一般折彎R=0, θ=90°) L=A+B+K( F | l! f2 A+ R 1. 當(dāng)0¢T£0.3時(shí), K=04 B- ]' }8 @7 h- J6 q0 Y. ~ 2. 對于鐵材如GI,SGCC,SECC,CRS,SPTE, SUS等) a. 當(dāng)0.3¢T¢1.5時(shí), K=0.4T b. 當(dāng)1.5£T¢2.5時(shí), K=0.35T c. 當(dāng) T/2.5時(shí), K=0.3T 3. 對于其它有色金屬材料如AL,CU: 當(dāng) T$0.3時(shí)," P' v5 o" [, k* ]- u K=0.5T 注: R£2.0時(shí), 按R=0處理., J# J' L4 ]/ P; g$ m |
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