MD3974B1 - Procedeu de durificare a suprafetelor metalice prin descarcari electrice - Google Patents
Procedeu de durificare a suprafetelor metalice prin descarcari electriceInfo
- Publication number
- MD3974B1 MD3974B1 MDA20080017A MD20080017A MD3974B1 MD 3974 B1 MD3974 B1 MD 3974B1 MD A20080017 A MDA20080017 A MD A20080017A MD 20080017 A MD20080017 A MD 20080017A MD 3974 B1 MD3974 B1 MD 3974B1
- Authority
- MD
- Moldova
- Prior art keywords
- electrode
- tool
- impulses
- hardening
- duration
- Prior art date
Links
Landscapes
- Other Surface Treatments For Metallic Materials (AREA)
Abstract
Inventia se refera la metodele de prelucrare electrofizica a materialelor, in special la tehnologiile de durificare a suprafetelor metalice prin descarcari electrice prin impulsuri de scurta durata. Procedeul de durificare a suprafetelor metalice prin descarcari electrice consta in efectuarea descarcarilor electrice prin impulsuri intre electrodul-scula, executat in forma de disc rotitor din grafit electrotehnic, si suprafata de prelucrare a piesei, conectate la circuitul de descarcare a generatorului de impulsuri de curent. Impulsurile de curent in interstitiul dintre electrodul-scula si piesa sunt formate din trenuri a cate doua impulsuri, primul dintre ele fiind de polaritate directa cu durata de 150...200 Mys, iar cel de-al doilea - de polaritate inversa cu durata de 10 ori mai mica la aceeasi cantitate de energie degajata intre electrodul - scula si piesa. Rezultatul inventiei consta in majorarea duritatii suprafetelor metalice, in micsorarea rugozitatii suprafetei prelucrate si pastrarea geometriei piesei prelucrate.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
MDA20080017A MD3974C2 (ro) | 2008-01-23 | 2008-01-23 | Procedeu de durificare a suprafeţelor metalice prin descărcări electrice |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
MDA20080017A MD3974C2 (ro) | 2008-01-23 | 2008-01-23 | Procedeu de durificare a suprafeţelor metalice prin descărcări electrice |
Publications (2)
Publication Number | Publication Date |
---|---|
MD3974B1 true MD3974B1 (ro) | 2009-11-30 |
MD3974C2 MD3974C2 (ro) | 2010-06-30 |
Family
ID=43568824
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MDA20080017A MD3974C2 (ro) | 2008-01-23 | 2008-01-23 | Procedeu de durificare a suprafeţelor metalice prin descărcări electrice |
Country Status (1)
Country | Link |
---|---|
MD (1) | MD3974C2 (ro) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
MD685Z (ro) * | 2013-02-13 | 2014-05-31 | Институт Прикладной Физики Академии Наук Молдовы | Procedeu de obţinere a acoperirii multistrat prin metoda alierii cu scântei electrice |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
MD4184C1 (ro) * | 2011-05-31 | 2013-08-31 | Павел ТОПАЛА | Procedeu de durificare a suprafeţelor metalice |
MD561Z (ro) * | 2012-02-08 | 2013-06-30 | Институт Прикладной Физики Академии Наук Молдовы | Procedeu de tratament anticoroziv al oţelului |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE791921A (fr) * | 1971-11-27 | 1973-03-16 | Dso Isot | Procede et dispositif pour accumulation locale par etincelle electriquede metaux et d'alliages a l'aide d'une electrode tournante |
DE3212751A1 (de) * | 1981-04-15 | 1982-12-02 | National Research Development Corp., London | Verfahren und einrichtung zum abtragen von werkstoff von einem elektrisch leitenden werkstueck |
SU1187245A1 (ru) * | 1983-08-18 | 1985-10-23 | Ворошиловградский Проектно-Технологический Институт Машиностроения Им.Хху1 Съезда Кпсс | Генератор импульсов дл электроискровой обработки и легировани |
RO94924B1 (ro) * | 1986-02-18 | 1988-08-31 | Institutul De Cercetare Stiintifica Si Inginerie Tehnologica Pentru Electrotehnica | Metoda de prelucrare prin electroeroziune si instalatie pentru aplicarea acestei metode |
SU1780952A1 (ru) * | 1991-04-29 | 1992-12-15 | Inst Prochnosti An Ussr | Способ контактного электроэрозионного легирования |
DE4432916C1 (de) * | 1994-09-15 | 1996-04-04 | Agie Ag Ind Elektronik | Verfahren und Impulsgenerator zum elektroerosiven Bearbeiten von Werkstücken |
PL184299B1 (pl) * | 1995-07-18 | 2002-09-30 | Koninklijke Philips Electronics Nv | Sposób elektrochemicznej obróbki za pomocą impulsów elektrycznych o zmiennej polaryzacji oraz urządzenie do elektrochemicznej obróbki za pomocą impulsów elektrycznych o zmiennej polaryzacji |
RU2108212C1 (ru) * | 1996-02-19 | 1998-04-10 | Юрий Львович Чистяков | Способ электроискрового нанесения покрытий |
US6130395A (en) * | 1998-06-17 | 2000-10-10 | Sodick Co., Ltd. | Method and apparatus for achieving a fine surface finish in wire-cut EDM |
RU2176682C2 (ru) * | 1999-05-17 | 2001-12-10 | Рудой Борис Петрович | Способ упрочнения поверхностей деталей |
RU2337796C2 (ru) * | 2006-10-05 | 2008-11-10 | Васыль Сигизмундовыч Марцынковський | Способ цементации стальных деталей электроэрозионным легированием |
UA26227U (en) * | 2007-05-03 | 2007-09-10 | V I Kurdiumov Inst Of Fhysics | Method of electrospark hardening of surfaces of components |
-
2008
- 2008-01-23 MD MDA20080017A patent/MD3974C2/ro not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
MD685Z (ro) * | 2013-02-13 | 2014-05-31 | Институт Прикладной Физики Академии Наук Молдовы | Procedeu de obţinere a acoperirii multistrat prin metoda alierii cu scântei electrice |
Also Published As
Publication number | Publication date |
---|---|
MD3974C2 (ro) | 2010-06-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG4A | Patent for invention issued | ||
KA4A | Patent for invention lapsed due to non-payment of fees (with right of restoration) | ||
MM4A | Patent for invention definitely lapsed due to non-payment of fees |