Cutters – for shaping – Freely movable cutting edge
Patent
1977-02-28
1978-06-06
Weidenfeld, Gil
Cutters, for shaping
Freely movable cutting edge
90DIG1, 407 38, B23B 322, B23C 304
Patent
active
040929027
ABSTRACT:
An attachment for a conventional lathe having work-supporting means for rotating a workpiece about a predetermined axis, a cross slide movable at right angles to the axis of rotation of the work supporting means and motor means for effecting rotation of the work supporting means and traversing of the cross slide, said attachment being designed to support a tool for rotation about an axis situated in a plane containing the said predetermined axis and for rectilinear movement axially at right angles to said predetermined axis. The tool is provided with one or more cutting elements such as a bit or a plurality of bits arranged at an angle of substantially 18 degrees to the axis of rotation of the tool. Other cutting devices may be substituted for the bits as, for example, grinding tools, lapidaries, twist drills, routing tools and the like. The attachment as thus described is particularly adapted to generating spherical surfaces to a high degree of accuracy and surface smoothness.
REFERENCES:
patent: 1165859 (1915-12-01), Ebert
patent: 1719689 (1929-07-01), Buehrle
patent: 2074844 (1937-03-01), Hill
patent: 2140957 (1938-12-01), Hanna
patent: 2629292 (1953-02-01), McCullough
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