FIELD: process engineering.
SUBSTANCE: invention relates to machine building and may be used for machining the parts in containers that make low-frequency oscillations. Vibratory unit comprises working chamber elastically fitted at the base. Working chamber has polygon helical surface along its inner and outer perimetre and features spiral shape composed by sections made of two subsections made from bands bent in one direction along the crease arranged at the angle to band edges and coiled to make different-size equilateral, isosceles and scalene triangles with their sizes differing by linear value multiple of integer Δ. Invention covers also the interconnection of said triangles for making preset-shape working chamber.
EFFECT: expanded performances, higher efficiency.
15 dwg
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