Principles of MechanismLongmans, Green, 1870 - 463 páginas |
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Página xxvi
... surfaces . 53-60 . Toothed wheels in general . 61. Annular wheels . 62. Rack . 63. Sector . 64-69 . Axes meeting . 70. Axes not meeting . 71. Hooke's geering ( vide Art . 190 ) . 72-77 . Pitch . CLASS B. CHAPTER III . DIRECTIONAL ...
... surfaces . 53-60 . Toothed wheels in general . 61. Annular wheels . 62. Rack . 63. Sector . 64-69 . Axes meeting . 70. Axes not meeting . 71. Hooke's geering ( vide Art . 190 ) . 72-77 . Pitch . CLASS B. CHAPTER III . DIRECTIONAL ...
Página 1
... surface of the grind- stone , which is caused to travel rapidly under it . The arrangement and form of this surface , and its connection with the foot in such a manner that the pressure of the latter shall communicate the required ...
... surface of the grind- stone , which is caused to travel rapidly under it . The arrangement and form of this surface , and its connection with the foot in such a manner that the pressure of the latter shall communicate the required ...
Página 2
... 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 diameter of the grindstone to be eight inches , it must revolve at the rate of 250 turns in a minute ...
... 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 diameter of the grindstone to be eight inches , it must revolve at the rate of 250 turns in a minute ...
Página 5
... surface of a given plane , whatever be its position . The path and direction of a given point being assigned , it may move in this path and direction quickly or slowly , with a greater or less velocity ; and this velocity is estimated ...
... surface of a given plane , whatever be its position . The path and direction of a given point being assigned , it may move in this path and direction quickly or slowly , with a greater or less velocity ; and this velocity is estimated ...
Página 6
... surface or solid round an immovable line , called the axis of rotation . Revolution is the course of anything which returns to the point at which it began to move ' ( Johnson ) , but is often employed in common language and by ...
... surface or solid round an immovable line , called the axis of rotation . Revolution is the course of anything which returns to the point at which it began to move ' ( Johnson ) , but is often employed in common language and by ...
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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