Fairbairn, William, Sir, 1789-1874 · London, Longman, Green, Longman, Roberts & Green · leaf 67
machinery inwhich the strains are irregular. In calculating the strength of thetooth, it has been usual to considerit as a short beam fixed at one end,and having the whole of the pres-sure applied along the extremity ofthe tooth. But there is a positionin which the teeth may be subjectedto a… … ON THE TEETH OF WHEELS. 43 but, if any obstruction come in between the teeth, it may bethrown entirely upon one corner of the tooth. In such a caseit may be shown, by the rules of maxima and minima, thatif E c = c B, the greatest stress will be near the line e b. Tredgold has expressed the strength…
Mills and mill-work · Machinery
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