KR950031350A - 플라즈마절단방법 - Google Patents
플라즈마절단방법 Download PDFInfo
- Publication number
- KR950031350A KR950031350A KR1019950008915A KR19950008915A KR950031350A KR 950031350 A KR950031350 A KR 950031350A KR 1019950008915 A KR1019950008915 A KR 1019950008915A KR 19950008915 A KR19950008915 A KR 19950008915A KR 950031350 A KR950031350 A KR 950031350A
- Authority
- KR
- South Korea
- Prior art keywords
- cutting
- plasma
- oxidizing gas
- gas
- cutting method
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K10/00—Welding or cutting by means of a plasma
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Arc Welding In General (AREA)
Abstract
본 발명은 드로스부착이 적고, 절단면이 깨끗한 고품질의 절단제품을 얻을 수 있고, 전극소모가 적으며 또 천공시에도 고속절단이 가능한 플라즈마절단방법을 제공할 목적으로 하며, 절단시에 플라즈마가스로서 비산화성 가스를 사용하여 피절단재를 절단하는 플라즈마절단방법에 있어서, 천공시에는 플라즈마가스로서 산화성 가스를 사용하고, 절단시에는 플라즈마가스로서 비산화성 가스를 사용하여 피절단재를 절단하는 방법으로 구성되어 있다.
(선택도) 제1도.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 타임차트로서, (a)는 제1실시예와 제2실시예에 공통적인 플라즈마 작동명령, (b)는 제1실시예로서 (b1)은 산화성 가스용 개폐밸브의 구동, (b2)는 비산화성 가스용 개폐밸브의 구동, (c)는 제2실시예로서 (c1)은 산화성 가스용 개폐밸브의 구동, (c2)는 비산화성 가스용 개폐벨브의 구동, 제2도는 본 발명의 실시예를 실시할 플라즈마절단기의 개요설명도, 제3도는 본 발명의 시험성적그래프, 제4도는 천공개시를 설명하는 도면.
Claims (2)
- 절단시에 플라즈마가스로서 비산화성 가스를 사용하여 피절단재를 절단하는 플라즈마절단방법에 있어서, 천공시에는 플라즈마가스로서 산화성 가스를 사용하고, 절단시에는 플라즈마 가스로서 비산화성 가스를 사용하여 피절단채를 절단하는 방법을 특징으로 하는 플라즈마절단방법.
- 제1항에 있어서, 천공에서 절단으로 이행할 때에 산화성 가스의 공급정지 전에 비산화성 가스를 공급하는 방법을 특징으로 하는 플라즈마절단방법.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6135169A JPH07314143A (ja) | 1994-05-25 | 1994-05-25 | プラズマ切断方法 |
JP94-135169 | 1994-05-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
KR950031350A true KR950031350A (ko) | 1995-12-18 |
Family
ID=15145452
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019950008915A KR950031350A (ko) | 1994-05-25 | 1995-04-15 | 플라즈마절단방법 |
Country Status (7)
Country | Link |
---|---|
US (1) | US5801355A (ko) |
EP (1) | EP0768139A4 (ko) |
JP (1) | JPH07314143A (ko) |
KR (1) | KR950031350A (ko) |
CN (1) | CN1148355A (ko) |
CA (1) | CA2191208A1 (ko) |
WO (1) | WO1995032072A1 (ko) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09201674A (ja) * | 1996-01-22 | 1997-08-05 | Ondo Kogyo Kk | 溶接方法及び溶接装置 |
FR2787363B1 (fr) * | 1998-12-22 | 2001-01-19 | Soudure Autogene Francaise | Procede d'oxycoupage avec prechauffage par plasma de materiaux ferreux, tels les aciers de construction |
US6232574B1 (en) * | 2000-01-13 | 2001-05-15 | The Esab Group, Inc. | Method and apparatus for improving plasma ARC consumable life |
FR2805192B1 (fr) * | 2000-02-18 | 2002-06-28 | Air Liquide | Procede et installation de travail a l'arc plasma avec gaz a teneurs controlees en o2 et n2 |
US6359251B1 (en) | 2000-04-10 | 2002-03-19 | Hypertherm, Inc. | Centralized control architecture for a plasma arc system |
US6947802B2 (en) * | 2000-04-10 | 2005-09-20 | Hypertherm, Inc. | Centralized control architecture for a laser materials processing system |
US6622058B1 (en) | 2000-04-10 | 2003-09-16 | Tate S. Picard | Centralized control architecture for a plasma arc system |
US6772040B1 (en) * | 2000-04-10 | 2004-08-03 | Hypertherm, Inc. | Centralized control architecture for a plasma arc system |
JP3652350B2 (ja) * | 2002-12-17 | 2005-05-25 | コマツ産機株式会社 | プラズマ加工方法 |
US7186947B2 (en) * | 2003-03-31 | 2007-03-06 | Hypertherm, Inc. | Process monitor for laser and plasma materials processing of materials |
