An energy balance which describes the equilibrium set up in the cutting zone during laser inert gas cutting is presented and analysed. The analysis involves an experimental and theoretical examination of the individual components of the equation. An assessment of the contribution of each component to the energy balance has thus been achieved.
REFERENCES
1.
Powell
, J.
CO2 Laser Cutting
(1993
), Springer-Verlag London Ltd. (Publ.)
, ISBN 3-540-19786-9.2.
Massey
, B.S.
, Mechanics of Fluids
(1989
), Van Nostrand Reinhold (International) (Publ.)
, ISBN 0-278-00047-9.3.
Physics Handbook
(fourth edition, 1987
), Nordling
, C.
, Österman
, J.
(Ed.), Studentlitteratur (Publ.)
, Lund
, ISBN 91-44-16574-9.4.
Zefferer
, H.
, Petring
, D.
, Beyer
, E.
“Investigations of the Gas Flow in Laser Beam Cutting”, DVS-Bericht 135
, DVS-Verlag
, Düsseldorf
, 1991
, pp. 210
–214
.5.
Ivarson
, A.
“On the Physics and Chemical Thermodynamics of Laser Cutting
”, Ph.D. thesis (1993
), Luleå University of Technology
, Sweden
, ISSN 0348-8373.6.
Miyamoto
, L
, Maruo
, H.
, Arata
, Y.
“Intensity Profile Measurement of Focused CO2 Beam using PMMA
”, Conf. Proc. of Materials Processing Symposium, ICALEO’84
, Boston
, 1984
, LIA-Vol. 44
, Laser Institute of America
, pp. 313
–320
.7.
Luxon
, J.T.
, Parker
, D.E.
Industrial Lasers and their Applications (1992
), Prentice-Hall International Inc. (Publ.)
, ISBN 0-13-459538-6.8.
Petring
, D.
, Abels
, P.
, Beyer
, E.
“Absorption distribution on idealized cutting front geometries and its significance for laser beam cutting
”, Proc. of High Power CO2 Laser Systems and Applications, SPIE
Vol. 1020
, ECO 1, 19–20 September 1988
, Hamburg, Germany
, pp. 123
–131
.9.
Ivarson
, A.
, Powell
, J.
, Kamalu
, J.
, Brodén
, G.
, Magnusson
, C.
“The Effects of Oxygen Purity in Laser Cutting Mild Steel; A theoretical and experimental investigation
”, Lasers in Engineering
, 1993
, Vol. 1
, pp. 299
–314
.10.
Holman
, J.P.
Heat Transfer
(1989
), McGraw-Hill Book Company (Publ.)
, Singapore
, ISBN 0-07-100487-4.11.
Vicanek
, M.
, Simon
, G.
“Momentum and Heat Transfer of an Inert Gas Jet to the Melt in Laser Cutting
”, J. of Physics D: Applied Physics
, 20
(1987
), pp. 1191
–1196
.
This content is only available via PDF.
© 1994 Laser Institute of America.
1994
Laser Institute of America
You do not currently have access to this content.