IT1262363B - Broccia e metodo di brocciatura di fori di cuscinetto allineati, in particolare per cuscinetti di banco in un blocco cilindri. - Google Patents
Broccia e metodo di brocciatura di fori di cuscinetto allineati, in particolare per cuscinetti di banco in un blocco cilindri.Info
- Publication number
- IT1262363B IT1262363B ITRM930262A ITRM930262A IT1262363B IT 1262363 B IT1262363 B IT 1262363B IT RM930262 A ITRM930262 A IT RM930262A IT RM930262 A ITRM930262 A IT RM930262A IT 1262363 B IT1262363 B IT 1262363B
- Authority
- IT
- Italy
- Prior art keywords
- broach
- broaching
- bearing holes
- cylinder block
- aligned bearing
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D43/00—Broaching tools
- B23D43/02—Broaching tools for cutting by rectilinear movement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D37/00—Broaching machines or broaching devices
- B23D37/02—Broaching machines with horizontally-arranged working tools
- B23D37/04—Broaching machines with horizontally-arranged working tools for broaching inner surfaces
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C9/00—Bearings for crankshafts or connecting-rods; Attachment of connecting-rods
- F16C9/02—Crankshaft bearings
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Milling, Broaching, Filing, Reaming, And Others (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
Una broccia allungata per brocciare una pluralità di fori di cuscinetti allineati assialmente, avente una porzione anteriore di pilotaggio ed una porzione posteriore di pilotaggio. Fra le porzioni di pilotaggio anteriore e posteriore, la broccia ha porzioni di brocciatura e porzioni di pilotaggio che si alternano. Mentre una porzione di brocciatura sta brocciando un foro di cuscinetto, la adiacente porzione di pilotaggio sta guidando la broccia nel foro di cuscinetto immediatamente seguente. Ciò fornisce un movimento guidato della broccia ed impedisce alla broccia di deviare fuori linea.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US96729192A | 1992-10-27 | 1992-10-27 |
Publications (3)
Publication Number | Publication Date |
---|---|
ITRM930262A0 ITRM930262A0 (it) | 1993-04-26 |
ITRM930262A1 ITRM930262A1 (it) | 1994-10-26 |
IT1262363B true IT1262363B (it) | 1996-06-19 |
Family
ID=25512583
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ITRM930262A IT1262363B (it) | 1992-10-27 | 1993-04-26 | Broccia e metodo di brocciatura di fori di cuscinetto allineati, in particolare per cuscinetti di banco in un blocco cilindri. |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPH06143024A (it) |
CA (1) | CA2089244A1 (it) |
DE (1) | DE4328272A1 (it) |
FR (1) | FR2697186A1 (it) |
GB (1) | GB2271949B (it) |
IT (1) | IT1262363B (it) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5435676A (en) * | 1992-10-27 | 1995-07-25 | National Broach & Machine Company | Two-stage broaching of engine block bearings |
GB2365376B (en) * | 2000-07-28 | 2004-02-11 | Rolls Royce Plc | Broaching |
JP2007331077A (ja) * | 2006-06-16 | 2007-12-27 | Nachi Fujikoshi Corp | インボリュートスプラインブローチ |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2292900A (en) * | 1940-09-16 | 1942-08-11 | Chase Brass & Copper Co | Broach |
GB551098A (en) * | 1942-01-08 | 1943-02-08 | Lapointe Machine Tool Co | Improvements in or relating to method of rifling gun barrels |
US2644369A (en) * | 1948-05-17 | 1953-07-07 | Nat Broach & Mach | Broaching machine |
FR2029870A5 (it) * | 1969-01-29 | 1970-10-23 | Cea L | |
FR2178425A5 (it) * | 1972-03-31 | 1973-11-09 | Recoules & Fils Ets | |
US4498361A (en) * | 1983-04-25 | 1985-02-12 | Ex-Cell-O Corporation | Broach manufacturing method |
US4850253A (en) * | 1987-07-24 | 1989-07-25 | Colonial Tool Operations Division Of Textron Canada Limited | Broach manufacturing method |
US5224804A (en) * | 1991-11-25 | 1993-07-06 | Ford Motor Company | Tooling system and method for broaching engine components |
-
1993
- 1993-02-10 CA CA002089244A patent/CA2089244A1/en not_active Abandoned
- 1993-03-26 GB GB9306372A patent/GB2271949B/en not_active Expired - Fee Related
- 1993-04-26 IT ITRM930262A patent/IT1262363B/it active IP Right Grant
- 1993-05-12 JP JP5109695A patent/JPH06143024A/ja active Pending
- 1993-06-03 FR FR9306664A patent/FR2697186A1/fr active Pending
- 1993-08-23 DE DE4328272A patent/DE4328272A1/de not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
DE4328272A1 (de) | 1994-04-28 |
GB2271949B (en) | 1996-01-03 |
FR2697186A1 (fr) | 1994-04-29 |
JPH06143024A (ja) | 1994-05-24 |
ITRM930262A0 (it) | 1993-04-26 |
ITRM930262A1 (it) | 1994-10-26 |
GB9306372D0 (en) | 1993-05-19 |
CA2089244A1 (en) | 1994-04-28 |
GB2271949A (en) | 1994-05-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted | ||
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19970423 |