MechanismLongmans, Green, and Company, 1905 - 408 páginas |
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Página 18
... spindle which rotates in bearings in the frame of the machine . If indefinitely thin belts be wrapped round the pulleys , the 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 ...
... spindle which rotates in bearings in the frame of the machine . If indefinitely thin belts be wrapped round the pulleys , the 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 ...
Página 29
... spindle , E , which can turn in bearings suspended from a bracket , J ; and the spindle E also carries an arm , L , which is slotted at the end to receive a pin attached to D. The breadth of the pulley on the main shaft is slightly ...
... spindle , E , which can turn in bearings suspended from a bracket , J ; and the spindle E also carries an arm , L , which is slotted at the end to receive a pin attached to D. The breadth of the pulley on the main shaft is slightly ...
Página 30
... spindle C. Whatever the direction of motion , the central plane FIG . 37 . of each pulley passes through the point of delivery of the pulley from which the belt is received , and consequently the belt will keep on the pulleys . The ...
... spindle C. Whatever the direction of motion , the central plane FIG . 37 . of each pulley passes through the point of delivery of the pulley from which the belt is received , and consequently the belt will keep on the pulleys . The ...
Página 34
... spindle , let R and be the radii of the large and small drums respectively , so that any point , such as A , rises through the distance 27R , and a point , such as B , falls through the distance 2πr . Due to the motion of A alone ( the ...
... spindle , let R and be the radii of the large and small drums respectively , so that any point , such as A , rises through the distance 27R , and a point , such as B , falls through the distance 2πr . Due to the motion of A alone ( the ...
Página 35
Stanley Dunkerley. distance ( R ) for each revolution of the drum spindle . The drum spindle is rotated by a force applied at C , and the dis- placement of the point at which the force is applied is 2πR . which may be The velocity ratio ...
Stanley Dunkerley. distance ( R ) for each revolution of the drum spindle . The drum spindle is rotated by a force applied at C , and the dis- placement of the point at which the force is applied is 2πR . which may be The velocity ratio ...
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Términos y frases comunes
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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