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Machinists' and draftsmen's handbook, containing tables, rules and formulas, with numerous examples explaining the principles of mathematics and mechanics as applied to the mechanical trades; intended as a reference book for all interested in mechanical work (1910)

Lobben, Peder, 1858- · New York, D. Van Nostrand company · leaf 258

An illustration from Machinists' and draftsmen's handbook, containing tables, rules and formulas, with numerous examples explaining the principles of mathematics and mechanics as applied to the mechanical trades; intended as a reference book for all interested in mechanical work, 1910, leaf 258
b h) BB2 — bh22(B H—bh) I _ _{B B2- -bh2)2 — ±BBbk(B- -h)2 (B B2- 12 (B H — bh) _ b k2)2 — \BBbh{B — h)2 I _ AB B2- B2 — 2Bbk + bh2)-bh2Y — ±BBbh(B- -h)2 a 6(B B2 — b h2) STRENGTH OF MATERIALS. 239 Beams of symmetrical section, as square, round, elliptical,or H section, may be calculated on… … H =v P XL CX B . P X L CXH2 P X L When beam is round,Diameter = s-« / P X L C X 0.589 When beam is square,Side = SJPXL P = Breaking load in pounds. H — Thickness or height of beam in inches. B = Width of beam in inches. L = Length of beam in feet. C = Constant which is obtained from experiments,…

Mechanical engineering

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More pictures from Machinists' and draftsmen's handbook, containing tables, rules and formulas, with numerous examples explaining the principles of mathematics and mechanics as applied to the mechanical trades; intended as a reference book for all interested in mechanical work

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