tool in a deep rolling unit for the deep rolling of grooves or radii that limit the journals of crankshafts laterally in the axial direction.
  • a guide roller 4 is supported and freely rotating about a rotation axis 5 in the work roller head 3 .
  • the guide roller 4 serves to support the work rollers 2 in a direction 6 which is approximately perpendicular to the rotation axis 5 of the guide roller 4 .
  • Roller cages 7 are provided for support and guidance of the work rollers 2 on two sides 8 , 9 (FIG. 4).
  • the work rollers 2 are supported with free rotation by the roller cages 7 , having outwardly tilted axes 10 , 11 (FIG. 2).
  • the lateral play between a work roller 2 and the roller cages 7 is approximately 0.2 mm.
  • the work roller head 3 is provided with adjustable and lockable, L-shaped brackets 12 , designed to lock the roller cages 7 in place on the work roller head 3 .
  • the receptacle 13 of the device 1 for the work roller head 3 is so designed that the work roller head 3 can be held in accordance with its retention in the deep rolling unit (not shown).
  • the device 1 includes a primary V-block 14 contacting the circumference 15 of the guide roller 4 , and a secondary double-V-block 16 contacting the circumference 17 of the work rollers 2 from the outside. Finally a measuring instrument 18 is provided for checking a specified position of the work rollers 2 relative to the double-V-block 16 .
  • the primary V-block 14 is located at the end 20 of a holding device 19 which engages into the housing 22 of the work roller head 3 from a face side 21 .
  • the holding device 19 uses the holding device 19 the guide roller 4 is locked into place during setup of the work rollers 2 . It is quite common to adjust the work rollers 2 with a slight off-center setting relative to the rotation axis 5 of the guide roller 4 . This offset is between 0.2 and 0.4 mm.
  • the double-V-block 16 is also located at the end 24 of a holding device 23 which is in line with the rotation axis 5 of the guide roller 4 and has a distance 25 from a side 26 of the housing 22 of the work roller head 3 .
  • the distance 25 of the holding device 23 is adjustable in the direction of the rotation axis 5 of the guide roller 4 .
  • the double-V-block 16 is also tilted at the angle 27 of the outwardly tilted axis 28 of the work roller 2 .
  • the angle 27 may be adjusted.
  • the holding device 23 also has a lateral distance 29 from the line of the rotation axis 5 of the guide roller 4 .
  • This distance 29 is variable and settable between 0.2 and 0.4 mm. In most cases the setting of the distance 29 is so selected that it trails the rotational direction of the rotating crankshaft (not shown).
  • the primary V-block 14 is located at the end 20 of a holding device 19 which is part of the receptacle 13 of the device 1 .
  • the primary V-block 14 is guided and may be longitudinally moved toward the guide roller 4 .
  • the end 20 of the holding device 19 engages in the facing side 21 of the housing 22 of the work roller head 3 .
  • each work roller 2 of a work roller head 3 requires a separate double-V-block 16 .
  • a holding device 23 of the receptacle 13 the double-V-block 16 is guided and may be longitudinally moved toward the work roller 2 .
  • the holding device 23 may be adjusted at an angle 27 which corresponds to the angle of the work rollers 2 in the work roller head 3 .
  • the angle 27 is set using appropriate hinges 34 .
  • a recess 32 is provided on the underside of the holding device 23 , in which the contact point 31 of a dial indicator 30 is engaged.
  • any displacement of the roller cages 7 relative to the housing 22 of the work roller head 3 results in a displacement of the recess 32 relative to the contact point 31 of the dial indicator 30 .
  • the specified setting of the work rollers 2 relative to the circumference 15 of the guide roller 4 , as well as with respect to its angle 27 is considered as attained when the reading of the dial indicator 30 is at a minimum.
  • the L-shaped brackets 12 on the housing 22 of the work roller head 3 are screwed down.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Agronomy & Crop Science (AREA)
  • A Measuring Device Byusing Mechanical Method (AREA)
  • Rolling Contact Bearings (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
US10/377,130 2002-03-02 2003-02-28 Device for setting up work rollers Abandoned US20030164018A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10209301.6-14 2002-03-02
DE10209301A DE10209301C1 (de) 2002-03-02 2002-03-02 Vorrichtung zum Einstellen von Festwalzrollen

