Cutting by use of rotating axially moving tool – Tool or tool with support – Having stepped cutting edges
Patent
1980-06-10
1981-12-01
Hinson, Harrison L.
Cutting by use of rotating axially moving tool
Tool or tool with support
Having stepped cutting edges
408227, 408229, 408713, 407 43, 407 46, B23B 5100, B26D 112
Patent
active
043033580
ABSTRACT:
To reduce the requirement for stocking different types of holder plates for cutting chips 9, at least the chip holder plate 16 carrying the radially outermost chip, and the next adjacent chip holder plate 6 carrying the radially more inwardly positioned chip, have mutually engaged common abutment surfaces 19, 27. The tool body 1 is formed with a recess 5 in which the radially outermost chip holder plate and the next adjacent plate are commonly secured, for example by clamping bolts or screws extending inwardly into the tool body at an angle with respect to the tool body axis 26. All of the radially inwardly positioned chip holder plates 6 are of equal size and shape. The boring or drilling diameter of the tool is defined by the width of the radially outermost chip holder plate and the chip positioned thereon. The radially outermost chip holder plate, preferably, is provided with surface deformations in a zone 20 adjacent the abutment surface 27 thereof so that the size of the radially outermost chip holder plate 16 can be reduced, for example by grinding, to thereby permit adjustment of the cutting diameter of the tool. It is then only necessary to stock two chip holder plates, namely of the radially inwardly positioned type 6, and the radially outwardly positioned type 16, the latter of maximum size for reduction, as required.
REFERENCES:
patent: 3303728 (1967-02-01), Testa
patent: 3643310 (1972-02-01), Kilbourne et al.
patent: 4033018 (1977-07-01), Bloink
patent: 4108567 (1978-08-01), Faber
patent: 4124328 (1978-11-01), Hopkins
patent: 4201500 (1980-05-01), Kralow et al.
Hinson Harrison L.
Montanwerke Walter GmbH
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