EP1518643A1 - Dispositif de finition - Google Patents

Dispositif de finition Download PDF

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Publication number
EP1518643A1
EP1518643A1 EP03400054A EP03400054A EP1518643A1 EP 1518643 A1 EP1518643 A1 EP 1518643A1 EP 03400054 A EP03400054 A EP 03400054A EP 03400054 A EP03400054 A EP 03400054A EP 1518643 A1 EP1518643 A1 EP 1518643A1
Authority
EP
European Patent Office
Prior art keywords
finishing
workpiece
belt
finishing device
curved
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
EP03400054A
Other languages
German (de)
English (en)
Other versions
EP1518643B1 (fr
Inventor
Hildebrandt Oliver
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.)
Supfina Grieshaber GmbH and Co KG
Original Assignee
Supfina Grieshaber 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 Supfina Grieshaber GmbH and Co KG filed Critical Supfina Grieshaber GmbH and Co KG
Priority to DE50312089T priority Critical patent/DE50312089D1/de
Priority to AT03400054T priority patent/ATE447461T1/de
Priority to EP03400054A priority patent/EP1518643B1/fr
Publication of EP1518643A1 publication Critical patent/EP1518643A1/fr
Application granted granted Critical
Publication of EP1518643B1 publication Critical patent/EP1518643B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • 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
    • B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
    • B24B19/08—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding non-circular cross-sections, e.g. shafts of elliptical or polygonal cross-section
    • B24B19/12—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding non-circular cross-sections, e.g. shafts of elliptical or polygonal cross-section for grinding cams or camshafts
    • 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
    • B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
    • B24B21/004—Machines or devices using grinding or polishing belts; Accessories therefor using abrasive rolled strips

