Woodworking – Planer
Patent
1998-04-13
2000-02-08
Bray, W. Donald
Woodworking
Planer
144118, 144373, 409139, B27L 1100, B27C 100
Patent
active
060218274
ABSTRACT:
The machine for surface working of wood workpieces solves the problem of the quality wood workpieces working when passing over the working area of the working head, and when leaving it. The longitudinal central axis of the oblong static rotor, with therein fixed axes inserted and mounted, and front circular plates fixed onto it, is for the .alpha. angle staggered from the perpendicular to the front surface of the guiding plate in a way that the front circular plate is for the .beta. angle staggered from the guiding plate front surface. The .alpha. angle and the .beta. angle are preferentially of the same size, and their size changes inversely proportionally to the size of the outer diameter of the front circular plate, whereby the outer diameter of the rotor preferentially also represents its drive pulley at the same time. The cutting units are inserted into the toothed rim on the front circular plate in a way that the bearing body and the compression spring are vertically inserted into the vertical blind holes, and a wedge with a fixing element is inserted into the horizontally constructed blind holes. The small cutting plates are inserted into the bed on the bearing bodies in a way that in front view the cuffing edge forms a relief .gamma. angle or in a way that in side view and in the front circular plate rotating direction the small cutting plate is inclined for a positive .delta. angle which represents the chip angle by the workpieces surface working.
REFERENCES:
patent: 4690186 (1987-09-01), Chapman
patent: 4964446 (1990-10-01), Ledinek
Gregor Ledinek
Pavel Ledinek
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