GB1528210A - Method and an apparatus for hardening the surface of a workpiece - Google Patents

Method and an apparatus for hardening the surface of a workpiece

Info

Publication number
GB1528210A
GB1528210A GB50682/75A GB5068275A GB1528210A GB 1528210 A GB1528210 A GB 1528210A GB 50682/75 A GB50682/75 A GB 50682/75A GB 5068275 A GB5068275 A GB 5068275A GB 1528210 A GB1528210 A GB 1528210A
Authority
GB
United Kingdom
Prior art keywords
hardening
workpiece
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.)
Expired
Application number
GB50682/75A
Other languages
English (en)
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.)
Vodafone GmbH
Original Assignee
Mannesmannroehren Werke AG
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
Priority claimed from DE19742459140 external-priority patent/DE2459140C3/de
Application filed by Mannesmannroehren Werke AG filed Critical Mannesmannroehren Werke AG
Publication of GB1528210A publication Critical patent/GB1528210A/en
Expired legal-status Critical Current

Links

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
    • 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
    • B24B39/045—Burnishing machines or devices, i.e. requiring pressure members for compacting the surface zone; Accessories therefor designed for working external surfaces of revolution the working tool being composed of a plurality of working rolls or balls
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D7/00—Modifying the physical properties of iron or steel by deformation
    • C21D7/02—Modifying the physical properties of iron or steel by deformation by cold working
    • C21D7/04—Modifying the physical properties of iron or steel by deformation by cold working of the surface
    • C21D7/08—Modifying the physical properties of iron or steel by deformation by cold working of the surface by burnishing or the like

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
GB50682/75A 1974-12-12 1975-12-10 Method and an apparatus for hardening the surface of a workpiece Expired GB1528210A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742459140 DE2459140C3 (de) 1974-12-12 Vorrichtung zur Oberflächenverfestigung von Wärmeaustauscherrohren

Publications (1)

Publication Number Publication Date
GB1528210A true GB1528210A (en) 1978-10-11

Family

ID=5933377

Family Applications (1)

Application Number Title Priority Date Filing Date
GB50682/75A Expired GB1528210A (en) 1974-12-12 1975-12-10 Method and an apparatus for hardening the surface of a workpiece

Country Status (6)

Country Link
JP (1) JPS5184765A (ja)
CA (1) CA1034358A (ja)
FR (1) FR2294235A1 (ja)
GB (1) GB1528210A (ja)
IT (1) IT1051336B (ja)
SE (1) SE7514018L (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2315695A (en) * 1996-07-29 1998-02-11 Toyota Motor Co Ltd Eliminating casting defects by applying pressure
US5997382A (en) * 1997-01-23 1999-12-07 Toyota Jidosha Kabushiki Kaisha Method of processing sealing surface of casting and grindstone suitable for use therein

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2511912A1 (fr) * 1981-09-01 1983-03-04 Fiz Tech I Akad Nauk Procede de durcissement de surfaces de forme compliquee par deformation plastique et pieces traitees conformement audit procede
US4520647A (en) * 1983-08-31 1985-06-04 International Business Machines Corporation Surface finishing process

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2315695A (en) * 1996-07-29 1998-02-11 Toyota Motor Co Ltd Eliminating casting defects by applying pressure
US5997382A (en) * 1997-01-23 1999-12-07 Toyota Jidosha Kabushiki Kaisha Method of processing sealing surface of casting and grindstone suitable for use therein

Also Published As

Publication number Publication date
DE2459140A1 (de) 1976-06-24
DE2459140B2 (de) 1976-10-07
IT1051336B (it) 1981-04-21
FR2294235A1 (fr) 1976-07-09
SE7514018L (sv) 1976-06-14
CA1034358A (en) 1978-07-11
JPS5184765A (ja) 1976-07-24

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee