. Modern mechanism, exhibiting the latest progress in machines, motors, and the transmission of power, being a supplementary volume to Appletons' cyclopaedia of applied mechanics . or dry, are readilv broken up and forced between the two crushing rolls. 27(6 Pvufiehl Clnij-Cnixher, manufactured by Messrs. .J. W. Penfield & Son, of , is represented in Fig. 3. The peculiar construction of the cnisi)iiig-rollers in thismachine will be noted in Fig 3. On each there is a broad spiral corrugation, right and lefthand respectively, which extends the entire length of the roll. The projec
. Modern mechanism, exhibiting the latest progress in machines, motors, and the transmission of power, being a supplementary volume to Appletons' cyclopaedia of applied mechanics . or dry, are readilv broken up and forced between the two crushing rolls. 27(6 Pvufiehl Clnij-Cnixher, manufactured by Messrs. .J. W. Penfield & Son, of , is represented in Fig. 3. The peculiar construction of the cnisi)iiig-rollers in thismachine will be noted in Fig 3. On each there is a broad spiral corrugation, right and lefthand respectively, which extends the entire length of the roll. The projection on one rollfits into the corresponding depression on the other, so that the rolls can always be set closelytogether, and anv wear be thus taken up. When running at a moderate speed, the claypasses freely througli the rollers and is crushed, while all stones too large to be at ojice crushedare quickIvpas.^edlo one eiul and out of the crusher through an automatic gate. The rollersrun at different speeds ; usually one about twice as fast as the other. The mode of applyingthis so-called dilTiTential principl- to corrugated rolls is exceedingly ingenious; the necessity.
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Keywords: ., bookcentury1800, bookdecade189, booksubjectmechanicalengineering
