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
... difference being one of position ; both methods are employed , con- venience generally deciding which is to be adopted ; the former , however , is the one chiefly employed . The circular dotted lines shown in the figures need not be put ...
... difference being one of position ; both methods are employed , con- venience generally deciding which is to be adopted ; the former , however , is the one chiefly employed . The circular dotted lines shown in the figures need not be put ...
Página 48
... difference is in the form of the thread , there being two parallel curves for the top and two for the bottom of the thread in square - threaded screws . At ef , fig . 87 , the back half of the thread is shown in dotted lines , portions ...
... difference is in the form of the thread , there being two parallel curves for the top and two for the bottom of the thread in square - threaded screws . At ef , fig . 87 , the back half of the thread is shown in dotted lines , portions ...
Página 48
... difference is in the form of the thread , there being two parallel curves for the top and two for the bottom of the thread in square - threaded screws . At ef , fig . 87 , the back half of the thread is shown in dotted lines , portions ...
... difference is in the form of the thread , there being two parallel curves for the top and two for the bottom of the thread in square - threaded screws . At ef , fig . 87 , the back half of the thread is shown in dotted lines , portions ...
Página 65
... difference produced in the direction of the motion of the shafts , but also a greater amount of belt surface is brought into contact with the pulleys than in the open belt , as shown at aa , bb , fig . 111. The belt , in passing from a ...
... difference produced in the direction of the motion of the shafts , but also a greater amount of belt surface is brought into contact with the pulleys than in the open belt , as shown at aa , bb , fig . 111. The belt , in passing from a ...
Página 66
... difference in the number of re- а exo az c Fig . 113 . Fig . 114 . volutions of two shafts is required , one , two , or more intermediate shafts and pulleys may be employed . 59. Pulleys are gen- erally curved on the outer surface , as ...
... difference in the number of re- а exo az c Fig . 113 . Fig . 114 . volutions of two shafts is required , one , two , or more intermediate shafts and pulleys may be employed . 59. Pulleys are gen- erally curved on the outer surface , as ...
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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