Cutters – for shaping – Rotary cutting tool – Including holder having seat for inserted tool
Patent
1988-07-20
1990-06-26
Terrell, William
Cutters, for shaping
Rotary cutting tool
Including holder having seat for inserted tool
407 40, 407 58, 407 61, B23C 506, B23C 524
Patent
active
049367188
ABSTRACT:
A face milling cutter for holding a plurality of cemented tool bits for rotation about an axis and an associated method utilize a body of material defining a shank portion securable within a rotatable spindle of a machine tool for rotation about an axis and an insert-accepting body portion within which the tool bits are supported. The insert-accepting body portion is generally cylindrically in shape and joined to the shank portion so that the longitudinal axis of the body portion coincides with the axis of rotation of the cutter. Furthermore, the body portion defines a plurality of radially outwardly-opening recesses extending along the length of the cylindrical periphery of the body portion. Each recess is adapted to accept the shank of a tool bit so that when operatively positioned therein, the tool bit shank extends generally longitudinally of the cutter body portion. Moreover, the recesses are positioned in such a relationship to the rotational axis of the cutter so that the cutting tips of bits operatively positioned within the recesses are positioned at staggered, or alternative, distances from the rotational axis of the cutter. The method of the invention includes the steps involved in setting and staggering the cutting depths of the cutting bits in the cutter.
REFERENCES:
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