GB870593A - Improvements in and relating to apparatus for the production of metallic surface layers on metals - Google Patents
Improvements in and relating to apparatus for the production of metallic surface layers on metalsInfo
- Publication number
- GB870593A GB870593A GB737258A GB737258A GB870593A GB 870593 A GB870593 A GB 870593A GB 737258 A GB737258 A GB 737258A GB 737258 A GB737258 A GB 737258A GB 870593 A GB870593 A GB 870593A
- Authority
- GB
- United Kingdom
- Prior art keywords
- electrode
- workpiece
- rectifier
- metals
- transformer
- 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
- B23H1/00—Electrical discharge machining, i.e. removing metal with a series of rapidly recurring electrical discharges between an electrode and a workpiece in the presence of a fluid dielectric
- B23H1/02—Electric circuits specially adapted therefor, e.g. power supply, control, preventing short circuits or other abnormal discharges
- B23H1/022—Electric circuits specially adapted therefor, e.g. power supply, control, preventing short circuits or other abnormal discharges for shaping the discharge pulse train
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
Abstract
870,593. Coating with metals. SPARCATRON Ltd. April 24, 1959 [March 7, 1958], No. 7372/58. Class 82(2) [Also in Group XXII] Apparatus for providing a hardening and wear-resistant and/or corrosion resistant metallic surface on a metal or alloy workpiece 6 by electric spark and/or arc discharges between the workpiece and an electrode 4, comprises a capacitor 1 and half-wave rectifier 2 connected in series with a source of alternating current 8, the electrode being connected to the forward current output terminal 5 of the rectifier and the workpiece to the other terminal 7. The electrode may be vibrated transversely with manually or automatically variable amplitude and/or phase relationship with the supply, by an electric motor or electromagnet energized by the supply current which may be a transformer 8. In another embodiment, Fig. 1 (not shown) the transformer is omitted. Automatic electrode feed is provided to maintain the spark gap. The latter may be shielded by an inert fluid or atmosphere, supplied through a hollow electrode, which may contain chemical elements for introduction into the surface. An inductance 9 in series with the rectifier is omitted in other embodiments, Figs. 1, 2 (not shown). Specification 817,408 is referred to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB737258A GB870593A (en) | 1958-03-07 | 1958-03-07 | Improvements in and relating to apparatus for the production of metallic surface layers on metals |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB737258A GB870593A (en) | 1958-03-07 | 1958-03-07 | Improvements in and relating to apparatus for the production of metallic surface layers on metals |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB870593A true GB870593A (en) | 1961-06-14 |
Family
ID=9831877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB737258A Expired GB870593A (en) | 1958-03-07 | 1958-03-07 | Improvements in and relating to apparatus for the production of metallic surface layers on metals |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB870593A (en) |
-
1958
- 1958-03-07 GB GB737258A patent/GB870593A/en not_active Expired
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