Mechanical drawing. Elementary and advanced (1910)
Reid, John S. (John Simpson), 1856- · New York, J. Wiley & sons; [etc, etc.] · leaf 256
form a part of a sphere or cone.This rounding or bevelling off of the corners is called cham-fering. The radius r of the chamfering is made from i^d to2dy and the angle a is made from 6o° to 45 ° with the axis ofthe nut. When representing nuts upon a drawing they should ELEMENTARY MACHINE DETAILS.… … Fig. 323.off to form a part of a sphere with a radius r = IJ times thediameter of the bolt (d), and when the chamfering is a part 242 MECHANICAL DRAWING. of a cone the side of which makes an angle of 450 with theaxis of the nut, as shown in Fig. 323. Construction.—Begin with the plan, first…
