MechanismLongmans, Green, and Company, 1905 - 408 páginas |
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Página 3
... the following illustration . Suppose a point in the block A ( Fig . 2 ) has to describe the plane path denoted by the dotted line by reason of the contact of A with some other body , B. To obtain the proper shape INTRODUCTORY . 3.
... the following illustration . Suppose a point in the block A ( Fig . 2 ) has to describe the plane path denoted by the dotted line by reason of the contact of A with some other body , B. To obtain the proper shape INTRODUCTORY . 3.
Página 6
... plane , and if the forces acting are not sufficient to cause permanent deformation in the various elements , the motion of each part is perfectly definite , and is independent of the magnitude or direction of the forces acting ; the ...
... plane , and if the forces acting are not sufficient to cause permanent deformation in the various elements , the motion of each part is perfectly definite , and is independent of the magnitude or direction of the forces acting ; the ...
Página 11
... plane motion ; that is to say , to motion in which the different bodies move parallel to one plane . Suppose a number of independent pins have to be connected together by a number of rigid links or members so as to form a rigid frame ...
... plane motion ; that is to say , to motion in which the different bodies move parallel to one plane . Suppose a number of independent pins have to be connected together by a number of rigid links or members so as to form a rigid frame ...
Página 12
... plane . § 10. Illustrations of Formula . - To illustrate the formula , con- sider one or two cases . Thus , take the chain sketched in Fig . 14 , FIG . 14 . which is usually called Peau- cellier's cell ( § 80 ) . It consists of eight ...
... plane . § 10. Illustrations of Formula . - To illustrate the formula , con- sider one or two cases . Thus , take the chain sketched in Fig . 14 , FIG . 14 . which is usually called Peau- cellier's cell ( § 80 ) . It consists of eight ...
Página 14
... plane must contain an even number of links . If a mechanism contain higher pairs , a modification must be made before the formula can be applied . Very frequently , with- out affecting the motion , a higher pair may be substituted for ...
... plane must contain an even number of links . If a mechanism contain higher pairs , a modification must be made before the formula can be applied . Very frequently , with- out affecting the motion , a higher pair may be substituted for ...
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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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