Principles of MechanismLongmans, Green, 1870 - 463 páginas |
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Página 5
... perpendicular to its orbit ; but the hour circle of a watch - face can be imagined as described on either surface of a given plane , whatever be its position . The path and direction of a given point being assigned , it may move in this ...
... perpendicular to its orbit ; but the hour circle of a watch - face can be imagined as described on either surface of a given plane , whatever be its position . The path and direction of a given point being assigned , it may move in this ...
Página 14
... perpendicular to it . Sliding pieces are compelled by fixed guides to describe straight lines , other pieces to move so that their points describe more complicated paths , and so on . 25. These pieces are connected in successive order ...
... perpendicular to it . Sliding pieces are compelled by fixed guides to describe straight lines , other pieces to move so that their points describe more complicated paths , and so on . 25. These pieces are connected in successive order ...
Página 17
... perpendicular to PQ , then in the right - angled triangles Ppm , APR , Pp is perpendicular to AP , and Pm to AR ; therefore the angle at P in the small triangle is equal to the angle at A in the large triangle , and the triangles are ...
... perpendicular to PQ , then in the right - angled triangles Ppm , APR , Pp is perpendicular to AP , and Pm to AR ; therefore the angle at P in the small triangle is equal to the angle at A in the large triangle , and the triangles are ...
Página 18
... perpendicular to BQ , and the momentary center must also lie somewhere in the direction of BQ ; therefore it must be in the intersection K of the two lines AP and BQ produced . But since the rod PQ turns on the momentary center K , the ...
... perpendicular to BQ , and the momentary center must also lie somewhere in the direction of BQ ; therefore it must be in the intersection K of the two lines AP and BQ produced . But since the rod PQ turns on the momentary center K , the ...
Página 20
... perpendicular , and are inversely as those lines . COR . 4. In fig . 8 , let the arm AP move into a position AP1 , so as to place the link PQ in coincidence with the center A. The arm AP now coincides with the link . Also the per ...
... perpendicular , and are inversely as those lines . COR . 4. In fig . 8 , let the arm AP move into a position AP1 , so as to place the link PQ in coincidence with the center A. The arm AP now coincides with the link . Also the per ...
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