DE2720793C3 - Verfahren und Vorrichtung zum Durchführen von thermochemischen Schnellstarts - Google Patents
Verfahren und Vorrichtung zum Durchführen von thermochemischen SchnellstartsInfo
- Publication number
- DE2720793C3 DE2720793C3 DE2720793A DE2720793A DE2720793C3 DE 2720793 C3 DE2720793 C3 DE 2720793C3 DE 2720793 A DE2720793 A DE 2720793A DE 2720793 A DE2720793 A DE 2720793A DE 2720793 C3 DE2720793 C3 DE 2720793C3
- Authority
- DE
- Germany
- Prior art keywords
- scarfing
- workpiece
- oxygen
- laser
- laser beam
- 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
- 238000000034 method Methods 0.000 title claims description 50
- 239000001301 oxygen Substances 0.000 claims description 105
- 229910052760 oxygen Inorganic materials 0.000 claims description 105
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 104
- 238000006243 chemical reaction Methods 0.000 claims description 30
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims description 25
- 229910001882 dioxygen Inorganic materials 0.000 claims description 25
- 230000003287 optical effect Effects 0.000 claims description 17
- 230000000977 initiatory effect Effects 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 230000001154 acute effect Effects 0.000 claims description 3
- 239000013078 crystal Substances 0.000 claims description 2
- 230000003247 decreasing effect Effects 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims 1
- 239000002184 metal Substances 0.000 description 12
- 239000002737 fuel gas Substances 0.000 description 11
- 229910000831 Steel Inorganic materials 0.000 description 5
- 230000002950 deficient Effects 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 239000000843 powder Substances 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000005520 cutting process Methods 0.000 description 4
- 239000000155 melt Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 230000002349 favourable effect Effects 0.000 description 3
- 239000002893 slag Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010891 electric arc Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001902 propagating effect Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000002996 emotional effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 150000002926 oxygen Chemical class 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000012549 training Methods 0.000 description 1
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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/14—Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor
- B23K26/1423—Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor the flow carrying an electric current
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
- Heat Treatment Of Articles (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
- Details Of Television Scanning (AREA)
- Transforming Electric Information Into Light Information (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/684,833 US4038108A (en) | 1976-05-10 | 1976-05-10 | Method and apparatus for making an instantaneous thermochemical start |
| US05/789,720 US4084988A (en) | 1976-05-10 | 1977-04-25 | Method and apparatus for making instantaneous scarfing cuts |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2720793A1 DE2720793A1 (de) | 1977-11-17 |
| DE2720793B2 DE2720793B2 (de) | 1978-11-09 |
| DE2720793C3 true DE2720793C3 (de) | 1979-07-12 |
Family
ID=27103441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2720793A Expired DE2720793C3 (de) | 1976-05-10 | 1977-05-09 | Verfahren und Vorrichtung zum Durchführen von thermochemischen Schnellstarts |
Country Status (24)
| Country | Link |
|---|---|
| JP (1) | JPS534750A (enExample) |
| AR (2) | AR214633A1 (enExample) |
| AU (1) | AU501006B2 (enExample) |
| BR (1) | BR7703009A (enExample) |
| CA (1) | CA1091557A (enExample) |
| CS (1) | CS205074B2 (enExample) |
| DE (1) | DE2720793C3 (enExample) |
| DK (1) | DK202277A (enExample) |
| EG (1) | EG12560A (enExample) |
| ES (4) | ES458607A1 (enExample) |
| FI (1) | FI771455A7 (enExample) |
| FR (1) | FR2350914A1 (enExample) |
| GB (1) | GB1557130A (enExample) |
| GR (1) | GR82682B (enExample) |
