GB979968A - Method and apparatus for electrolytically working metals and quasi-metals by anodic decomposition - Google Patents
Method and apparatus for electrolytically working metals and quasi-metals by anodic decompositionInfo
- Publication number
- GB979968A GB979968A GB3120162A GB3120162A GB979968A GB 979968 A GB979968 A GB 979968A GB 3120162 A GB3120162 A GB 3120162A GB 3120162 A GB3120162 A GB 3120162A GB 979968 A GB979968 A GB 979968A
- Authority
- GB
- United Kingdom
- Prior art keywords
- workpiece
- metals
- cathode
- electrolyte
- capillary tube
- 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
- 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
- B23H9/00—Machining specially adapted for treating particular metal objects or for obtaining special effects or results on metal objects
- B23H9/14—Making holes
- B23H9/16—Making holes using an electrolytic jet
Landscapes
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Abstract
<PICT:0979968/C6-C7/1> An electrolytic cell B, for forming a blind hole, depression, bore or grove in a workpiece M connected as anode, comprises an electrolyte container in communication at its lower end with a capillary tube, the lower end of which forms a tool head for engaging the workpiece, a cathode C being immersed in electrolyte in the container and the immersed volume of the cathode being large compared with the volume of the capillary tube. The cell is closely and tightly applied to the body M and the workpiece is movable relatively to the nozzle in three dimensions, e.g., axially of the nozzle to form a bore or laterally to engrave. The cell may be of silica or glass or its surface contacting the workpiece may be coated with an electrically insulating and corrosion proof film, e.g. of a baked silicone oil. The cathode may be a Pt wire coil. The inner diameter of the capillary tube may be as small as 0.2m . There is a non-linear relation between voltage and current and there is an optimum voltage for working at which oxygen bubbles are evolved which usefully agitate the electrolyte. Specified metals and quasi-metals which may be worked and the electrolytes to be used are: Cu, Ni and Mo-orthophosphoric or chromic acid; Co-HNO3 or H2SO4; W or tungsten carbide-NaOH. In an example, a hole of diameter 24m and depth 16m was drilled in a W plate in 35 seconds at a working efficiency of 40% using a voltage of 22 and current of 31m A.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP281462 | 1962-01-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB979968A true GB979968A (en) | 1965-01-06 |
Family
ID=11539849
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3120162A Expired GB979968A (en) | 1962-01-31 | 1962-08-14 | Method and apparatus for electrolytically working metals and quasi-metals by anodic decomposition |
Country Status (3)
Country | Link |
---|---|
CH (1) | CH402220A (en) |
DE (1) | DE1440530A1 (en) |
GB (1) | GB979968A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102658406A (en) * | 2012-05-04 | 2012-09-12 | 太仓市弧螺机电有限公司 | Deep hole machining device |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2344940A1 (en) * | 1976-03-18 | 1977-10-14 | Electro Resistance | PROCESS FOR THE MANUFACTURING OF ELECTRICAL RESISTORS FROM A METAL SHEET FIXED ON AN INSULATING SUPPORT AND RELATED DEVICE |
-
1962
- 1962-07-03 DE DE19621440530 patent/DE1440530A1/en active Pending
- 1962-08-03 CH CH929462A patent/CH402220A/en unknown
- 1962-08-14 GB GB3120162A patent/GB979968A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102658406A (en) * | 2012-05-04 | 2012-09-12 | 太仓市弧螺机电有限公司 | Deep hole machining device |
Also Published As
Publication number | Publication date |
---|---|
CH402220A (en) | 1965-11-15 |
DE1440530A1 (en) | 1968-11-21 |
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