CA1034358A - Strengthening the surface of tubular stock, such as straight or curved heat exchanger tubes - Google Patents

Strengthening the surface of tubular stock, such as straight or curved heat exchanger tubes

Info

Publication number
CA1034358A
CA1034358A CA241,667A CA241667A CA1034358A CA 1034358 A CA1034358 A CA 1034358A CA 241667 A CA241667 A CA 241667A CA 1034358 A CA1034358 A CA 1034358A
Authority
CA
Canada
Prior art keywords
strengthening
straight
heat exchanger
exchanger tubes
tubular stock
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
CA241,667A
Other languages
English (en)
French (fr)
Inventor
Wilhelm Kollbach
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
Application granted granted Critical
Publication of CA1034358A publication Critical patent/CA1034358A/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)
CA241,667A 1974-12-12 1975-12-12 Strengthening the surface of tubular stock, such as straight or curved heat exchanger tubes Expired CA1034358A (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
CA1034358A true CA1034358A (en) 1978-07-11

Family

ID=5933377

Family Applications (1)

Application Number Title Priority Date Filing Date
CA241,667A Expired CA1034358A (en) 1974-12-12 1975-12-12 Strengthening the surface of tubular stock, such as straight or curved heat exchanger tubes

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)

Families Citing this family (4)

* 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
JPH1094869A (ja) * 1996-07-29 1998-04-14 Toyota Motor Corp 鋳造欠陥の除去方法
JP3610716B2 (ja) * 1997-01-23 2005-01-19 トヨタ自動車株式会社 鋳物のシール面の加工方法

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
GB1528210A (en) 1978-10-11
JPS5184765A (ja) 1976-07-24

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