FIELD: measuring technique.
SUBSTANCE: device comprises the computer numerical control system, unit for digital indication, tail spindle with zero head, pickup of movement, and drive for moving along the Z-coordinate. The tail spindle has three measuring heads arranged so that their sensing tips are positioned at the tops of equilateral triangle, and the pickup of movement along the Z-coordinate lies at the axis of tail spindle passing through the center of circumference described around the equilateral triangle.
EFFECT: enhanced precision.
1 cl, 3 dwg
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SU774918A1 |
