1、板料折彎力表板料折彎力表 The Chart of Force foBending Plate(Air Bending)v46810121416182024283236404550556065708090100120b2.845.578.5101112.5141720222528313538424649566370850.711.31.622.32.633.33.84.5566.57891010.511131416190.540300.660403030This chart is calculated according to0.870504030the plate of tensile st

2、rength11108070601.2120100807060b = 450N/mm 2 and length L=1m.1.51501201109080The force can be got according to2220190170150130110the proportion while different kind2.5250220200170150130of plate and different length to bebent.33.544.556810330290250210180160400330290250220200440370330290260230210本表數(shù)值是

3、以材料強度470410370330300270240510450400360330300270250b = 450N/mm 2520470430390360340300及長度 L=1m 計算而得，不同強700640600520460420810720650度的材料及長度所需的折彎力可按相應(yīng)的比例計算而得。129507801141300 1100板料折彎力計算公式：Calculating Formula ：P=650S2L/V （b = 450N/mm 2）P折彎力（千牛）P： Bending Force(kN)S 板厚（毫米）S： Thickness of the Plate(mm)L板寬（

4、米 ）L ： Width of the Plate(m)V 下模槽寬（毫米）V ： V-Opening of the Bottom Die(mm)特殊形狀工件折彎示例2板材折彎壓力：V45678101214161820242832364045505560657080b2.8 3.5 455.5 78.5 101112.5 14172022252831333842464956r0.7 0.8 11.1 1.3 1.6 22.3 2.6 33.3 3.8 4.5 566.5 7791010.5 11130.5403030表中數(shù)值為L=1m時的折彎力0.66050404030L=1M Bending

5、 force0.88070605040例 Sample: S=4MML=1MV=32MM1.0110 90807050查表得 Result:F=330KN1.2130 120 100 807060計算公式：1.4160 130 110 908070F=650S2L KN1.6170 140 120 100 9080VS 2.0220 190 160 140130 110S- 所折板料厚度mm2.2230 200 180160 140 130 110plate bending thickness2.5250 230200 170 150 130L- 所折板料寬度mmplate bending width3.0330290 240 210 180 160V- 下模開口尺寸mmplate open high3.5400 330 280 250 220 200 1804.0430 370 330 290 260 230 2104.5470 410 370 330 290 260 24035.0510 450 410 360 33