FIELD: machine engineering, possibly electromechanical working of materials by means of bound abrasive.
SUBSTANCE: intermittent disc has peripheral working surface in the form of alternating diamond-abrasive dents and indentations. It has intermittent electric current lead for supplying direct electric current in time moment of contact of diamond-abrasive dent with blank. Length of each indentation is no more than half of length of dent and it is filled with copper-graphite impregnating agent.
EFFECT: improved design providing enhanced cutting condition, vibration suppression, minimum heating of blank, enhanced efficiency of taking off metal, improved quality of worked surface due to creation onto it restored envelope with special properties.
2 cl, 4 dwg
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