FIELD: radio engineering and communications.
SUBSTANCE: invention relates to radio engineering and solar engineering and is intended for manufacturing a parabolic surface of reflectors of radio antennas and solar-heat collectors. A blank of the wedge shape is obtained from the tape, which is cut diagonally. Then it is folded into the Archimedean spiral to form a parabolic surface.
EFFECT: accuracy of the surface shape increases.
1 cl, 4 dwg
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