Method of and arrangement for milling root butts of round timber

Details Method of and arrangement for milling root butts of round timber Method of and arrangement for milling root butts of round timber

1984-02-27

1986-01-07

Bray, W. D.

Woodworking

Process

Including monitoring of operation

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

Patent

active

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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