Principles of MechanismLongmans, Green, 1870 - 463 páginas |
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Página 2
... upper part of the frame , and at a convenient height to allow the tool to be pressed upon its revolving surface . The surface should pass under the edge of the tool at the rate of about 500 feet in a minute , and therefore supposing the ...
... upper part of the frame , and at a convenient height to allow the tool to be pressed upon its revolving surface . The surface should pass under the edge of the tool at the rate of about 500 feet in a minute , and therefore supposing the ...
Página 15
... upper body with the lower is continually changed , so that the line joining any given pair of upper points of contact shall be equal in length to the line joining their respective lower points . Mixed motion is when each point of con ...
... upper body with the lower is continually changed , so that the line joining any given pair of upper points of contact shall be equal in length to the line joining their respective lower points . Mixed motion is when each point of con ...
Página 25
... upper one from 5 to 6 are arcs of excentric circles , described about P and Q. The effect of this is that the wrapping connector in the posi- tions between P5 , 5Q and P6 , 6 Q acts in the manner of a link * In the points of certain ...
... upper one from 5 to 6 are arcs of excentric circles , described about P and Q. The effect of this is that the wrapping connector in the posi- tions between P5 , 5Q and P6 , 6 Q acts in the manner of a link * In the points of certain ...
Página 33
... upper traced line of the lower solid and the lower line of the upper solid shall together coincide with the actual line of contingence of the two surfaces . Then motion given to the lower solid will by the rolling contact be imparted to ...
... upper traced line of the lower solid and the lower line of the upper solid shall together coincide with the actual line of contingence of the two surfaces . Then motion given to the lower solid will by the rolling contact be imparted to ...
Página 35
... upper extremity C on the base at D , drawing DC , to meet the lower extremity . This line will touch the projection p , Ep2 of the gorge circle at Pi A line similarly drawn from D to the extremity C D 2 DIVISION A. BY ROLLING CONTACT . 35.
... upper extremity C on the base at D , drawing DC , to meet the lower extremity . This line will touch the projection p , Ep2 of the gorge circle at Pi A line similarly drawn from D to the extremity C D 2 DIVISION A. BY ROLLING CONTACT . 35.
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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