FIELD: plastic working, cutting materials, boring cylinders for subsequent expanding and shot blasting. SUBSTANCE: device includes balls for working surface after cutting operation. Device may work surface by rolling out with the aid of sliding-twisting ball at heating up contact zone and subsequent dressing by means of annular shot-torch flow. EFFECT: enhanced accuracy and quality of worked surface due to applying special relief for increasing wear resistance. 6 cl, 8 dwg
