Machine drawing, a practical guide to the standard methods of graphical representation of machines, including complete detail drawings of a duplex pump and of a direct-current generator (1920)
Griffin, Charles Lewis, 1867- [from old catalog], Adams, Charles Clyde, 1882- [from old catalog] joint author · Chicago, American technical society · leaf 32
Fig. 23. Conventional Drawing for Machine Bolt Head above for conventional threads. The point is chamfered a little inthe figure so that it appears as the frustum of a cone. Another style of point is shown in Fig. 24, where the end is … Fig. 24. Conventional Drawing for Machine Bolt rounded off with a radius equal to about 1J times the diameter.The lines which represent the thread should not cross the line drawnsquare across the bolt where the chamfer or rounding of the point 22 MACHINE DRAWING begins. Note that in Fig. 21 the…
Machinery
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