Principles of MechanismLongmans, Green, 1870 - 463 páginas |
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Página xvi
... distance equal to the radius of the roller . All combinations of this kind are therefore placed under Sliding Contact , notwith- standing the employment of friction rollers . The second ground of my classification is the effect of the ...
... distance equal to the radius of the roller . All combinations of this kind are therefore placed under Sliding Contact , notwith- standing the employment of friction rollers . The second ground of my classification is the effect of the ...
Página 6
... distance is equal to the unit of space . This is termed the angular velocity of the body , which is said to rotate uniformly when its angular velocity is uniform . In uniform angular velocity the angles described by a given radius are ...
... distance is equal to the unit of space . This is termed the angular velocity of the body , which is said to rotate uniformly when its angular velocity is uniform . In uniform angular velocity the angles described by a given radius are ...
Página 8
... distance from the same point at the end of the time Ab ; its distance after the time Ac ; and so on . But the motion in one direction being accounted positive , that in the opposite direc- cg tion will be negative . If then the point ...
... distance from the same point at the end of the time Ab ; its distance after the time Ac ; and so on . But the motion in one direction being accounted positive , that in the opposite direc- cg tion will be negative . If then the point ...
Página 16
... distance on the link between the two points of attachment invariable . B In the next place , let ACE be a driver , BDF a follower whose centers of motion are A and B , and whose edges CE , DF , are Fig . 5 . F curved and connected by a ...
... distance on the link between the two points of attachment invariable . B In the next place , let ACE be a driver , BDF a follower whose centers of motion are A and B , and whose edges CE , DF , are Fig . 5 . F curved and connected by a ...
Página 29
... distance , and prevent endlong motion , and let two cy- Fig . 19 . E F linders or rollers , E , F , be fixed opposite to each other , one on each axis , and concentric to it ; the sum ELEMENTARY COMBINATIONS Class Dirl Vel II DIVISION ...
... distance , and prevent endlong motion , and let two cy- Fig . 19 . E F linders or rollers , E , F , be fixed opposite to each other , one on each axis , and concentric to it ; the sum ELEMENTARY COMBINATIONS Class Dirl Vel II DIVISION ...
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Principles of Mechanism: Designed for the Use of Students in the ... Robert Willis Visualização integral - 1841 |
Palavras e frases frequentes
angle angular velocity ratio arrangement axes axis carried center of motion circumference 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 frame friction frustum geer geometrical series given groove hyperboloid hypocycloid involute 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 shaft shown side sliding solids of revolution string surface synchronal rotations tangent termed toothed wheel turn upper versin vertical Vide weight wheel-work