JPS6434610A - Finish processing method for sintered metal via electrochemical machining - Google Patents
Finish processing method for sintered metal via electrochemical machiningInfo
- Publication number
- JPS6434610A JPS6434610A JP19113687A JP19113687A JPS6434610A JP S6434610 A JPS6434610 A JP S6434610A JP 19113687 A JP19113687 A JP 19113687A JP 19113687 A JP19113687 A JP 19113687A JP S6434610 A JPS6434610 A JP S6434610A
- Authority
- JP
- Japan
- Prior art keywords
- processing
- sintered metal
- pulse current
- metal
- supplying
- 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
- 239000002184 metal Substances 0.000 title abstract 7
- 238000003754 machining Methods 0.000 title abstract 2
- 238000003672 processing method Methods 0.000 title 1
- 238000000034 method Methods 0.000 abstract 2
- 239000012530 fluid Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 230000003746 surface roughness Effects 0.000 abstract 1
Landscapes
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Abstract
PURPOSE:To ionize even a parent metal in addition to a bonding material for sintered metal and obtain a glossy surface by supplying pulse current of specific current density between a workpiece and a processing electrode in processing the workpiece comprising sintered metal. CONSTITUTION:An electrolytic product generated by filling a machining fluid free from an electrolytic product between a processed surface 2a and an electrode surface 4a opposing a gap 18 and supplying pulse current, is eliminated and the electrode surface 4a is again made in contact with the processed surface 2a. Processing depth per processing is measured and a value obtainable therefrom is accumulated. The aforementioned process is repeated with a control device 12. The process terminates when the accumulated value reaches within the predetermined difference, compared with a set value calculated by a processing condition control part 10 on the basis of data from an input device 13. When pulse current of low current density is fed in finishing sintered metal, only a metal composition liable to being eluted depending upon ionization tendency is eluted. By supplying the pulse current of current density equal to or above 110A/cm<2>, surface roughness is improved regardless of the ionization tendency of the metal composition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19113687A JPS6434610A (en) | 1987-07-30 | 1987-07-30 | Finish processing method for sintered metal via electrochemical machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19113687A JPS6434610A (en) | 1987-07-30 | 1987-07-30 | Finish processing method for sintered metal via electrochemical machining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6434610A true JPS6434610A (en) | 1989-02-06 |
Family
ID=16269482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19113687A Pending JPS6434610A (en) | 1987-07-30 | 1987-07-30 | Finish processing method for sintered metal via electrochemical machining |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6434610A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9023188B2 (en) | 2012-01-11 | 2015-05-05 | Rolls-Royce Plc | Component production method |
-
1987
- 1987-07-30 JP JP19113687A patent/JPS6434610A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9023188B2 (en) | 2012-01-11 | 2015-05-05 | Rolls-Royce Plc | Component production method |
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