| 摘要 |
FIELD: mechanical engineering, namely, portable grinding machine-tools. SUBSTANCE: device has supporting member in the form of two plates for fastening on hydraulic box. Lead screw carrying body with abrasive tool and drive rotating the latter is positioned between plates. Lead screw is mounted for rotation, and body is installed for reciprocation and light swinging relative to lead screw axis. Reciprocating motion of body is performed along lead screw and in direction perpendicular to lead screw axis. Free movement allows selective working of internal cylindrical surfaces of different diameters positioned on one axle. EFFECT: higher efficiency. 2 dwg
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