Principles of MechanismLongmans, Green, 1870 - 463 páginas |
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Página xxviii
... represented by curves . 301-311 . Ratchet work . 312. Inter- mittent reciprocation . 313. Prismatic link - work . 314. Solid - angular link- work for axes meeting in a point . 315. Ditto for axes neither parallel nor meeting . CHAPTER ...
... represented by curves . 301-311 . Ratchet work . 312. Inter- mittent reciprocation . 313. Prismatic link - work . 314. Solid - angular link- work for axes meeting in a point . 315. Ditto for axes neither parallel nor meeting . CHAPTER ...
Página 8
... represent the motion of a point of which the velocities at certain given intervals of time are known , take an indefinite straight line AX , and from A set off abscissæ Ab , Ac , Ad ...... proportional to the given intervals of time as ...
... represent the motion of a point of which the velocities at certain given intervals of time are known , take an indefinite straight line AX , and from A set off abscissæ Ab , Ac , Ad ...... proportional to the given intervals of time as ...
Página 9
... represent the velocities , the directions are indicated by the situation of the curve above or below the axis , which is a distinction of a dif- ferent kind from the thing it represents , and re- quires an effort of thought for its ...
... represent the velocities , the directions are indicated by the situation of the curve above or below the axis , which is a distinction of a dif- ferent kind from the thing it represents , and re- quires an effort of thought for its ...
Página 10
... represent the distances from the middle or lowest point , which are greatest at the beginnings and ends of the oscillations at a , m , n . But the curve in this case moves from right to left , and vice versâ , as the pendulum moves ...
... represent the distances from the middle or lowest point , which are greatest at the beginnings and ends of the oscillations at a , m , n . But the curve in this case moves from right to left , and vice versâ , as the pendulum moves ...
Página 21
... surfaces must have taken place equal to the difference between mp and mn . Join pn , which will ultimately represent this difference , and become a right line perpendicular to the normal MD . Also Mp TRAINS OF MECHANISM . 21.
... surfaces must have taken place equal to the difference between mp and mn . Join pn , which will ultimately represent this difference , and become a right line perpendicular to the normal MD . Also Mp TRAINS OF MECHANISM . 21.
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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