JP2004351449A (ja) * | 2003-05-28 | 2004-12-16 | Komatsu Sanki Kk | プラズマ切断装置及びそれの制御装置 |
US20060163220A1 (en) * | 2005-01-27 | 2006-07-27 | Brandt Aaron D | Automatic gas control for a plasma arc torch |
JP4623727B2 (ja) * | 2005-05-26 | 2011-02-02 | コマツ産機株式会社 | プラズマ切断装置及び方法 |
US7112759B1 (en) * | 2005-06-07 | 2006-09-26 | The Esab Group, Inc. | Plasma torch with interchangeable electrode systems |
US8168916B2 (en) * | 2008-07-28 | 2012-05-01 | Thermal Dynamics Corporation | Enhanced piercing through current profiling |
US8338739B2 (en) * | 2008-12-22 | 2012-12-25 | Hypertherm, Inc. | Method and apparatus for cutting high quality internal features and contours |
US8354609B2 (en) * | 2008-12-22 | 2013-01-15 | Hypertherm, Inc. | High quality hole cutting using variable shield gas compositions |
US8541711B2 (en) * | 2009-02-20 | 2013-09-24 | Hypertherm, Inc. | Internal part feature cutting method and apparatus |
EP2277655B1 (de) * | 2009-07-16 | 2013-05-15 | Linde Aktiengesellschaft | Verfahren und Vorrichtung zum Plasma-Stichlochschweissen mit Veränderung des Gasvolumenstrom und/oder der Gaszusammensetzung in Abhängigkeit von mindestens einer Randbedingung des Schweissvorganges |
US8283594B2 (en) * | 2010-08-09 | 2012-10-09 | The Esab Group, Inc. | System and method for supplying fluids to a plasma arc torch |
US10279417B2 (en) * | 2015-10-06 | 2019-05-07 | Hypertherm, Inc. | Controlling and delivering gases in a plasma arc torch and related systems and methods |
US10722971B2 (en) | 2015-10-06 | 2020-07-28 | Hypertherm, Inc. | Controlling plasma arc torches and related systems and methods |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51135858A (en) * | 1975-05-20 | 1976-11-25 | Kubota Ltd | Plasma cutting gas |
US4295030A (en) * | 1978-03-08 | 1981-10-13 | Naoyoshi Hosoda | Plasma-arc cutting method |
JPS6192782A (ja) * | 1984-10-15 | 1986-05-10 | Koike Sanso Kogyo Co Ltd | プラズマ切断スタート方法 |
JPS649112A (en) * | 1987-06-24 | 1989-01-12 | Toray Eng Co Ltd | Spool packaging apparatus with plastic film |
US5396043A (en) * | 1988-06-07 | 1995-03-07 | Hypertherm, Inc. | Plasma arc cutting process and apparatus using an oxygen-rich gas shield |
JP2600323B2 (ja) * | 1988-08-31 | 1997-04-16 | 三菱電機株式会社 | レーザ加工方法 |
JP2516804B2 (ja) * | 1988-12-26 | 1996-07-24 | 株式会社小松製作所 | プラズマト−チ |
JPH06226451A (ja) * | 1993-01-29 | 1994-08-16 | Komatsu Ltd | プラズマ切断方法および切断装置 |
JPH0760450A (ja) * | 1993-08-25 | 1995-03-07 | Nippon Steel Corp | プラズマ切断方法 |
-
1994
- 1994-05-25 JP JP6135169A patent/JPH07314143A/ja active Pending
-
1995
- 1995-04-15 KR KR1019950008915A patent/KR950031350A/ko not_active Application Discontinuation
- 1995-05-23 US US08/750,033 patent/US5801355A/en not_active Expired - Lifetime
- 1995-05-23 CN CN95193103A patent/CN1148355A/zh active Pending
- 1995-05-23 EP EP95918763A patent/EP0768139A4/en not_active Withdrawn
- 1995-05-23 WO PCT/JP1995/000979 patent/WO1995032072A1/ja not_active Application Discontinuation
- 1995-05-23 CA CA002191208A patent/CA2191208A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
CA2191208A1 (en) | 1995-11-30 |
EP0768139A1 (en) | 1997-04-16 |
EP0768139A4 (en) | 1997-09-03 |
US5801355A (en) | 1998-09-01 |
JPH07314143A (ja) | 1995-12-05 |
CN1148355A (zh) | 1997-04-23 |
WO1995032072A1 (fr) | 1995-11-30 |
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A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
E601 | Decision to refuse application |