FIELD: machine building.
SUBSTANCE: invention relates to machine building, particularly to connectors of NC machine tooling. Proposed device comprises coupling screw arranged in connector hole of basic module that can receive end module tail and bearing element composed of a ball. Balls are arranged in groove of coupling screw to rest on groove end made in basic module hole cylindrical part. Basic module is furnished with radial threaded hole to fit bearing element balls therein. Axis of said hole is aligned with that of bearing element while screw fitted in said hole has conical surface with taper angle equal to taper angle of coupling screw groove.
EFFECT: ruled out fall-out of balls, adequate locking of coupling screw.
5 dwg
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