FIELD: stereolithographic plants. SUBSTANCE: plant consists of laser 2, scanning system, optical system, bath 7 for photopolymerized composition, control computer. System of laser beam guidance is used in the form of inertialess mechanical system of three-dimensional forming NC machines. The system is made in the form of removable mountings with mirrors 4. Mountings with mirrors 4 are installed on machine table. One of them is moved along axis Y, while the other, along axes X and Y. Mirrors are moved simultaneously with movement of quartz lens 5 allowing accurate regulation of focal distance to surface of photosetting composition. Beam chopping is effected with the help of mechanical modulator. After formation of layer, process platform is displaced through a preset value downward and cycle is repeated until the article is formed layer by layer. EFFECT: simplified laser alignment and manufacture of large articles. 1 cl, 2 dwg
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