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# Chap6-4 - 6 4 n2 Ft = 2T1 d 1 Fr = Ft tg Fn = Ft cos Fr Fn...

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§6- 4 直直直直直直直直直直直直直 直直直直直直直直直 1 n 2 n n F r F t F α 直直直直直 : F T d F F tg F F t r t n t = = = 2 1 1 / / cos α α 1 T 1 d 1 6 1 n P 10 55 . 9 T × = N.mm 直直直直直 : 直直直 直直直直直直直直 直直 ; 直直直 直直直直直直直直 直直 ; 直直直直直直直直直直直

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1 d 2 d α 1 ρ 2 ρ 2 ε = Z b L ε Z ---- 直直直直直直直直直直 直 直直直 2 1 1 1 1 ρ ± ρ = ρ 直直直直 直直 2 ρ 1 ρ ρ 1 ρ = σ 1 L F Z n E H

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1 d 2 d α 1 ρ 2 ρ 2 1 1 2 2 1 1 1 1 ρ ρ ρ ± ρ = ρ ± ρ = ρ 1 z z u 1 2 = 直直直 α = ρ sin 2 d 1 1 u 1 u 1 1 1 2 1 1 2 ρ ± = ρ ρ ρ ± ρ ρ =
u 1 u bd KT 2 Z Z Z 2 1 1 H E H ± = σ ε H Z --- 直直直直直直 [ ] H σ 直直直直直 1 d d b = ψ [ ] 3 2 H H E d 1 1 Z Z Z u 1 u KT 2 d σ ± ψ ε 直直直直直直直直直直直 直直直 直直 1 d ψ b d = α α = α α = sin cos 2 tg cos 2 Z , 2 H 直直直直 直直直直直

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Chap6-4 - 6 4 n2 Ft = 2T1 d 1 Fr = Ft tg Fn = Ft cos Fr Fn...

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