. The manufacture of pulp and paper : a textbook of modern pulp and paper mill practice. Fig. 30 (o).. Fig. 30(6). Fig. 30 (a) is a photograph of a straight-cut burr; Fig. 30 (6)shows a segment of a grindstone, and it indicates the relationbetween the rotation of the grindstone, dressed with a straight-cut burr, and the pulpwood stick. 1 represents a segment of thegrindstone; 2, the partially ground pulp-wood stick; 3, number ofgrooves per inch of periphery of stone, corresponding again withthe cut, number, or pitch of burr used for sharpening the stone;4, the direction of rotation of the ston
. The manufacture of pulp and paper : a textbook of modern pulp and paper mill practice. Fig. 30 (o).. Fig. 30(6). Fig. 30 (a) is a photograph of a straight-cut burr; Fig. 30 (6)shows a segment of a grindstone, and it indicates the relationbetween the rotation of the grindstone, dressed with a straight-cut burr, and the pulpwood stick. 1 represents a segment of thegrindstone; 2, the partially ground pulp-wood stick; 3, number ofgrooves per inch of periphery of stone, corresponding again withthe cut, number, or pitch of burr used for sharpening the stone;4, the direction of rotation of the stone relative to the axis ofpulpwood stick; 5 is a section of the surfaces in contact betweenthe pulpwood and grindstone, showing the grooves in which the §3 THE MECHANICAL-PULP MILL 51 fibers remain, protected from re-grinding, until washed from thesurface of the stone by shower water, at each revolution. With this type of burr, a long fiber is made, but the proportionof slivers or waste is high. The amount of slivers may bereduced by making the distance between the ridges of the burrsmaller; or, i
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectpaperma, bookyear1921
