Machine Construction and Drawing: Being an Introduction to the Study of Machine Construction and to the Application of Geometrical Drawing for the Representation of MachineryG.P. Putnam, 1873 - 141 páginas |
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Página 24
... turn the plane into the position AD ' , and we have the elevation shown by fig . 30. Fig . 31 is an elevation projected on the plane BC , the observer being at G. Figs . 30 and 31 may be projected similarly to fig . 29 , as shown in ...
... turn the plane into the position AD ' , and we have the elevation shown by fig . 30. Fig . 31 is an elevation projected on the plane BC , the observer being at G. Figs . 30 and 31 may be projected similarly to fig . 29 , as shown in ...
Página 56
... turns in the direction of the hands of a watch , B will turn in the opposite direction . Wheels used to transmit motion are usually provided with teeth to ensure regu- larity of motion and the transmission of greater force than could be ...
... turns in the direction of the hands of a watch , B will turn in the opposite direction . Wheels used to transmit motion are usually provided with teeth to ensure regu- larity of motion and the transmission of greater force than could be ...
Página 64
... turns round a fraction of a revolution more or less than the other . However , there are cases where pulleys and ... turn shall be the same , as 64 MACHINE CONSTRUCTION .
... turns round a fraction of a revolution more or less than the other . However , there are cases where pulleys and ... turn shall be the same , as 64 MACHINE CONSTRUCTION .
Página 65
... turn shall be the same , as shown by the arrows in fig . 109. The diameters of the pulleys on S1 and S2 will therefore ... turns through two right angles ; at c , where the two portions of the belt , ab , ab , cross , they are at right ...
... turn shall be the same , as shown by the arrows in fig . 109. The diameters of the pulleys on S1 and S2 will therefore ... turns through two right angles ; at c , where the two portions of the belt , ab , ab , cross , they are at right ...
Página 69
... turns in the same direction as S1 ; if now the two belts are moved so that e is upon the pulley b , and ƒ upon the pulley c , then S2 will turn in the opposite direction to S1 . By this means a revers- ing motion is obtained for the ...
... turns in the same direction as S1 ; if now the two belts are moved so that e is upon the pulley b , and ƒ upon the pulley c , then S2 will turn in the opposite direction to S1 . By this means a revers- ing motion is obtained for the ...
Otras ediciones - Ver todas
Machine Construction and Drawing: Being an Introduction to the Study of ... Edward Tomkins Sin vista previa disponible - 2015 |
Machine Construction and Drawing: Being an Introduction to the Study of ... Edward Tomkins Sin vista previa disponible - 2016 |
Términos y frases comunes
arcs of circles axis belt bevel wheels bolts boss bottom cast-iron centre line chamfered circular connected construction lines crank cross-section curved surface cycloidal cylindrical describe a circle diameter dimensions direction distance dotted lines draw lines parallel drawn full eccentric eleva elevation employed end-elevation example feathers F figures flanks front-elevation given circle given straight line half hole inch intersection Join Joseph Whitworth left-hand length number of revolutions object obtained oil-cup pedestal perpendicular pinion pitch circle pitch line planing machines Plate XXIV portion position projection rack and pinion radii radius rectilinear motion represent required circle right angles S₂ scale shade lines shaft sheave showing shown in figs shown in Plate sliding piece spur wheels square strap termed thickness of metal thread tion tooth touch the given vertical plane width
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