| HU (1) | HU176342B (enExample) |
| IN (1) | IN149046B (enExample) |
| LU (1) | LU77297A1 (enExample) |
| MX (1) | MX145213A (enExample) |
| NL (1) | NL7705094A (enExample) |
| NO (1) | NO771619L (enExample) |
| NZ (1) | NZ184042A (enExample) |
| PT (1) | PT66528B (enExample) |
| SE (1) | SE433576B (enExample) |
| YU (2) | YU116177A (enExample) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4013486A (en) * | 1975-08-26 | 1977-03-22 | Union Carbide Corporation | Spot scarfing nozzle for use in gang arrangement |
| JPS53116253A (en) * | 1977-03-19 | 1978-10-11 | Centro Maskin Goteborg Ab | Combustion method and apparatus for gas melt cutting |
| DE2712282A1 (de) * | 1977-03-21 | 1978-09-28 | Centro Maskin Goteborg Ab | Verfahren und vorrichtung zum zuenden von gashobelung |
| ZA801566B (en) * | 1979-03-28 | 1981-03-25 | Union Carbide Corp | Instantaneous scarfing by means of a pilot puddle |
| DE2933700C2 (de) * | 1979-08-21 | 1984-04-19 | C. Behrens Ag, 3220 Alfeld | Werkzeugmaschine mit als Laser-Schneideinrichtung ausgebildeter Schmelzschneideinrichtung |
| JPS57206831A (en) * | 1981-06-16 | 1982-12-18 | Fuji Electric Co Ltd | Controller for measuring discharge |
| DE102017201495A1 (de) * | 2017-01-31 | 2018-08-02 | Robert Bosch Gmbh | Laserschweißverfahren zum Erzeugen einer Schweißnaht auf einer Oberfläche einer Materialanordnung; Laserschweißvorrichtung |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3597578A (en) * | 1967-03-16 | 1971-08-03 | Nat Res Dev | Thermal cutting apparatus and method |
| US3965328A (en) * | 1974-12-19 | 1976-06-22 | Avco Corporation | Laser deep cutting process |
| JPS51143552A (en) * | 1975-06-06 | 1976-12-09 | Koike Sanso Kogyo Kk | Gas cutting method and device |
-
1977
- 1977-04-28 SE SE7704934A patent/SE433576B/xx not_active IP Right Cessation
- 1977-05-08 EG EG269/77A patent/EG12560A/xx active
- 1977-05-09 AU AU25004/77A patent/AU501006B2/en not_active Expired
- 1977-05-09 PT PT66528A patent/PT66528B/pt unknown
- 1977-05-09 GR GR53417A patent/GR82682B/el unknown
- 1977-05-09 FI FI771455A patent/FI771455A7/fi not_active Application Discontinuation
- 1977-05-09 HU HU77UI260A patent/HU176342B/hu unknown
- 1977-05-09 NL NL7705094A patent/NL7705094A/xx not_active Application Discontinuation
- 1977-05-09 ES ES458607A patent/ES458607A1/es not_active Expired
- 1977-05-09 BR BR7703009A patent/BR7703009A/pt unknown
- 1977-05-09 YU YU01161/77A patent/YU116177A/xx unknown
- 1977-05-09 MX MX169061A patent/MX145213A/es unknown
- 1977-05-09 CA CA278,133A patent/CA1091557A/en not_active Expired
- 1977-05-09 FR FR7714132A patent/FR2350914A1/fr active Granted
- 1977-05-09 NZ NZ184042A patent/NZ184042A/xx unknown
- 1977-05-09 DE DE2720793A patent/DE2720793C3/de not_active Expired
- 1977-05-09 LU LU77297A patent/LU77297A1/xx unknown
- 1977-05-09 NO NO771619A patent/NO771619L/no unknown
- 1977-05-09 IN IN686/CAL/77A patent/IN149046B/en unknown
- 1977-05-09 JP JP5214877A patent/JPS534750A/ja active Granted
- 1977-05-09 DK DK202277A patent/DK202277A/da unknown
- 1977-05-09 GB GB19307/77A patent/GB1557130A/en not_active Expired
- 1977-05-09 AR AR267541A patent/AR214633A1/es active
- 1977-05-10 CS CS773049A patent/CS205074B2/cs unknown
- 1977-12-15 ES ES465085A patent/ES465085A1/es not_active Expired
- 1977-12-15 ES ES465084A patent/ES465084A1/es not_active Expired
- 1977-12-15 ES ES465083A patent/ES465083A1/es not_active Expired
-
1978
- 1978-04-21 AR AR271850A patent/AR212845A1/es active
-
1982
- 1982-08-25 YU YU01912/82A patent/YU191282A/xx unknown
Also Published As
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OD | Request for examination | ||
| C3 | Grant after two publication steps (3rd publication) | ||
| 8327 | Change in the person/name/address of the patent owner |
Owner name: L-TEC CO., FLORENCE, S.C., US |
|
| 8327 | Change in the person/name/address of the patent owner |
Owner name: ESAB AB, GOETEBORG/GOTHENBURG, SE |
|
| 8328 | Change in the person/name/address of the agent |
Free format text: SCHWAN, G., DIPL.-ING., 8000 MUENCHEN MOEBUS, R., DIPL.-ING. MOEBUS, D., DIPL.-ING. DR.-ING., PAT.-ANWAELTE, 7410 REUTLINGEN |