Wood planer cutterhead design for reduced noise level

Details Wood planer cutterhead design for reduced noise level Wood planer cutterhead design for reduced noise level

1975-09-02

1978-02-21

Simpson, Othell M.

Woodworking

Planer

Rotary cylindrical cutter

144218, 144221, 144230, 181211, 241294, 407 51, B27C 100

Patent

active

040747379

ABSTRACT:
A helical cutterhead for a wood planer for reducing noise level during planing by supressing vibration and sound radiation by having more than one knife blade engaged in the workpiece at any instant by satisfying the minimum condition of the formula L=.pi.D cot.phi./N is less than the workpiece width and in which L is the contact distance, D is the cutterhead diameter, N is the number of knife blades, and .phi. is the helix angle, and in which L is less than 4 inches.

REFERENCES:
patent: 1194865 (1916-08-01), Muller
patent: 1278629 (1918-09-01), Francis
patent: 1359179 (1920-11-01), Lassiter
patent: 2549251 (1951-04-01), Skelton
patent: 2865572 (1958-12-01), Launert
patent: 3080014 (1963-03-01), Dahl
patent: 3589468 (1971-06-01), Rowand, Jr.
patent: 3908497 (1975-09-01), Shah

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