| 摘要 |
FIELD: machine building.SUBSTANCE: invention relates to machine building. Pull stud for connection of tool holder with collet in machine tool spindle with numerical control comprises housing for mounting tool holder, having longitudinal port for coolant supply, which can be engaged with cavity of housing, sealing ring installed between end of lengthwise passage and said cavity, spring installed in cavity, and ball in contact with spring. Ball is installed with possibility of opening or locking of longitudinal passage end depending on mode of internal or external coolant supply. Disclosed is CNC machine for mechanical processing using said pull stud.EFFECT: invention application allows to increase efficiency due to exclusion of equipment readjustment.7 cl, 19 dwg, 2 tbl |
