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 142
Fig. 108. Diagram Showing Method ofLocating Belt Holes MACHINE DRAWING 129 and the belt, in passing from A to C, twists through an angle of 180°,and the line which was at aaf will occupy the position cc. There-fore, when the belt has passed from A to H, it will have twisted … Fig. 109. Diagram Showing Location of Holes for Crossed Belt through an angle which will bear the same relation to 180° that thedistance AH bears to the distance AC. That is, if AH = l of AC,the angle JGK is \ of 180°, or 45°. Whether the angle JGK shallbe laid off to the right or to the left of…
Machinery
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