GB1377066A - Sintered blanks - Google Patents
Sintered blanksInfo
- Publication number
- GB1377066A GB1377066A GB3629971A GB3629971A GB1377066A GB 1377066 A GB1377066 A GB 1377066A GB 3629971 A GB3629971 A GB 3629971A GB 3629971 A GB3629971 A GB 3629971A GB 1377066 A GB1377066 A GB 1377066A
- Authority
- GB
- United Kingdom
- Prior art keywords
- sae
- rolling
- blank
- sintered
- sintered blanks
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/18—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces by using pressure rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
- B21H1/00—Making articles shaped as bodies of revolution
- B21H1/06—Making articles shaped as bodies of revolution rings of restricted axial length
- B21H1/12—Making articles shaped as bodies of revolution rings of restricted axial length rings for ball or roller bearings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Rolling Contact Bearings (AREA)
- Powder Metallurgy (AREA)
Abstract
1377066 Rolling FORMFLO Ltd 28 Sept 1972 [2 Aug 1971] 36299/71 Heading B3M [Also in Division F2] An annular inner or outer bearing race is roll-formed from a powder metal blank which is initially compacted and sintered to have a density of at least 98% of the theoretical maximum. Figs. Al to ID, show the stages in rolling a blank 10 on a mandrel 12 to a finished inner ring, the rolling being cold, warm, or hot. The metal of the blank may be of SAE 4600, SAE 8600, SAE 52100, EN31, EN32A or EN24, and may have a percentage elongation of 9 to 12%.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3629971A GB1377066A (en) | 1972-09-28 | 1972-09-28 | Sintered blanks |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3629971A GB1377066A (en) | 1972-09-28 | 1972-09-28 | Sintered blanks |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1377066A true GB1377066A (en) | 1974-12-11 |
Family
ID=10386858
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3629971A Expired GB1377066A (en) | 1972-09-28 | 1972-09-28 | Sintered blanks |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB1377066A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT391284B (en) * | 1985-04-01 | 1990-09-10 | Waelzlager Normteile Veb | METHOD FOR PROFILING COLD ROLLING OF RINGS WITH TANGENTIAL EXPANSION |
US5711187A (en) * | 1990-10-08 | 1998-01-27 | Formflo Ltd. | Gear wheels rolled from powder metal blanks and method of manufacture |
-
1972
- 1972-09-28 GB GB3629971A patent/GB1377066A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT391284B (en) * | 1985-04-01 | 1990-09-10 | Waelzlager Normteile Veb | METHOD FOR PROFILING COLD ROLLING OF RINGS WITH TANGENTIAL EXPANSION |
US5711187A (en) * | 1990-10-08 | 1998-01-27 | Formflo Ltd. | Gear wheels rolled from powder metal blanks and method of manufacture |
US5884527A (en) * | 1990-10-08 | 1999-03-23 | Formflo Limited | Gear wheels rolled from powder metal blanks |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
414F | Notice of opposition given (sect. 14/1949) | ||
414A | Case decided by the comptroller ** specification amended (sect. 14/1949) | ||
SP | Amendment (slips) printed | ||
PS | Patent sealed | ||
PE20 | Patent expired after termination of 20 years |