Principles of MechanismLongmans, Green, 1870 - 463 páginas |
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Página x
... pass on to the deter- mination of the ratios that exist between the velocities of the different points of a machine , or generally of any system of material points , in all the movements of which the machine or system is susceptible ...
... pass on to the deter- mination of the ratios that exist between the velocities of the different points of a machine , or generally of any system of material points , in all the movements of which the machine or system is susceptible ...
Página xxviii
... passing the links over the dead points . 283. Small motions . 284. Small motions about axes not parallel or meeting . 285-289 . Bell - crank work . CLASS C. CHAPTER XII . DIRECTIONAL RELATION AND VELOCITY RATIO CONSTANT OR VARYING Art ...
... passing the links over the dead points . 283. Small motions . 284. Small motions about axes not parallel or meeting . 285-289 . Bell - crank work . CLASS C. CHAPTER XII . DIRECTIONAL RELATION AND VELOCITY RATIO CONSTANT OR VARYING Art ...
Página 2
... pass under the edge of the tool at the rate of about 500 feet in a minute , and therefore supposing the diameter of the grindstone to be eight inches , it must revolve at the rate of 250 turns in a minute . The remainder of the ...
... pass under the edge of the tool at the rate of about 500 feet in a minute , and therefore supposing the diameter of the grindstone to be eight inches , it must revolve at the rate of 250 turns in a minute . The remainder of the ...
Página 5
... pass from one position to another without going through a series of intermediate positions . Thus the motion of a point describes in space a line necessarily continuous , which line is termed its path . The motion of a solid body is ...
... pass from one position to another without going through a series of intermediate positions . Thus the motion of a point describes in space a line necessarily continuous , which line is termed its path . The motion of a solid body is ...
Página 20
... passes a dead point , the motion communicated to the link and opposite arm decreases , vanishes , and then increases in a reverse direction . COR . 5. Produce AP and BQ to meet in K , and drop KL perpendicular to PQ , then pm : Pm :: PL ...
... passes a dead point , the motion communicated to the link and opposite arm decreases , vanishes , and then increases in a reverse direction . COR . 5. Produce AP and BQ to meet in K , and drop KL perpendicular to PQ , then pm : Pm :: PL ...
Otras ediciones - Ver todas
Principles of Mechanism: Designed for the Use of Students in the ... Robert Willis Vista completa - 1841 |
Principles of Mechanism: Designed for the Use of Students in the ... Robert Willis Vista completa - 1841 |
Términos y frases comunes
angle angular velocity ratio arc of action arrangement axes axis center of motion circumference clock coincide combination communicated cone connected constant contrivance cord crank cylinder dead point describing circle diameter distance driver edge ellipse employed epicyclic train epicycloid equal example excentric extremity fixed follower friction frustum geer geometrical series given groove hyperboloid hypocycloid involute jointed last wheel length line of centers link-work logarithmic spiral machine mechanism move number of teeth obtained opposite direction oscillation pair parallel parallel motion pass path perpendicular piece pinion pitch circle plane point of contact position pully rack radial radii radius ratchet-wheel respectively revolution revolve right line roller rolling contact rotation round screw shown side sliding solids of revolution surface synchronal rotations tangent termed toothed wheel versin vertical Vide wheel-work