FR2279989A1 - Procede et dispositif d'elargissement de l'extremite des alesages de moyeu du tourillon de pistons de moteurs a combustion interne - Google Patents

Procede et dispositif d'elargissement de l'extremite des alesages de moyeu du tourillon de pistons de moteurs a combustion interne

Info

Publication number
FR2279989A1
FR2279989A1 FR7523004A FR7523004A FR2279989A1 FR 2279989 A1 FR2279989 A1 FR 2279989A1 FR 7523004 A FR7523004 A FR 7523004A FR 7523004 A FR7523004 A FR 7523004A FR 2279989 A1 FR2279989 A1 FR 2279989A1
Authority
FR
France
Prior art keywords
enlarging
internal combustion
combustion engines
hub bores
piston journal
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.)
Granted
Application number
FR7523004A
Other languages
English (en)
French (fr)
Other versions
FR2279989B1 (OSRAM
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
Application filed by Mahle GmbH filed Critical Mahle GmbH
Publication of FR2279989A1 publication Critical patent/FR2279989A1/fr
Application granted granted Critical
Publication of FR2279989B1 publication Critical patent/FR2279989B1/fr
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • B23P15/10—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass pistons
    • 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
    • B24B39/02—Burnishing machines or devices, i.e. requiring pressure members for compacting the surface zone; Accessories therefor designed for working internal surfaces of revolution
    • B24B39/023—Burnishing 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
    • 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
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J1/00—Pistons; Trunk pistons; Plungers
    • F16J1/10—Connection to driving members
    • F16J1/14—Connection to driving members with connecting-rods, i.e. pivotal connections
    • F16J1/16—Connection to driving members with connecting-rods, i.e. pivotal connections with gudgeon-pin; Gudgeon-pins
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
    • F05C2201/00—Metals
    • F05C2201/02—Light metals
    • F05C2201/021—Aluminium

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)
FR7523004A 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 Granted FR2279989A1 (fr)

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 (2)

Publication Number Publication Date
FR2279989A1 true FR2279989A1 (fr) 1976-02-20
FR2279989B1 FR2279989B1 (OSRAM) 1979-05-11

Family

ID=25767462

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7523004A Granted 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

Country Status (2)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2374139A1 (fr) * 1976-12-20 1978-07-13 Dana Corp Procede de finition de l'alesage de l'axe d'un piston

Citations (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

Patent Citations (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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2374139A1 (fr) * 1976-12-20 1978-07-13 Dana Corp Procede de finition de l'alesage de l'axe d'un piston

Also Published As

Publication number Publication date
FR2279989B1 (OSRAM) 1979-05-11
DE2549244C3 (de) 1978-04-27
DE2549244B2 (de) 1977-08-25
DE2549244A1 (de) 1977-05-12

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Legal Events

Date Code Title Description
ST Notification of lapse