Principles of MechanismLongmans, Green, 1870 - 463 páginas |
No interior do livro
Resultados 1-5 de 38
Página 41
... groove in its circumference . When these pullies are placed together , contact takes place along a line , as in the ... grooves of the pullies . Or these radii may be obtained on the assumption that they may be considered as the radii of ...
... groove in its circumference . When these pullies are placed together , contact takes place along a line , as in the ... grooves of the pullies . Or these radii may be obtained on the assumption that they may be considered as the radii of ...
Página 43
... grooves in the manner shown in fig . 33 . The bottoms of the grooves in the right hand section are of an acute angular ... groove was used . This device was termed engrenage à coin . ' 6 53. But the most certain method of maintaining the ...
... grooves in the manner shown in fig . 33 . The bottoms of the grooves in the right hand section are of an acute angular ... groove was used . This device was termed engrenage à coin . ' 6 53. But the most certain method of maintaining the ...
Página 70
... groove in the circumference . The addition of teeth was a subsequent improvement . 93. When the required periodic varia- dtion in the ratio of angular velocity is not very great , a pair of equal common spur - wheels , with their ...
... groove in the circumference . The addition of teeth was a subsequent improvement . 93. When the required periodic varia- dtion in the ratio of angular velocity is not very great , a pair of equal common spur - wheels , with their ...
Página 71
... groove . So that as the wheel A re- volves , the groove and pin act together , and maintain the pitch lines of the wheel and pinion in contact , and at the same time prevent the teeth from getting entangled , or from escaping altogether ...
... groove . So that as the wheel A re- volves , the groove and pin act together , and maintain the pitch lines of the wheel and pinion in contact , and at the same time prevent the teeth from getting entangled , or from escaping altogether ...
Página 78
... groove BSftbhk which is cut in the surface of the disc , and made concentric to the pitch circles of the inner and outer rings of teeth , and at a normal distance 78 ELEMENTARY COMBINATIONS . CLASS C CHAPTER IV DIRECTIONAL RELATION ...
... groove BSftbhk which is cut in the surface of the disc , and made concentric to the pitch circles of the inner and outer rings of teeth , and at a normal distance 78 ELEMENTARY COMBINATIONS . CLASS C CHAPTER IV DIRECTIONAL RELATION ...
Outras edições - Ver tudo
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