Machine tool
AssigneeNakabo Tekkosho Co., Ltd.
InventorSeiji Nakabo
Life of this patent
Estimating the term…
Abstract
A machine tool for grinding or cutting blade crests and rake faces both in the shank and in the hemispherical portion of an end mill having a hemispherical end. The movement of a work table is interlocked by a first linkage with a device for revolving a workpiece on its axis. The swiveling movement of a swivel slide is interlocked by a second linkage with the device for revolving the work.
Claims3
A machine tool comprising a workpiece supporting spindle rotatable about its own axis, a wire wound around said workpiece supporting spindle, a wire support to which the opposite ends of said wire are secured, a roller mounted on said wire support, a guide having a longitudinal groove along which said roller is movable, a cradle on which said guide is mounted for continuous rotation to a desired angle, said cradle being slidable parallel to said spindle axis, a tool rest for supporting a tool for grinding a workpiece, a swivel slide on which said tool rest is mounted, said swivel slide being pivotable around a pivot axis which extends through the axis of said workpiece supporting spindle, and a linkage connecting said swivel slide and said cradle and translating the swivelling movement of said swivel slide to straight-line sliding motion of said cradle in the direction parallel to the axis of said workpiece supporting spindle.
Dependencies are inferred from the claim text.