IN2014CH00713A - - Google Patents

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Publication number
IN2014CH00713A
IN2014CH00713A IN713CH2014A IN2014CH00713A IN 2014CH00713 A IN2014CH00713 A IN 2014CH00713A IN 713CH2014 A IN713CH2014 A IN 713CH2014A IN 2014CH00713 A IN2014CH00713 A IN 2014CH00713A
Authority
IN
India
Prior art keywords
mandrel
tool
plane
working surfaces
annular blanks
Prior art date
Application number
Inventor
Richaud Stefano
Colasanti Paolo
Original Assignee
Skf Ab
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 Skf Ab filed Critical Skf Ab
Publication of IN2014CH00713A publication Critical patent/IN2014CH00713A/en

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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
    • B21H1/00—Making articles shaped as bodies of revolution
    • B21H1/06—Making articles shaped as bodies of revolution rings of restricted axial length
    • B21H1/12—Making articles shaped as bodies of revolution rings of restricted axial length rings for 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Rolling Contact Bearings (AREA)
  • Forging (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)

Abstract

[0033] Two identical annular blanks (20, 30), each having a flat side surface (27, 37), are arranged side to side with the lateral surfaces juxtaposed in a plane of axial symmetry between an inner forming mandrel (M) and an outer, rotating forming tool (R); the mandrel and the outer tool have respective outer working surfaces (A, C) which are axially symmetrical with respect to the plane (p); the mandrel and the outer tool are rotated and approached so as to radially compress and plastically deform the annular blanks (20, 30) between the working surfaces (A, C). (Figure 6)
IN713CH2014 2013-02-21 2014-02-14 IN2014CH00713A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT000145A ITTO20130145A1 (en) 2013-02-21 2013-02-21 COLD SPRAYING PROCEDURE FOR BEARING RING FORMING

Publications (1)

Publication Number Publication Date
IN2014CH00713A true IN2014CH00713A (en) 2015-09-04

Family

ID=48096086

Family Applications (1)

Application Number Title Priority Date Filing Date
IN713CH2014 IN2014CH00713A (en) 2013-02-21 2014-02-14

Country Status (5)

Country Link
EP (1) EP2769781B1 (en)
KR (1) KR20140104906A (en)
CN (1) CN104001843B (en)
IN (1) IN2014CH00713A (en)
IT (1) ITTO20130145A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013214869B4 (en) * 2013-07-30 2019-01-31 Schaeffler Technologies AG & Co. KG Unsymmetric tapered roller bearing for supporting a gear on a gear shaft
DE102016105771A1 (en) * 2016-03-30 2017-10-05 Thyssenkrupp Steel Europe Ag Method for producing a hub having a shaped body and apparatus for carrying out the method
CN106270317A (en) * 2016-08-17 2017-01-04 黄石哈特贝尔精密锻造有限公司 Double-piece cold rolling moulding process and mould
KR20190029291A (en) 2017-09-12 2019-03-20 주식회사 동진금속 Cooling roll apparatus for ring form
CN109226613A (en) * 2018-10-15 2019-01-18 无锡市东日昌轴承制造有限公司 The milling method for preventing bearing collar path from folding
CN113084053B (en) * 2021-03-25 2022-01-04 武汉理工大学 Rolling extrusion composite near-net forming method for large inner contour abrupt cross-section ring piece
CN113579130B (en) * 2021-07-29 2022-07-22 武汉理工大学 Rolling method for special-shaped thin-wall casing ring forging with external island bosses

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4016739A (en) * 1975-12-08 1977-04-12 Vladimir Viktorovich Lapin Method of shaping ring blanks
CN1013744B (en) * 1985-12-04 1991-09-04 哈尔滨工业大学 Precision roil-forming technology of bearing race
US5882123A (en) * 1997-06-03 1999-03-16 The Timken Company Roll-formed bearing race and process for producing the same
DE29907807U1 (en) * 1999-04-28 1999-07-01 Dr. Schiller Walz- und Werkzeugtechnik GmbH, 14943 Luckenwalde Device for producing ring-shaped workpieces by cold forming
ITTO20010324A1 (en) * 2001-04-04 2002-10-04 Skf Ind Spa COLD ROLLING PROCESS AND EQUIPMENT FOR FORMING OF ANNULAR PIECES.
JP2006055894A (en) * 2004-08-23 2006-03-02 Kyoei Seiko Kk Method and apparatus for forming ring body
JP2006218509A (en) * 2005-02-10 2006-08-24 Nippon Spindle Mfg Co Ltd Ring shape blank
JP2006320927A (en) * 2005-05-18 2006-11-30 Daido Steel Co Ltd Method and apparatus for manufacturing tapered bearing

Also Published As

Publication number Publication date
EP2769781B1 (en) 2017-11-29
EP2769781A1 (en) 2014-08-27
KR20140104906A (en) 2014-08-29
CN104001843B (en) 2017-12-26
ITTO20130145A1 (en) 2014-08-22
CN104001843A (en) 2014-08-27

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