MechanismLongmans, Green, and Company, 1905 - 408 страници |
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... VELOCITY - RATIO DIAGRAMS - APPROXIMATE SOLU- TIONS TO LINK MOTIONS AND RADIAL VALVE GEARS . . 213-243 CHAPTER VI . ACCELERATION DIAGRAMS . • CHAPTER VII . TOOTHED CIRCULAR WHEELS AND MACHINES FOR CUTTING TEETH CHAPTER VIII . NON ...
... VELOCITY - RATIO DIAGRAMS - APPROXIMATE SOLU- TIONS TO LINK MOTIONS AND RADIAL VALVE GEARS . . 213-243 CHAPTER VI . ACCELERATION DIAGRAMS . • CHAPTER VII . TOOTHED CIRCULAR WHEELS AND MACHINES FOR CUTTING TEETH CHAPTER VIII . NON ...
Страница 18
... velocity ratio of any two points a and b in them will be equal to the ratio of the radii of the pulleys A and B. §19 . Inclined Plane . - In the inclined plane we usually require the ratio of the velocity in any given direction to that ...
... velocity ratio of any two points a and b in them will be equal to the ratio of the radii of the pulleys A and B. §19 . Inclined Plane . - In the inclined plane we usually require the ratio of the velocity in any given direction to that ...
Страница 22
... velocity ratio of the two pulleys . It is generally assumed that there is no slipping between the belt and pulleys , and any stretching of the belt is neglected . It follows from 22 MECHANISM .
... velocity ratio of the two pulleys . It is generally assumed that there is no slipping between the belt and pulleys , and any stretching of the belt is neglected . It follows from 22 MECHANISM .
Страница 23
... speed is equal to the angular velocity multi- plied by the radius of the pulley , the angular - velocity ratio is inversely as the radii ; or , expressed otherwise , if w1 , we be the angular velocities of the two pulleys in , say ...
... speed is equal to the angular velocity multi- plied by the radius of the pulley , the angular - velocity ratio is inversely as the radii ; or , expressed otherwise , if w1 , we be the angular velocities of the two pulleys in , say ...
Страница 25
... velocity ratio may be continuously varied . R r between limits of and where R , r are the radii of the two ends . r R ' - If the belt be open , the solution is not so simple . If ( +20 ) be the angle of lapping on the larger pulley ...
... velocity ratio may be continuously varied . R r between limits of and where R , r are the radii of the two ends . r R ' - If the belt be open , the solution is not so simple . If ( +20 ) be the angle of lapping on the larger pulley ...
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actuating addendum circle angle angular velocity angular-velocity ratio arc of approach attached axis B.Sc belt bevel wheel block centripetal acceleration circular arc common normal connecting rod connecting-rod coupler crank arm crank pin crank radius crank shaft crosshead Crown 8vo curve cutter cutting cycloidal cylinder described diameter direction displacement distance draw driving ELEMENTARY ellipse engine equal equivalent crank fixed centre gear horizontal Illustrations intersect involute keyed kinematic lathe leading screw length lever line of centres line of stroke machine mandrel mean position meshes move number of teeth obliquity obtained oscillating P₁ P₁A P₂ parallel motion perpendicular pinion piston pitch circle pitch point plane pulley rack radii reciprocating piece relative represent the velocity revolution revolutions per minute roller rolling circle shape shown in Fig sliding slot spindle spur wheel straight line tool tooth trace transmitted turning pairs valve velocity diagram velocity ratio vertical whilst worm wheel
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