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WO2006131354A3 - Forged toothed section which is at least partially surface-compacted - Google Patents

Forged toothed section which is at least partially surface-compacted Download PDF

Info

Publication number
WO2006131354A3
WO2006131354A3 PCT/EP2006/005474 EP2006005474W WO2006131354A3 WO 2006131354 A3 WO2006131354 A3 WO 2006131354A3 EP 2006005474 W EP2006005474 W EP 2006005474W WO 2006131354 A3 WO2006131354 A3 WO 2006131354A3
Authority
WO
WIPO (PCT)
Prior art keywords
compacted
toothed section
partially surface
forged toothed
forged
Prior art date
Application number
PCT/EP2006/005474
Other languages
German (de)
French (fr)
Other versions
WO2006131354A2 (en
Inventor
Gerhard Kotthoff
Original Assignee
Gkn Sinter Metals Holding Gmbh
Gerhard Kotthoff
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 Gkn Sinter Metals Holding Gmbh, Gerhard Kotthoff filed Critical Gkn Sinter Metals Holding Gmbh
Publication of WO2006131354A2 publication Critical patent/WO2006131354A2/en
Publication of WO2006131354A3 publication Critical patent/WO2006131354A3/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • B23P15/14—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass gear parts, e.g. gear wheels
    • 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
    • B21H5/00—Making gear wheels, racks, spline shafts or worms
    • B21H5/02—Making gear wheels, racks, spline shafts or worms with cylindrical outline, e.g. by means of die rolls
    • B21H5/022—Finishing gear teeth with cylindrical outline, e.g. burnishing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K1/00—Making machine elements
    • B21K1/28—Making machine elements wheels; discs
    • B21K1/30—Making machine elements wheels; discs with gear-teeth
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
    • B22F5/08—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of toothed articles, e.g. gear wheels; of cam discs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
    • B22F7/06—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
    • F16H55/02—Toothed members; Worms
    • F16H55/08—Profiling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/12—Both compacting and sintering
    • B22F3/16—Both compacting and sintering in successive or repeated steps
    • B22F3/164—Partial deformation or calibration
    • B22F2003/166—Surface calibration, blasting, burnishing, sizing, coining
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/24—After-treatment of workpieces or articles
    • B22F2003/241—Chemical after-treatment on the surface
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/24—After-treatment of workpieces or articles
    • B22F2003/247—Removing material: carving, cleaning, grinding, hobbing, honing, lapping, polishing, milling, shaving, skiving, turning the surface
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/24—After-treatment of workpieces or articles
    • B22F2003/248—Thermal after-treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
    • B22F2998/10—Processes characterised by the sequence of their steps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H2057/0087—Computer aided design [CAD] specially adapted for gearing features; Analysis of gear systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
    • F16H55/02—Toothed members; Worms
    • F16H55/06—Use of materials; Use of treatments of toothed members or worms to affect their intrinsic material properties

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Materials Engineering (AREA)
  • Powder Metallurgy (AREA)
  • Forging (AREA)
  • Component Parts Of Construction Machinery (AREA)

Abstract

The invention relates to a forged component that comprises a toothed section.
PCT/EP2006/005474 2005-06-10 2006-06-08 Forged toothed section which is at least partially surface-compacted WO2006131354A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005027907A DE102005027907A1 (en) 2005-06-10 2005-06-10 Forged toothing
DE102005027907.4 2005-06-10

Publications (2)

Publication Number Publication Date
WO2006131354A2 WO2006131354A2 (en) 2006-12-14
WO2006131354A3 true WO2006131354A3 (en) 2007-05-10

Family

ID=37440098

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2006/005474 WO2006131354A2 (en) 2005-06-10 2006-06-08 Forged toothed section which is at least partially surface-compacted

Country Status (2)

