MechanismLongmans, Green, and Company, 1905 - 408 páginas |
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Página
... straight - line motions , indicator mechanisms , quick - return motions , couplings , velocity diagrams , approximate solutions to link motions and radial valve gears , acceleration diagrams , toothed wheels , non - circular wheels ...
... straight - line motions , indicator mechanisms , quick - return motions , couplings , velocity diagrams , approximate solutions to link motions and radial valve gears , acceleration diagrams , toothed wheels , non - circular wheels ...
Página 3
... straight line by contact with straight guides ; in order that the crank shaft should continually rotate , it is enclosed within circular bearings which , like the guides , are rigidly attached to the frame ; to transmit the motion from ...
... straight line by contact with straight guides ; in order that the crank shaft should continually rotate , it is enclosed within circular bearings which , like the guides , are rigidly attached to the frame ; to transmit the motion from ...
Página 7
... straight line , and any other point D in the connecting rod an oval curve ; and these are the paths traced out by the different points relative to the frame . But now suppose that , as motion takes place , the path of the point D is ...
... straight line , and any other point D in the connecting rod an oval curve ; and these are the paths traced out by the different points relative to the frame . But now suppose that , as motion takes place , the path of the point D is ...
Página 41
... straight lines can be drawn which lie entirely on the surface . The name given to the surface is a hyperboloid of ... line , just as in the case of two cylinders or cones ; and if one of the hyperboloids rotate about its axes , it will cause ...
... straight lines can be drawn which lie entirely on the surface . The name given to the surface is a hyperboloid of ... line , just as in the case of two cylinders or cones ; and if one of the hyperboloids rotate about its axes , it will cause ...
Página 42
... line contact , the rolling sur- A B FIG . 53 . FIG . 54 . quently the pitch surfaces are made cylinders , which , geometrically , touch at a point instead of a straight line . The wheel A is then provided with teeth placed obliquely to ...
... line contact , the rolling sur- A B FIG . 53 . FIG . 54 . quently the pitch surfaces are made cylinders , which , geometrically , touch at a point instead of a straight line . The wheel A is then provided with teeth placed obliquely to ...
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Palavras e frases frequentes
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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