WO2001071208A1 - Method for finishing the surface of a rolling contact component - Google Patents
Method for finishing the surface of a rolling contact component Download PDFInfo
- Publication number
- WO2001071208A1 WO2001071208A1 PCT/NL2001/000235 NL0100235W WO0171208A1 WO 2001071208 A1 WO2001071208 A1 WO 2001071208A1 NL 0100235 W NL0100235 W NL 0100235W WO 0171208 A1 WO0171208 A1 WO 0171208A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- calendering
- ball
- burnishing
- contact component
- rolling contact
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000005096 rolling process Methods 0.000 title claims abstract description 23
- 238000003490 calendering Methods 0.000 claims abstract description 20
- 239000000463 material Substances 0.000 claims abstract description 9
- 238000005520 cutting process Methods 0.000 claims abstract description 8
- 239000012530 fluid Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007730 finishing process Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
Classifications
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/58—Raceways; Race rings
- F16C33/64—Special methods of manufacture
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2240/00—Specified values or numerical ranges of parameters; Relations between them
- F16C2240/12—Force, load, stress, pressure
- F16C2240/18—Stress
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2240/00—Specified values or numerical ranges of parameters; Relations between them
- F16C2240/40—Linear dimensions, e.g. length, radius, thickness, gap
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2240/00—Specified values or numerical ranges of parameters; Relations between them
- F16C2240/40—Linear dimensions, e.g. length, radius, thickness, gap
- F16C2240/42—Groove sizes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/47—Burnishing
Definitions
- the invention is related to the field of finishing the surface of a rolling contact component.
- a rolling contact component can form part of a rolling element bearing, e.g. a bearing ring or a ball-type or roller-type rolling element.
- components which form part of a rolling traction drive are encompassed, e.g. the power rollers and discs of an infinitively or continuously variable transmission.
- a proportioning and strengthening of the surface in question is obtained by means of a ball calendering (burnishing) tool which plastically deforms the roughness peaks which are left behind after a hard turning or rough grinding operation.
- the tool comprises a holder at the tip of which a ball is usually rotatably supported by means of a pressure fluid.
- the calendering ball has a diameter of 2 mm to 13 mm.
- a method of this type for manufacturing a traction drive rolling element has been disclosed in Japanese patent application JP-A-9137854. According to this prior art method, a surface pressures of 7 GPa or higher is applied. As a result, compressive residual stresses are obtained beneath the surface thus treated which lead to an increase of the rolling fatigue resistance and which would prevent the surface layers from flaking off. The method in question is claimed to generate compressive stresses of about 1.5 GPa at a depth of 0.1 - 0.2 mm beneath the surface.
- the object of the present invention is therefore to provide a method for finishing a surface of a rolling contact component which combines excellent tribological propertied with a long contact fatigue life, good scuffing resistance and a good ability to build up a lubricant film.
- a method for finishing the surface of a rolling contact component such as a bearing rolling element, a bearing ring or a traction drive rolling element, comprising the steps of: carrying out a cutting operation on the surface, - subsequently calendering or burnishing the surface by means of a ball comprising a material harder than the rolling contact component material whereby the maximum calendering or burnishing pressure exerted on the surface is less than 7 GPa.
- the calendering or burnishing pressure By controlling the calendering or burnishing pressure at values less than 7 GPa, first of all the desired pattern or texture of flattened areas or lands is obtained, which areas are separated from each other by grooves. The flattened areas have the same height, which results in a balanced load sharing ability.
- the limitation of the calendering pressure provides reduced residual surface and sub-surface compressive stresses, which leads to an extended life.
- compressive stresses are generated at and/or beneath the surface, which compressive stresses do not exceed 1 GPa absolute.
- the compressive stresses do not exceed 0.8 GPa absolute. Since the surface of the component in question has been overrolled and thereby plastically deformed, it can be expected that the running in takes place already at the manufacturing stage. The bearing therefore does not require running in.
- the process in question can be carried out in a quick and cost-effective manner by combining the (hard) cutting operation and the calendering operation in a single pass turning process.
- the calendering ball may either be of a rolling type or of a sliding type. Furthermore, specific surface portions may be exposed to the calendering or burnishing pressure for more than one time.
- Figure 1 shows a state of the art surface obtained by grinding.
- Figure 2 shows a surface obtained according to the method of the invention.
- the surface shown in figure 1, e.g. of a bearing ring or power roller, has been obtained by a cutting operation and subsequent grinding.
- the surface has a regular pattern of grooves 2 and ridges 1 , providing ISO reference of R A 0.2 ⁇ m.
- the roughness R A in general is 0.27 whereas the roughness on the areas (which need not to be fully flat) is R A 0.1 microns.
