Industrial lasers of power up to 10 kW with high quality of radiation

Golishev, A. P.; Ivanchenko, A. I.; Orishich, A. M.; Shulyatyev, V. B.

doi:10.1117/12.413964

SPIE Proceedings

2001

DOI: 10.1117/12.413964

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Industrial lasers of power up to 10 kW with high quality of radiation

A. P. Golishev

A. I. Ivanchenko

A. M. Orishich

et al.

Abstract: In activity the device of the high-power electrodigit laser with optical system and the problem of pressure losses upon gas motion along a closed circuit containing channels in which heat is supplied to and removed from the gas is studied. The object where the pressure losses are studied is a CO2 laser with a crossflow.

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“…To improve the cutting technology, we used an automated industrial laser system developed at the Khristianovich Institute of Theoretical and Applied Mechanics of the Siberian Division of the Russian Academy of Sciences on the basis of a continuous CO 2 -laser with a power up to 8 kW [9][10][11]. The laser includes a multipass self-filtered resonator capable of providing high-power radiation with a diverging factor close to the diffraction value [6][7][8].…”

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Specific features of laser cutting of steel sheets and monitoring of sample quality after laser influence

Данилов

Зуев

Кузнецова

et al. 2006

J Appl Mech Tech Phys

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An automated laser system with an 8-kW quantum generator with the beam quality not worse than that of a single-mode laser is described. The possibility of using such a system in procurement production for cutting carbon and stainless steel sheets is demonstrated. The quality control of the blank material shows that the properties of the latter satisfy appropriate standards.Key words: industrial gas lasers, self-filtered resonators, gas-laser cutting of metal sheets, technological parameters, structure and properties of blanks.Introduction. Among laser technologies currently used in machine-building branches of industry, gaslaser cutting of metal and nonmetal materials has found the widest application [1-3]. The use of laser cutting in procurement production turned out to be most effective [1]. A wide range of thicknesses and grades of materials being cut and almost arbitrary parameters of blanks being cut allow manufacturing blanks of various types, sizes, and geometry.The main advantages of laser cutting are as follows: -improvement of processing quality owing to the minimum area of thermal influence, reduction of heatinduced strains, absence of the force action on the article; -higher processing rate (severalfold higher than that in conventional methods of mechanical treatment); -severalfold reduction of time needed for the preparatory stage of production in the case new articles are to be produced; -higher material utilization rate owing to the use of optimal cutting patterns; -high quality of cutting of structural steels, which often allows butt welding without prior mechanical treatment;-no displacements of the cut edges; -possibility of producing articles with notches in the form of acute angles, junctions without radii, and thin bridge connections (less than 1-2 mm thick), as well as small-diameter orifices (in contrast to die-cutting by universal circular tools).Using the laser-cutting technology, one can cut sheeted materials over a complicated contour with accuracy ranging from 100 to several micrometers.Advanced laser cutting systems allow cutting thin-sheeted materials with a velocity up to 120 m/min with an error smaller than 100 µm. To reach a maximum possible thickness of sheets being cut and a maximum possible cutting velocity, the laser power should be increased; therefore, the technology of laser cutting with a power of 5 to 6 kW has been recently conquered in industry.

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confidence: 99%

Specific features of laser cutting of steel sheets and monitoring of sample quality after laser influence

Данилов

Зуев

Кузнецова

et al. 2006

J Appl Mech Tech Phys

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Impact of Local Weld Pool Zones on the Heterogeneous Material Structure

Burov

Bataeva²,

Drobyaz

2014

AMM

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Industrial lasers of power up to 10 kW with high quality of radiation

Cited by 2 publications

References 0 publications

Specific features of laser cutting of steel sheets and monitoring of sample quality after laser influence

Specific features of laser cutting of steel sheets and monitoring of sample quality after laser influence

Impact of Local Weld Pool Zones on the Heterogeneous Material Structure

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