GB1189176A - The manufacture of Gear Wheels by Cold-Forming Processes - Google Patents
The manufacture of Gear Wheels by Cold-Forming ProcessesInfo
- Publication number
- GB1189176A GB1189176A GB5479567A GB5479567A GB1189176A GB 1189176 A GB1189176 A GB 1189176A GB 5479567 A GB5479567 A GB 5479567A GB 5479567 A GB5479567 A GB 5479567A GB 1189176 A GB1189176 A GB 1189176A
- Authority
- GB
- United Kingdom
- Prior art keywords
- projections
- platen
- teeth
- periphery
- series
- 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
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
- B21H5/00—Making gear wheels, racks, spline shafts or worms
- B21H5/02—Making gear wheels, racks, spline shafts or worms with cylindrical outline, e.g. by means of die rolls
- B21H5/027—Making gear wheels, racks, spline shafts or worms with cylindrical outline, e.g. by means of die rolls by rolling using reciprocating flat dies, e.g. racks
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
1,189,176. Rolling gear-wheels. VICKERS Ltd. 19 Feb., 1969 [1 Dec., 1967], No. 54795/67. Heading B3M. In a method of cold-forming gear teeth in the periphery of a cylindrical metal blank, an initial series of projections are pressed into the centre portion of the periphery, two further series of projections then being pressed into the two edge regions of the periphery to complete the teeth. The projections can be formed on a pair of rolling platens which are reciprocated on opposite sides of the blank. Each platen has a rolling face 1 on which a series of central projections 5 are provided, the projections increasing in height in groups from the leading end 6 of the platen. On a continuation 4 of the platen, further series of projections 2 are located. They extend inwardly from the platen edges towards a tapered central depression 8. Merging of the projections 2 into teeth 2<SP>1</SP> and 2<SP>11</SP> occurs at the trailing end of the platen, the last teeth serving to burnish the rolled blank. The projections 2 may be tapered inwardly (as shown) or of uniform cross-section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB5479567A GB1189176A (en) | 1967-12-01 | 1967-12-01 | The manufacture of Gear Wheels by Cold-Forming Processes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB5479567A GB1189176A (en) | 1967-12-01 | 1967-12-01 | The manufacture of Gear Wheels by Cold-Forming Processes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1189176A true GB1189176A (en) | 1970-04-22 |
Family
ID=10472096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB5479567A Expired GB1189176A (en) | 1967-12-01 | 1967-12-01 | The manufacture of Gear Wheels by Cold-Forming Processes |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB1189176A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2367551A1 (en) * | 1976-10-15 | 1978-05-12 | Anderson Cook Inc | APPARATUS AND METHOD FOR GROOVING DRIVING FORCE TRANSMISSION ELEMENTS |
-
1967
- 1967-12-01 GB GB5479567A patent/GB1189176A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2367551A1 (en) * | 1976-10-15 | 1978-05-12 | Anderson Cook Inc | APPARATUS AND METHOD FOR GROOVING DRIVING FORCE TRANSMISSION ELEMENTS |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |