1_ch 08 Mechanical Design budynas_SM_ch08

1_ch 08 Mechanical Design budynas_SM_ch08 -...

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Chapter 8 8-1 (a) Thread depth = 2 . 5mm Ans. Width = 2 . Ans. d m = 25 1 . 25 1 . 25 = 22 . d r = 25 5 = 20 mm l = p = Ans. (b) Thread depth = 2.5 mm Ans. Width at pitch line = 2.5 mm Ans. d m = 22 . d r = 20 mm l = p = Ans. 8-2 From Table 8-1, d r = d 1 . 226 869 p d m = d 0 . 649 519 p ¯ d = d 1 . 226 869 p + d 0 . 649 519 p 2 = d 0 . 938 194 p A t = π ¯ d 2 4 = π 4 ( d 0 . 938 194 p ) 2 Ans . 8-3 From Eq. ( c ) of Sec. 8-2, P = F tan λ + f 1 f tan λ T = Pd m 2 = Fd m 2 tan λ + f 1 f tan λ e = T 0 T = Fl / (2 π ) m / 2 1 f tan λ tan λ + f = tan λ 1 f tan
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This note was uploaded on 12/13/2011 for the course EML 3013 taught by Professor Shingley during the Fall '11 term at UNF.

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