摘要 |
FIELD: measuring engineering. ^ SUBSTANCE: device has base unit, transducer, measuring units including measuring tip connected with the transducer, and rotation drive. The base unit has a mandrel provided whose face base has a diameter equal to that of the section to be measured. The face base is provided with a radial groove which receives the measuring tip coupled with the device for precision adjustment of position along the axis of the casing. ^ EFFECT: simplified measuring and enhanced efficiency of measuring. ^ 2 dwg |