Publications (1)

Publication Number Publication Date
US20030164018A1 true US20030164018A1 (en) 2003-09-04

Family

ID=7713999

Family Applications (1)

Application Number Title Priority Date Filing Date
US10/377,130 Abandoned US20030164018A1 (en) 2002-03-02 2003-02-28 Device for setting up work rollers

Country Status (4)

Country Link
US (1) US20030164018A1 (de)
EP (1) EP1340589A1 (de)
DE (2) DE10209301C1 (de)
PL (1) PL358941A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160167107A1 (en) * 2013-07-27 2016-06-16 Hegenscheidt-Mfd Gmbh & Co. Kg Rolling tool

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4574488A (en) * 1984-01-27 1986-03-11 The Boeing Company Gundrill diameter gage and method
US4796363A (en) * 1988-01-11 1989-01-10 Sunnen Products Company Means for supporting a gaging device such as a dial bore gage during the setting thereof
US6393885B1 (en) * 2000-11-07 2002-05-28 Hegenscheidt Mfd Corporation Tooling for deep rolling fillets of crankshaft journals
US6408663B1 (en) * 2001-02-23 2002-06-25 Short Block Technologies, Inc. Method and apparatus for truing crankshafts
US6619090B2 (en) * 2000-12-04 2003-09-16 Hegenscheidt-Mfd Gmbh & Co. Kg Roll-hardening machine for crankshafts
US6666061B2 (en) * 2001-05-28 2003-12-23 Hegenscheidt-Mfd Gmbh & Co. Kg Apparatus for deep rolling of recesses and radii of crankshaft journal bearings

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5445003A (en) * 1994-01-03 1995-08-29 Hegenscheidt Corporation Engine crank pin rolling equipment, rolling tool and method of rolling adjacent and offset crank pins
US5699692A (en) * 1996-10-30 1997-12-23 Lonero Engineering Co., Inc. Tool mechanisms for deep rolling machines

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4574488A (en) * 1984-01-27 1986-03-11 The Boeing Company Gundrill diameter gage and method
US4796363A (en) * 1988-01-11 1989-01-10 Sunnen Products Company Means for supporting a gaging device such as a dial bore gage during the setting thereof
US6393885B1 (en) * 2000-11-07 2002-05-28 Hegenscheidt Mfd Corporation Tooling for deep rolling fillets of crankshaft journals
US6619090B2 (en) * 2000-12-04 2003-09-16 Hegenscheidt-Mfd Gmbh & Co. Kg Roll-hardening machine for crankshafts
US6408663B1 (en) * 2001-02-23 2002-06-25 Short Block Technologies, Inc. Method and apparatus for truing crankshafts
US6666061B2 (en) * 2001-05-28 2003-12-23 Hegenscheidt-Mfd Gmbh & Co. Kg Apparatus for deep rolling of recesses and radii of crankshaft journal bearings

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160167107A1 (en) * 2013-07-27 2016-06-16 Hegenscheidt-Mfd Gmbh & Co. Kg Rolling tool
US10166595B2 (en) * 2013-07-27 2019-01-01 Hegenscheidt-Mfd Gmbh & Co. Kg Rolling tool

Also Published As

Publication number Publication date
PL358941A1 (en) 2003-09-08
DE10209301C1 (de) 2003-03-27
DE20303245U1 (de) 2003-04-30
EP1340589A1 (de) 2003-09-03

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Legal Events

Date Code Title Description
AS Assignment

Owner name: HENGENSCHEIDT-MFD GMBH & CO KG, GERMANY

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:DIPL.-ING.SIEGFRIED BAGUSCHE;REEL/FRAME:014076/0326

Effective date: 20030326

STCB Information on status: application discontinuation

Free format text: EXPRESSLY ABANDONED -- DURING PUBLICATION PROCESS