. The railroad and engineering journal . S^ge. Vol. LXII, No. 7.] ENGINEERING JOURNAL. 305 2. The Bietrix i5-ton hammer (fig. 21). Here we have :/ II X 55 « 12 X liending moment is as follows :/ X 247 X 210 457 = 113 A 113 P = R X 5,546 = 600 X 5,546 = 3,267,600,3,267,600 113 = 28,916. The ratio between this load and the weight of the work-ing parts will then be : 28,016 ==: 15,000 ^ For the two pillars of the frame the ratio will then 3. The Creusot 20-ton hammer (fig. 22). Here we have :J^_ X 26°-H4X49° + 5o-5 X35 + 23 X 25n ~ 3 X 49 The bending moment is as f
. The railroad and engineering journal . S^ge. Vol. LXII, No. 7.] ENGINEERING JOURNAL. 305 2. The Bietrix i5-ton hammer (fig. 21). Here we have :/ II X 55 « 12 X liending moment is as follows :/ X 247 X 210 457 = 113 A 113 P = R X 5,546 = 600 X 5,546 = 3,267,600,3,267,600 113 = 28,916. The ratio between this load and the weight of the work-ing parts will then be : 28,016 ==: 15,000 ^ For the two pillars of the frame the ratio will then 3. The Creusot 20-ton hammer (fig. 22). Here we have :J^_ X 26°-H4X49° + 5o-5 X35 + 23 X 25n ~ 3 X 49 The bending moment is as follows : / X 320 X 280600 = 44,600. 150/, 150 / = y? X 44,600 = 300 X 44,600 = 13,380,000,13,380,000 /> = 150 = 8g,20o. The ratio is, therefore : 89,200 = This ratio is for a single pillar. 4. LHorme lo-ton hammer (fig. 23). Here we have :/ _ 58X4I-5—43X26-5-|-70X38-5—°—2°X38-5-F2° 3 X 415/ 6,321,486 n The bending moment is as follows :Px 340 X 280 = 620 = 153/- 1S3P = -R X 50,775 = 300 X 50,775
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