直角弯曲展开长度计算(表)
直角弯曲展开长度计算直角弯曲展开长度计算折弯形状图折弯形状图图一 图二 图三 图四 图四修正系数 值 弯曲材料厚度 T弯曲 半径 R0.50.811.21.522.53456810 0.50.120.280.380.480.630.881.131.361.832.30 0.800.180.30.40.560.811.071.321.792.26 1-0.070.110.230.350.500.761.011.261.772.24 1.5-0.28-0.070.050.150.350.630.881.131.642.182.65 2-0.48-0.3-0.14-0.010.150.460.751.001.512.072.543.54 2.5-0.7-0.5-0.35-0.23-0.020.280.570.811.391.912.413.454.43 3-0.9-0.7-0.57-0.45-0.210.090.390.691.251.772.293.304.37 4-1.34-1.12-0.96-0.82-0.62-0.270.050.350.921.551.993.063.62 5-1.75-1.57-1.38-1.25-1.02-0.68-0.35-0.020.571.161.672.753.82 6-2.2-1.96-1.82-1.67-1.47-1.10-0.75-0.400.220.801.382.453.55 8-3-2.80-2.66-2.52-2.30-1.93-1.60-1.250.540.100.591.842.85 10-3.9-3.66-3.5-3.38-3.12-2.78-2.45-2.20-1.36-0.70-0.111.082.31 12-4.76-4.52-4.36-4.21-3.97-3.58-3.19-2.91-2.2-1.48-0.860.35-1.5 13-5.19-4.95-4.79-4.64-4.4-4.01-3.62-3.22-2.63-1.94-1.280.011.14 15-6.05-5.81-5.65-5.5-5.26-4.87-4.47-4.08-3.45-2.75-2.07-0.780.43注：1、修正系数 是按公式 =/2×RH2R 得出。其中 RH 弯曲中性层半径； 2、例 对图一 A=26.5 B=23.5 T=1.5 R=6, 求其毛坯展开长度 L.查表得 =-1.47 L=26.5+23.5-1.47=48.53
