DE2549244C3 - Verfahren zum konischen Aufweiten der Endbereiche von Bolzennabenbohrungen an Kolben für Verbrennungsmotoren - Google Patents

Verfahren zum konischen Aufweiten der Endbereiche von Bolzennabenbohrungen an Kolben für Verbrennungsmotoren

Info

Publication number
DE2549244C3
DE2549244C3 DE2549244A DE2549244A DE2549244C3 DE 2549244 C3 DE2549244 C3 DE 2549244C3 DE 2549244 A DE2549244 A DE 2549244A DE 2549244 A DE2549244 A DE 2549244A DE 2549244 C3 DE2549244 C3 DE 2549244C3
Authority
DE
Germany
Prior art keywords
piston
pressure rollers
pin
cage
cylindrical
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
DE2549244A
Other languages
German (de)
English (en)
Other versions
DE2549244B2 (de
DE2549244A1 (de
Inventor
Roland 7141 Schwieberdingen Goetz
Siegfried 7000 Stuttgart Stauss
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.)
Mahle GmbH
Original Assignee
Mahle GmbH
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 to FR7523004A priority Critical patent/FR2279989A1/fr
Application filed by Mahle GmbH filed Critical Mahle GmbH
Priority to DE2549244A priority patent/DE2549244C3/de
Publication of DE2549244A1 publication Critical patent/DE2549244A1/de
Publication of DE2549244B2 publication Critical patent/DE2549244B2/de
Application granted granted Critical
Publication of DE2549244C3 publication Critical patent/DE2549244C3/de
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • B23P15/10Making specific metal objects by operations not covered by a single other subclass or a group in this subclass pistons
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B39/00Burnishing machines or devices, i.e. requiring pressure members for compacting the surface zone; Accessories therefor
    • B24B39/02Burnishing machines or devices, i.e. requiring pressure members for compacting the surface zone; Accessories therefor designed for working internal surfaces of revolution
    • B24B39/023Burnishing machines or devices, i.e. requiring pressure members for compacting the surface zone; Accessories therefor designed for working internal surfaces of revolution the working tool being composed of a plurality of working rolls or balls
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16JPISTONS; CYLINDERS; SEALINGS
    • F16J1/00Pistons; Trunk pistons; Plungers
    • F16J1/10Connection to driving members
    • F16J1/14Connection to driving members with connecting-rods, i.e. pivotal connections
    • F16J1/16Connection to driving members with connecting-rods, i.e. pivotal connections with gudgeon-pin; Gudgeon-pins
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05CINDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
    • F05C2201/00Metals
    • F05C2201/02Light metals
    • F05C2201/021Aluminium

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)
DE2549244A 1974-07-24 1975-11-04 Verfahren zum konischen Aufweiten der Endbereiche von Bolzennabenbohrungen an Kolben für Verbrennungsmotoren Expired DE2549244C3 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR7523004A FR2279989A1 (fr) 1974-07-24 1975-07-23 Procede et dispositif d'elargissement de l'extremite des alesages de moyeu du tourillon de pistons de moteurs a combustion interne
DE2549244A DE2549244C3 (de) 1974-07-24 1975-11-04 Verfahren zum konischen Aufweiten der Endbereiche von Bolzennabenbohrungen an Kolben für Verbrennungsmotoren

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2435546 1974-07-24
DE2549244A DE2549244C3 (de) 1974-07-24 1975-11-04 Verfahren zum konischen Aufweiten der Endbereiche von Bolzennabenbohrungen an Kolben für Verbrennungsmotoren

Publications (3)

Publication Number Publication Date
DE2549244A1 DE2549244A1 (de) 1977-05-12
DE2549244B2 DE2549244B2 (de) 1977-08-25
DE2549244C3 true DE2549244C3 (de) 1978-04-27

Family

ID=25767462

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2549244A Expired DE2549244C3 (de) 1974-07-24 1975-11-04 Verfahren zum konischen Aufweiten der Endbereiche von Bolzennabenbohrungen an Kolben für Verbrennungsmotoren

Country Status (2)

Country Link
DE (1) DE2549244C3 (OSRAM)
FR (1) FR2279989A1 (OSRAM)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4124010A (en) * 1976-12-20 1978-11-07 Dana Corporation Piston pin bore and method of finishing

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB597481A (en) * 1945-08-21 1948-01-27 Fairey Aviat Co Ltd Improvements in means for expanding metal tubes
US3047045A (en) * 1959-02-24 1962-07-31 Carrier Corp Tube expander
US3683658A (en) * 1970-08-19 1972-08-15 Irontite Products Co Inc Roller-type expander tool

Also Published As

Publication number Publication date
FR2279989B1 (OSRAM) 1979-05-11
DE2549244B2 (de) 1977-08-25
DE2549244A1 (de) 1977-05-12
FR2279989A1 (fr) 1976-02-20

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee