GB1346174A - Elector-chemical machining - Google Patents
Elector-chemical machiningInfo
- Publication number
- GB1346174A GB1346174A GB1346174DA GB1346174A GB 1346174 A GB1346174 A GB 1346174A GB 1346174D A GB1346174D A GB 1346174DA GB 1346174 A GB1346174 A GB 1346174A
- Authority
- GB
- United Kingdom
- Prior art keywords
- teeth
- flanks
- gearwheel
- thickness
- deposit
- 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
- 238000003754 machining Methods 0.000 title abstract 3
- 239000003792 electrolyte Substances 0.000 abstract 2
- 239000000463 material Substances 0.000 abstract 2
- 239000011159 matrix material Substances 0.000 abstract 2
- 239000002184 metal Substances 0.000 abstract 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract 1
- 239000004020 conductor Substances 0.000 abstract 1
- 230000007423 decrease Effects 0.000 abstract 1
- 229910003460 diamond Inorganic materials 0.000 abstract 1
- 239000010432 diamond Substances 0.000 abstract 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H7/00—Processes or apparatus applicable to both electrical discharge machining and electrochemical machining
- B23H7/26—Apparatus for moving or positioning electrode relatively to workpiece; Mounting of electrode
- B23H7/32—Maintaining desired spacing between electrode and workpiece, e.g. by means of particulate material
-
- 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
- B23P15/14—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass gear parts, e.g. gear wheels
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Abstract
1346174 Electro-machining gearwheels T I (GROUP SERVICES) Ltd 13 Aug 1971 [15 May 1970] 23553/70 Heading C7B The machining of a gearwheel is finished electro-chemically by rotating it at constant speed as an anode in mesh with a cathodic tool gearwheel, preferably of the same dimensions, which has flanks of its teeth each provided with a layer of dispersed particulate non-conducting material, e.g. an abrasive diamond or alumina deposit, varying in thickness so that the spacing of the flanks of the teeth of both gearwheels at their point of driving engagement decreases as its speed increases along the flanks, whilst an electrolyte stream is supplied between the meshing teeth. Either only one set or both sets of flanks are provided with the layer of material. In the latter case the thickness of the layers may vary in the same predetermined manner or in the opposite sense from root to tip of the flanks. The variation in thickness may be obtained by providing a uniformly thick deposit of material embedded in metal matrix along the edges of the tool gearwheel teeth, rotating it at constant speed in driving mesh with a similar cathodic master gearwheel whilst supplying an electrolyte stream between the meshing teeth to electrochemically remove matrix metal along the teeth edges to expose the deposit.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2355370 | 1970-05-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1346174A true GB1346174A (en) | 1974-02-06 |
Family
ID=10197519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1346174D Expired GB1346174A (en) | 1970-05-15 | 1970-05-15 | Elector-chemical machining |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB1346174A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005057052A1 (en) * | 2003-12-13 | 2005-06-23 | Daimlerchrysler Ag | Toothed gearing and method for the production thereof |
| WO2006060982A1 (en) * | 2004-12-03 | 2006-06-15 | Mtu Aero Engines Gmbh | Method for producing gear wheels |
| DE102011100735A1 (en) | 2011-05-06 | 2012-11-08 | Faurecia Autositze Gmbh | Gear wheel, useful for seat adjustable mechanism, comprises gear portion having teeth, where wheel is formed of sheet steel and teeth exhibit different surface finish in regions loaded or loadable on rolling contact than in other regions |
-
1970
- 1970-05-15 GB GB1346174D patent/GB1346174A/en not_active Expired
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005057052A1 (en) * | 2003-12-13 | 2005-06-23 | Daimlerchrysler Ag | Toothed gearing and method for the production thereof |
| WO2006060982A1 (en) * | 2004-12-03 | 2006-06-15 | Mtu Aero Engines Gmbh | Method for producing gear wheels |
| US8540861B2 (en) | 2004-12-03 | 2013-09-24 | Mtu Aero Engines Gmbh | Method for producing gear wheels |
| DE102011100735A1 (en) | 2011-05-06 | 2012-11-08 | Faurecia Autositze Gmbh | Gear wheel, useful for seat adjustable mechanism, comprises gear portion having teeth, where wheel is formed of sheet steel and teeth exhibit different surface finish in regions loaded or loadable on rolling contact than in other regions |
| DE102011100735B4 (en) | 2011-05-06 | 2019-12-05 | Faurecia Autositze Gmbh | Method for producing a toothed wheel and toothed wheel produced thereby |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |