Method of and arrangement for milling root butts of round timber

Woodworking – Process – Including monitoring of operation

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Details

144 2R, 144208G, 144363, 144 4, B27B 100

Patent

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045628734

ABSTRACT:
For milling root butts on round timber, a trunk is clamped at a predetermined location and non-rotatable, a milling shaft with a milling tool is brought into abutment against the trunk, the milling tool mills in the trunk butt in the abutment region to a predetermined radial depth, then by a rotary device it is moved around the trunk and mills the root butt over the entire trunk periphery with controlling of the respective radial depth of the milling shaft by a sensor arranged to sense the outer surface of the trunk.

REFERENCES:
patent: 2646092 (1953-07-01), Kolpe et al.
patent: 2725908 (1955-12-01), Ednell et al.
patent: 2767750 (1956-10-01), Stewart
patent: 3789893 (1974-02-01), Carson et al.
patent: 3913644 (1975-10-01), Braun
patent: 4303111 (1981-12-01), Neville

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