- the surface and sub-surface residual compresses stresses are less than 0.8 GPa.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Rolling Contact Bearings (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP01919994A EP1282783A1 (en) | 2000-03-22 | 2001-03-22 | Method for finishing the surface of a rolling contact component |
AU2001246940A AU2001246940A1 (en) | 2000-03-22 | 2001-03-22 | Method for finishing the surface of a rolling contact component |
JP2001569161A JP2003528272A (en) | 2000-03-22 | 2001-03-22 | Finishing method of the surface of rolling contact member |
KR1020027012404A KR20020082897A (en) | 2000-03-22 | 2001-03-22 | Method for finishing the surface of a rolling contact component |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL1014723 | 2000-03-22 | ||
NL1014723A NL1014723C2 (en) | 2000-03-22 | 2000-03-22 | Method for finishing the surface of a rolling contact component. |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2001071208A1 true WO2001071208A1 (en) | 2001-09-27 |
Family
ID=19771056
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/NL2001/000235 WO2001071208A1 (en) | 2000-03-22 | 2001-03-22 | Method for finishing the surface of a rolling contact component |
Country Status (8)
Country | Link |
---|---|
US (1) | US20030176152A1 (en) |
EP (1) | EP1282783A1 (en) |
JP (1) | JP2003528272A (en) |
KR (1) | KR20020082897A (en) |
CN (1) | CN1418292A (en) |
AU (1) | AU2001246940A1 (en) |
NL (1) | NL1014723C2 (en) |
WO (1) | WO2001071208A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL1023342C2 (en) * | 2003-05-05 | 2004-11-09 | Skf Ab | Method for treating the surface of a machine element. |
US11421732B2 (en) | 2017-11-24 | 2022-08-23 | Ntn Corporation | Rolling component, bearing, and method of manufacturing the same |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE0302706L (en) * | 2003-10-14 | 2005-01-25 | Skf Ab | A method for achieving improved roller contact surfaces |
US8752271B2 (en) * | 2004-07-30 | 2014-06-17 | Acushnet Company | Golf club groove configuration |
JP4947884B2 (en) * | 2004-08-20 | 2012-06-06 | 住友重機械工業株式会社 | Method for manufacturing pin of planetary rotating member of planetary reduction mechanism |
US8152687B2 (en) * | 2007-01-24 | 2012-04-10 | Torotrack (Development) Limited | Powdered metal variator components |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4554811A (en) * | 1983-08-04 | 1985-11-26 | Toyoda Koki Kabushiki Kaisha | Crankpin rolling apparatus |
US4916751A (en) * | 1988-02-29 | 1990-04-10 | Nippon Seiko Kabushiki Kaisha | Rolling bearing |
JPH09137854A (en) | 1995-11-15 | 1997-05-27 | Nissan Motor Co Ltd | Finish machining method for traction drive rolling body surface |
DE19628825A1 (en) * | 1996-07-17 | 1998-01-22 | Fag Aircraft Gmbh | Roller bearing for use in air and space travel applications |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2431654A (en) * | 1944-11-03 | 1947-11-25 | George W White | Stock cutting and burnishing tool |
US3049788A (en) * | 1960-02-26 | 1962-08-21 | Omega Ind Inc | Method and apparatus for finishing surfaces |
US4299017A (en) * | 1979-05-11 | 1981-11-10 | W. Hegenscheidt Gesellschaft Mbh | Apparatus for smooth rolling the bearing seats of crankshafts |
US5826453A (en) * | 1996-12-05 | 1998-10-27 | Lambda Research, Inc. | Burnishing method and apparatus for providing a layer of compressive residual stress in the surface of a workpiece |
US6415486B1 (en) * | 2000-03-01 | 2002-07-09 | Surface Technology Holdings, Ltd. | Method and apparatus for providing a residual stress distribution in the surface of a part |
US6622570B1 (en) * | 2000-03-01 | 2003-09-23 | Surface Technology Holdings Ltd. | Method for reducing tensile stress zones in the surface of a part |
-
2000
- 2000-03-22 NL NL1014723A patent/NL1014723C2/en not_active IP Right Cessation
-
2001
- 2001-03-22 KR KR1020027012404A patent/KR20020082897A/en not_active Application Discontinuation
- 2001-03-22 US US10/221,146 patent/US20030176152A1/en not_active Abandoned
- 2001-03-22 CN CN01806841A patent/CN1418292A/en active Pending
- 2001-03-22 AU AU2001246940A patent/AU2001246940A1/en not_active Abandoned
- 2001-03-22 WO PCT/NL2001/000235 patent/WO2001071208A1/en not_active Application Discontinuation
- 2001-03-22 JP JP2001569161A patent/JP2003528272A/en active Pending
- 2001-03-22 EP EP01919994A patent/EP1282783A1/en not_active Withdrawn
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4554811A (en) * | 1983-08-04 | 1985-11-26 | Toyoda Koki Kabushiki Kaisha | Crankpin rolling apparatus |
US4916751A (en) * | 1988-02-29 | 1990-04-10 | Nippon Seiko Kabushiki Kaisha | Rolling bearing |
JPH09137854A (en) | 1995-11-15 | 1997-05-27 | Nissan Motor Co Ltd | Finish machining method for traction drive rolling body surface |
DE19628825A1 (en) * | 1996-07-17 | 1998-01-22 | Fag Aircraft Gmbh | Roller bearing for use in air and space travel applications |
Non-Patent Citations (1)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 1997, no. 09 30 September 1997 (1997-09-30) * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL1023342C2 (en) * | 2003-05-05 | 2004-11-09 | Skf Ab | Method for treating the surface of a machine element. |
US11421732B2 (en) | 2017-11-24 | 2022-08-23 | Ntn Corporation | Rolling component, bearing, and method of manufacturing the same |
Also Published As
Publication number | Publication date |
---|---|
KR20020082897A (en) | 2002-10-31 |
US20030176152A1 (en) | 2003-09-18 |
EP1282783A1 (en) | 2003-02-12 |
AU2001246940A1 (en) | 2001-10-03 |
CN1418292A (en) | 2003-05-14 |
JP2003528272A (en) | 2003-09-24 |
NL1014723C2 (en) | 2001-09-25 |
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