Principles of MechanismLongmans, Green, 1870 - 463 páginas |
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Página v
... appears no reason why the construction of a machine for a given purpose should not , like any usual problem , be so reduced to the dominion of the mathematician , as to enable him to obtain , by direct and certain methods , all the ...
... appears no reason why the construction of a machine for a given purpose should not , like any usual problem , be so reduced to the dominion of the mathematician , as to enable him to obtain , by direct and certain methods , all the ...
Página viii
... appears that ' The investigation of the motion of a rigid body may be conveniently separated into two parts , the one geometrical , the other mechanical . In the first part , the transference of the body from a given position to any ...
... appears that ' The investigation of the motion of a rigid body may be conveniently separated into two parts , the one geometrical , the other mechanical . In the first part , the transference of the body from a given position to any ...
Página ix
... appears to have contemplated the formation of a system that would also include these latter objects ; for in his Essay on the Philosophy of the Sciences , ' published in 1834 , we find it distinctly asserted , that there exist certain ...
... appears to have contemplated the formation of a system that would also include these latter objects ; for in his Essay on the Philosophy of the Sciences , ' published in 1834 , we find it distinctly asserted , that there exist certain ...
Página xv
... appears wholly neglected by the writers already referred to . These modes I have divided into Rolling and Sliding Contact , Link - work , Wrapping Con- nection , and Reduplication . The relative motions pro- duced by each of these ...
... appears wholly neglected by the writers already referred to . These modes I have divided into Rolling and Sliding Contact , Link - work , Wrapping Con- nection , and Reduplication . The relative motions pro- duced by each of these ...
Página xvi
Robert Willis. these plates to act against . At first sight this would appear to convert the action of the combination into rolling contact . But besides that this contrivance merely transfers the sliding action to the axis of the roller ...
Robert Willis. these plates to act against . At first sight this would appear to convert the action of the combination into rolling contact . But besides that this contrivance merely transfers the sliding action to the axis of the roller ...
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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