BARRELLING DEVICE Russian patent published in 2015 - IPC B24B31/02 

FIELD: machine building.

SUBSTANCE: barrelling device contains the frame-mounted barrelling multisection screw drum fitted with a drive and devices for loading and unloading of details. The drum has a multipass design formed by sections, assembled from two identical subsections, comprising even number, minimum four, identical isosceles triangles, series connected along the perimeter subsections with four identical equilateral triangles with formation of small and large end polygonal holes. Two subsections form a section being joined by sides with end large holes. The sections are joined to each other along the length of the barrelling drum with the sides with small end holes with formation of mutually directed polygonal helical lines.

EFFECT: improvement of efficiency of processing and expansion of the process possibilities of the device.

8 dwg