Definitions

  • the description relates to a finishing device for a Finishing machine, with a finishing tape, which in Drivable in the longitudinal direction and with a contact area at one machining workpiece can be applied.
  • the workpieces to be machined are For example, to components such as transmission shafts, camshafts, Crankshafts or the like. At these waves will be Bearings or bearings, sealed bearings or the like processed.
  • the waves can balance weights, so-called Cheeks, which are adjacent to a storage location can be arranged.
  • Cheeks which are adjacent to a storage location can be arranged.
  • the storage areas at their lateral edges, for example, to a Can adjoin the cheek, a transitional section, the for example, may be formed as a radius.
  • the invention is based on the object to create a finishing device, with the transitions without Rugged geometry changes can be produced.
  • finishing tape in its investment area around a longitudinal direction the axis of the finishing strip has a curvature, and that the finishing tape between the axis and the workpiece is arranged.
  • finishing belt around a transverse to the longitudinal direction of the finishing strip Axis is curved, so that the workpiece partially from the Embraced finishing tape is in the inventive Finishing device the finishing belt around a longitudinal direction extending axis curved or has a curvature.
  • the finishing tape between the axis and the workpiece is, the finishing tape may be the geometry of the workpiece adapt and in particular on the workpiece trainees Transition areas edit this transition area flow smoothly into adjacent areas of the workpiece can be formed without scores.
  • the finishing belt is preferably complementary to the contour of the Workpiece curved. Thus, in transition areas and to adjacent areas of the workpiece high Surface qualities are achieved.
  • workpiece is driven in rotation. hereby can be high along the entire circumference of a workpiece Surface qualities, especially in the transition areas, getting produced.
  • the contact area of the finishing tape can be a first, parallel to the axis of rotation of the workpiece extending portion have, and / or a curved, second portion, whose perpendicular run obliquely to the axis of rotation.
  • a Storage area such as a crankshaft
  • This is particularly advantageous when the curvature of the second subarea equal to one on the workpiece Trainee radius is.
  • the investment area of Finish bands adapted to the contour of the workpiece. By the in two partial areas formed contact the contact area of the Finish bands with the workpiece can simultaneously storage areas and radii are processed.
  • the finishing tape can be around the longitudinal axis also be curved several times. This is, for example, the Case, when a bearing surface to be processed with their opposite sides adjacent to two transition areas, the in turn be arranged adjacent to a cheek surface can.
  • the finishing tape can then be used both in the first as well be curved in the second transition region, so that as smooth transitions between the radii and the Storage area can be formed.
  • the can Curvature radii of the parts of the finishing tape also differ from each other.
  • finishing tape guide provided the curvature of the finishing tape around the longitudinal axis changes.
  • finishing belt inlet with an on the piece of the finishing strip to be brought to the workpiece a non-curved in a curved state convertible is.
  • finishing tape is on a supply roll Stored on it in an unbroken state is wound up. With the help of the Finishbandeinlaufs can Finishing tape then be converted into a curved state.
  • the finishing band guide a Finish belt outlet, with the one of the workpiece wegcuitder portion of the finishing tape from a curved can be converted into an unbent state.
  • the finishing tape which in its investment area a curvature has, again transferred to a non-curved state and a take-up roll are supplied.
  • the finishing band guide has guide surfaces on, which surround the finishing tape at least in sections.
  • the guide surfaces hollow cylindrical, so that the finishing belt especially is performed reliably.
  • a Contact element provided, which is the contact area of Pressing finishing bands against the workpiece.
  • the contact element is complementary to Contour of the workpiece formed. This can do that Finishing belt particularly well relative to the workpiece formed Partial surfaces are aligned, while being a good Material removal is achievable.
  • a development of the invention provides that the Area of application of the finishing strip the workpiece in sections wraps.
  • the wrap can, for example, 2 ° to 40 °, in particular 30 °.
  • the wrap can also by elastic deformation of the contact element and the band arise.
  • the contact element does not necessarily have to be preformed be. It should be noted that a small wrap angle the curvature of the finishing tape around the longitudinal direction of the Finish bands running axis easier. The smaller the The wrap angle is, the better one is De-stressing the lateral edge areas of the finishing tape guaranteed. It is also conceivable that one wrap angle is finished.
  • drive means can be provided with which the finishing belt oscillating transversely to its longitudinal direction is drivable.
  • the Workpiece oscillating transversely to the longitudinal direction of the finishing belt be drivable.
  • FIG. 1 shows a total of 10 Processing pliers of a not shown Finest-processing machine, wherein the processing tongs 10th has two processing arms 12 and 14, which pivot around bearings 16 and 18 are mounted so pivotally that their free Ends 20 and 22 in the direction of a workpiece 24th or are pivoted away from this.
  • reference numeral 26 denotes a finishing belt denoted by a supply roll, not shown in Drawn off direction of the arrow 28, via a guide roller 30th deflected and fed to a finishing device 32. Out this passes the finishing belt 26 to an additional guide 34 and finally to a take-up reel, not shown.
  • the Machining of shaft seats should be done with two Finishing devices 32 take place.
  • a Bracket 36 attached to the one bezel 38 in one piece is formed.
  • This bezel 38 serves to receive a Insert 40, in which two investment pieces 42 are arranged, the abut the workpiece 24.
  • the bezel 38 is due to the Centrifugal forces only in the processing of crank bearings a crankshaft needed.
  • the finishing device 32 is increased shown.
  • a Holding bracket 44 by means of two screws 46 and 48 attached.
  • Finishing belt inlet with the aid of a fastening screw 52 secured.
  • the finish belt inlet 50 has an outward direction rounded start-up element 54 for the of the guide roller 30th supplied finishing belt 26.
  • start-up element 54 is the finishing belt relative to a finish belt infeed 50 formed hollow cylindrical guide surface 56th aligned.
  • the guide surface 56 is the finishing belt 26 from a non-curved to a curved state transferred.
  • a contact element 58 the is mounted positively in a bearing element 60, the Holding block 44 is arranged.
  • the finishing belt 26 lies with a Investment area 62 on the workpiece 24 and wraps around this within a small angle of wrap 64.
  • the hanger 44 and the bearing element 60 are made in one piece.
  • the finishing belt 26 is a hollow cylindrical guide surface 66, which in a Finish belt outlet 68 is provided. Following this the finishing belt 26 passes a deflecting element 70 before it Additional guide 34 and the take-up reel, not shown is supplied.
  • FIG. 3 a section of the finish belt intake 50 is shown shown. In this is the already mentioned hollow cylindrical guide surface 56 is formed. That at height the deflection roller 30 shown in Figure 2 is still not curved Finishing tape is through the guide surface 56 in a curved state transferred and then comes along with its abutment region 62 in contact with the workpiece 24th
  • the finishing tape 26 is one in the longitudinal direction of the finishing tape 26 extending axis 72, which is perpendicular to a rotation axis 74 of the workpiece 24 extends, repeatedly curved.
  • the Finishing belt 26 has a first portion 76, with the it with a formed on the workpiece 24 bearing surface in Contact stands. Adjacent to the first portion 76 has the Finishing band 26 curved, second portions 80, wherein the Curvature of the finishing strip in these sections on the workpiece 24 to be machined radii 82 corresponds. Adjacent to the Radii 82 are formed on the workpiece 24 cheeks 84.
  • the radii 82 seamlessly into the storage area 78 or in the of go over the cheeks 84 trained areas.
  • the bearing surface 78 formed as wide as possible
  • the radii 82 Form notches for the workpiece 24.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Grinding Of Cylindrical And Plane Surfaces (AREA)
EP03400054A 2003-09-16 2003-09-16 Dispositif de finition Expired - Lifetime EP1518643B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE50312089T DE50312089D1 (de) 2003-09-16 2003-09-16 Finishvorrichtung
AT03400054T ATE447461T1 (de) 2003-09-16 2003-09-16 Finishvorrichtung
EP03400054A EP1518643B1 (fr) 2003-09-16 2003-09-16 Dispositif de finition

