一般折彎R=0, θ=90°)& p. W: C2 i" M: o1 g8 i' f 1 z9 n6 f5 T I- B" j L=A+B+K 1. 當(dāng)0¢T£0.3時(shí), K=0 2. 對(duì)于鐵材如GI,SGCC,SECC,CRS,SPTE, SUS等)3 q8 _3 C4 d% r9 n" M6 t$ f 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$ h/ J F/ G1 D) i0 X8 J9 @ c. 當(dāng) T/2.5時(shí), K=0.3T 3. 對(duì)于其它有色金屬材料如AL,CU: 當(dāng) T$0.3時(shí),& b3 P- W% \. |) p; \- c K=0.5T 注: R£2.0時(shí), 按R=0處理. |
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