JPS57132924A - Method and jig for chamfering hole of electroconductive workpiece - Google Patents
Method and jig for chamfering hole of electroconductive workpieceInfo
- Publication number
- JPS57132924A JPS57132924A JP1933981A JP1933981A JPS57132924A JP S57132924 A JPS57132924 A JP S57132924A JP 1933981 A JP1933981 A JP 1933981A JP 1933981 A JP1933981 A JP 1933981A JP S57132924 A JPS57132924 A JP S57132924A
- Authority
- JP
- Japan
- Prior art keywords
- workpiece
- hole
- chamfered
- electrode
- electroconductive
- 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.)
- Pending
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
Landscapes
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Abstract
PURPOSE:To enable chamfering with high accuracy without making burr and causing slippage, by electrolyzing only the chamfered part of an electroconductive workpiece. CONSTITUTION:An electroconductive workpiece 2 such as the valve plate of an enclosed compressor is inserted into the hole 4 of a jig body 3. An electric insulator is interposed between the workpiece 2 and the inside surface of the hole 4. An electrical current is caused to flow between a first electrode 6 and the workpiece 2 while an electrolyte is supplied through a hole 5 and the to-be- chamfered hole 8 of the workpiece, a second eletrode 9 is set as an anode and the first electrode 6 is set as a cathode. The convergence of the electrical current is suppressed by the corner 3a of the jig body 3 so that the current is concentrated to the to-be-chamfered part 8a of the workpiece 2 by the insulator 10. The part 8a as an anode is dissolved by the current flowing between the first electrode 6 and the part 8a through the electrolyte. The part 8a is thus chamfered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1933981A JPS57132924A (en) | 1981-02-12 | 1981-02-12 | Method and jig for chamfering hole of electroconductive workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1933981A JPS57132924A (en) | 1981-02-12 | 1981-02-12 | Method and jig for chamfering hole of electroconductive workpiece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS57132924A true JPS57132924A (en) | 1982-08-17 |
Family
ID=11996637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1933981A Pending JPS57132924A (en) | 1981-02-12 | 1981-02-12 | Method and jig for chamfering hole of electroconductive workpiece |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57132924A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60167714A (en) * | 1984-02-04 | 1985-08-31 | Sumitomo Light Metal Ind Ltd | Electrolytic grinding deburring device |
-
1981
- 1981-02-12 JP JP1933981A patent/JPS57132924A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60167714A (en) * | 1984-02-04 | 1985-08-31 | Sumitomo Light Metal Ind Ltd | Electrolytic grinding deburring device |
| JPS639935B2 (en) * | 1984-02-04 | 1988-03-03 | Sumitomo Light Metal Ind |
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