Country Link
DE (1) DE102005027907A1 (en)
WO (1) WO2006131354A2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015201873A1 (en) * 2015-02-03 2016-08-18 Gkn Sinter Metals Engineering Gmbh Silent gear
FR3048734B1 (en) * 2016-03-09 2019-07-05 Valeo Equipements Electriques Moteur MOTOR VEHICLE STARTER GEAR WITH IMPROVED ACOUSTIC PERFORMANCE
WO2018129150A1 (en) 2017-01-05 2018-07-12 Gkn Sinter Metals, Llc Nvh modification for differential assembly
DE102019209201A1 (en) * 2019-06-26 2020-03-12 Zf Friedrichshafen Ag Method of manufacturing a gear component and gear grinding machine

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4111031A (en) * 1977-09-09 1978-09-05 General Motors Corporation Powder metal crown gear forming process
GB2250227A (en) * 1990-10-08 1992-06-03 Formflo Ltd Surface hardening gear wheels
EP0826448A1 (en) * 1996-08-30 1998-03-04 Borg-Warner Automotive, Inc. Method of forming powdered metal forged parts after cold working
US20040062673A1 (en) * 2002-10-01 2004-04-01 Federal-Mogul World Wide, Inc. Powder metal clutch races for one-way clutches and method of manufacture

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4059879A (en) * 1975-11-17 1977-11-29 Textron Inc. Method for the controlled mechanical working of sintered porous powder metal shapes to effect surface and subsurface densification
DE3325037C1 (en) * 1983-07-11 1984-07-12 Sintermetallwerk Krebsöge GmbH, 5608 Radevormwald Sintered metal body provided with at least one toothing
US5711187A (en) * 1990-10-08 1998-01-27 Formflo Ltd. Gear wheels rolled from powder metal blanks and method of manufacture
US5903815A (en) * 1992-02-12 1999-05-11 Icm/Krebsoge Composite powdered metal component
DE69314438T2 (en) * 1992-11-30 1998-05-14 Sumitomo Electric Industries Low alloy sintered steel and process for its production
FR2716640B1 (en) * 1994-02-28 1996-05-03 Procedes Machines Speciales Device for centering and blocking a workpiece with a view to running it in using an expansion lapper.
US5754937A (en) * 1996-05-15 1998-05-19 Stackpole Limited Hi-density forming process
US5729822A (en) * 1996-05-24 1998-03-17 Stackpole Limited Gears
JP3108710B2 (en) * 1997-12-26 2000-11-13 株式会社メタルアート Method of manufacturing gear for transmission
US6168754B1 (en) * 1999-02-17 2001-01-02 Federal-Mogul World Wide, Inc. Method and apparatus for densifying powder metal preforms
US6017489A (en) * 1999-02-17 2000-01-25 Federal-Mogul World Wide, Inc. Method of densifying powder metal preforms
GB2360825B (en) * 2000-03-30 2004-11-17 Formflo Ltd Gear wheels roll formed from powder metal blanks
JP2006523775A (en) * 2003-03-18 2006-10-19 ザ　ペン　ステート　リサーチ　ファウンデーション Method and apparatus for toughening powder metal gears by ausforming

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4111031A (en) * 1977-09-09 1978-09-05 General Motors Corporation Powder metal crown gear forming process
GB2250227A (en) * 1990-10-08 1992-06-03 Formflo Ltd Surface hardening gear wheels
EP0826448A1 (en) * 1996-08-30 1998-03-04 Borg-Warner Automotive, Inc. Method of forming powdered metal forged parts after cold working
US20040062673A1 (en) * 2002-10-01 2004-04-01 Federal-Mogul World Wide, Inc. Powder metal clutch races for one-way clutches and method of manufacture

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
GERHARD KOTTHOFF: "Neue Verfahren zur Tragfähigkeitssteigerung von gesinterten Zahnrädern (Doktorarbeit)", DISSERTATION, XX, XX, 23 June 2003 (2003-06-23), XP001247665 *

Also Published As

Publication number Publication date
DE102005027907A1 (en) 2006-12-14
WO2006131354A2 (en) 2006-12-14

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