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP03400054A EP1518643B1 (fr) 2003-09-16 2003-09-16 Dispositif de finition

Publications (2)

Publication Number Publication Date
EP1518643A1 true EP1518643A1 (fr) 2005-03-30
EP1518643B1 EP1518643B1 (fr) 2009-11-04

Family

ID=34178676

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03400054A Expired - Lifetime EP1518643B1 (fr) 2003-09-16 2003-09-16 Dispositif de finition

Country Status (3)

Country Link
EP (1) EP1518643B1 (fr)
AT (1) ATE447461T1 (fr)
DE (1) DE50312089D1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2399706A1 (fr) * 2010-06-22 2011-12-28 Supfina Grieshaber GmbH & Co. KG Dispositif de finissage pour le finissage de surfaces de pièces usinées
WO2013030194A1 (fr) * 2011-08-31 2013-03-07 Nagel Maschinen- Und Werkzeugfabrik Gmbh Machine de finition de surfaces courbes de pièces à usiner
EP2617523A1 (fr) * 2012-01-23 2013-07-24 Supfina Grieshaber GmbH & Co. KG Dispositif de finissage pour le finissage de surfaces d'une pièce usinée
WO2019115323A1 (fr) * 2017-12-14 2019-06-20 Thielenhaus Technologies Gmbh Sabot de pressage
DE102022114485A1 (de) 2022-06-09 2023-12-14 Supfina Grieshaber Gmbh & Co. Kg Finishvorrichtung zur Finishbearbeitung von Werkstücken

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103447919B (zh) * 2013-09-02 2015-09-23 奇瑞汽车股份有限公司 一种自动去除凸轮轴黑斑的装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2269553A (en) * 1992-08-14 1994-02-16 Phillips J D Corp Crankpin grinder
DE4401548A1 (de) * 1994-01-13 1995-09-28 Klemm Gerhard Wilhelm Vorrichtung für die Bearbeitung von Werkstücken
DE29819443U1 (de) * 1998-10-31 1998-12-24 Nagel Maschinen- und Werkzeugfabrik GmbH, 72622 Nürtingen Vorrichtung zur Feinbearbeitung von im wesentlichen zylindrischen Werkstückoberflächen
US20010041523A1 (en) * 2000-05-04 2001-11-15 Societe Des Procedes Et Machines Speciales Machine for grinding cylindrical bearing surfaces on parts using an abrasive belt

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2269553A (en) * 1992-08-14 1994-02-16 Phillips J D Corp Crankpin grinder
DE4401548A1 (de) * 1994-01-13 1995-09-28 Klemm Gerhard Wilhelm Vorrichtung für die Bearbeitung von Werkstücken
DE29819443U1 (de) * 1998-10-31 1998-12-24 Nagel Maschinen- und Werkzeugfabrik GmbH, 72622 Nürtingen Vorrichtung zur Feinbearbeitung von im wesentlichen zylindrischen Werkstückoberflächen
US20010041523A1 (en) * 2000-05-04 2001-11-15 Societe Des Procedes Et Machines Speciales Machine for grinding cylindrical bearing surfaces on parts using an abrasive belt

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2399706A1 (fr) * 2010-06-22 2011-12-28 Supfina Grieshaber GmbH & Co. KG Dispositif de finissage pour le finissage de surfaces de pièces usinées
US8602849B2 (en) 2010-06-22 2013-12-10 Supfina Grieshaber Gmbh & Co. Kg Finishing device for finishing a surface of a workpiece
WO2013030194A1 (fr) * 2011-08-31 2013-03-07 Nagel Maschinen- Und Werkzeugfabrik Gmbh Machine de finition de surfaces courbes de pièces à usiner
CN104039503A (zh) * 2011-08-31 2014-09-10 纳格尔机械及工具制造厂有限责任公司 用于在工件处精加工弯曲的工件表面的精整机
EP2750829B1 (fr) 2011-08-31 2016-04-20 Nagel Maschinen- und Werkzeugfabrik GmbH Machine de finition de surfaces courbes de pièces à usiner
EP2617523A1 (fr) * 2012-01-23 2013-07-24 Supfina Grieshaber GmbH & Co. KG Dispositif de finissage pour le finissage de surfaces d'une pièce usinée
US9050702B2 (en) 2012-01-23 2015-06-09 Supfina Grieshaber Gmbh & Co. Kg Finishing device for finish-machining of a workpiece
WO2019115323A1 (fr) * 2017-12-14 2019-06-20 Thielenhaus Technologies Gmbh Sabot de pressage
DE102022114485A1 (de) 2022-06-09 2023-12-14 Supfina Grieshaber Gmbh & Co. Kg Finishvorrichtung zur Finishbearbeitung von Werkstücken

Also Published As

Publication number Publication date
DE50312089D1 (de) 2009-12-17
EP1518643B1 (fr) 2009-11-04
ATE447461T1 (de) 2009-11-15

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