FIELD: devices designed for grinding, polishing articles of metal, wood and stone.
SUBSTANCE: grinding member is in the form of screw with abrasive material whose rib has the same predetermined width along its whole length. Rib has groove in its outer side along its whole length. Abrasive material in the form of rope is placed in groove and it is fixed in said groove by means of rubber sealing.
EFFECT: enhanced operational reliability, enlarged assortment of ground surfaces, shortened time period for grinding, lowered dust quantity in room.
2 cl, 5 dwg
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