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 VerbrennungsmotorenInfo
- 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
Links
- 238000000034 method Methods 0.000 title claims description 8
- 238000002485 combustion reaction Methods 0.000 title claims description 3
- 238000005096 rolling process Methods 0.000 claims description 9
- 230000007704 transition Effects 0.000 claims description 9
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 230000036962 time dependent Effects 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims 1
- 239000000463 material Substances 0.000 description 6
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 229910001234 light alloy Inorganic materials 0.000 description 2
- 235000010627 Phaseolus vulgaris Nutrition 0.000 description 1
- 244000046052 Phaseolus vulgaris Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005555 metalworking Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000012791 sliding layer Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 210000002435 tendon Anatomy 0.000 description 1
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)
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)
| 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)
| 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 |
-
1975
- 1975-07-23 FR FR7523004A patent/FR2279989A1/fr active Granted
- 1975-11-04 DE DE2549244A patent/DE2549244C3/de not_active Expired
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 |