MechanismLongmans, Green, 1912 - 448 страници |
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Страница 16
... lever , wheel and axle , inclined plane , and screw . The first two are examples of a turning pair , and the second a sliding pair , and the third a screw pair . In each there is no train of mechanism , and the driver and follower are ...
... lever , wheel and axle , inclined plane , and screw . The first two are examples of a turning pair , and the second a sliding pair , and the third a screw pair . In each there is no train of mechanism , and the driver and follower are ...
Страница 17
... lever , the donkey engine , Watt's parallel motion , toggle joints , Oldham's coupling , Hooke's joint , etc. These , and others , are fully discussed in Chapters III . and IV . § 16. Complex Machines . - When a mechanism consists of ...
... lever , the donkey engine , Watt's parallel motion , toggle joints , Oldham's coupling , Hooke's joint , etc. These , and others , are fully discussed in Chapters III . and IV . § 16. Complex Machines . - When a mechanism consists of ...
Страница 18
... Lever , Wheel and Axle . The lever consists of a link , AB , rotating about a pin , P , the combination forming a turning pair ( Fig . 17 ) . When motion takes place , the driving and following points A and B describe circular arcs ...
... Lever , Wheel and Axle . The lever consists of a link , AB , rotating about a pin , P , the combination forming a turning pair ( Fig . 17 ) . When motion takes place , the driving and following points A and B describe circular arcs ...
Страница 29
... lever carried by a 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 ...
... lever carried by a 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 ...
Страница 50
... lever , S , consisting of two rigid arms , turns about a fixed stud ; and the ends of the arms are slotted in order to receive two pins , one pin being attached to the extremity of the rod P , and the other attached to a piece , T ...
... lever , S , consisting of two rigid arms , turns about a fixed stud ; and the ends of the arms are slotted in order to receive two pins , one pin being attached to the extremity of the rod P , and the other attached to a piece , T ...
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actuating addendum circle angle angular velocity angular-velocity ratio attached axes axis belt bevel wheel block centripetal acceleration circular arc common normal connecting rod connecting-rod coupler crank arm crank pin crank radius crank shaft crosshead curve cutter cutting cycloidal cylinder described diameter direction displacement distance draw driving ellipse engine equal equivalent crank fixed centre frame gear horizontal intersect involute keyed kinematic chain 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 line pitch point plane pulley rack radii reciprocating piece relative represent the velocity return stroke revolution revolutions per minute roller rolling circle shape shown in Fig sliding slot spindle spur wheel straight line tangent tool tooth transmitted turning pairs valve velocity diagram velocity ratio vertical whilst worm wheel