FIELD: machine engineering. SUBSTANCE: apparatus includes housing and tool holders mounted with possibility of rotation. Hollow shaft with driving belt and mounting surfaces is mounted in housing on bearing assemblies. Coaxially relative to hollow shaft two spindles are mounted with possibility of moving them to zone for working blanks. Tool holders have rolling bodies and retainers and they are arranged by inclination angle relative to symmetry axis of apparatus in such a way that their axes cross in symmetry plane of apparatus. Mounting surfaces are coaxial relative to rotation axis of hollow shaft and they are designed for mounting worked blanks. Tool holders are mounted in end portions of spindles inclined relative to rotation axis of hollow shaft. EFFECT: simplified design of apparatus, optimal contour of profile of working surfaces of bearing races. 1 dwg
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Authors
Dates
2003-10-10—Published
2001-11-21—Filed