技术参数(Main Technical Data)v46810121416182024283236404550556065708090100120b2.845.578.5101112.514172022252831353842464956637085r0.711.31.622.32.633.33.84.5566.57891010.51113141516s0.540300.6604030300.87050403011108070601.21201008070601.5150120110908022201901701501301102.525922020017015013033302902502101801603.540033029025022020010044003703302902602302104.54704103703303002702405510450400360330270250652047043039036034030087006406005204604201081072065012950780　　本表按δb=450N/mm2抗拉强度的材料力计算依据在折弯其他不同材料时，其折弯力可按比例进行计算，表中数值为L=1米时的折弯压力。例：S=4毫米计算公式：P=650s2L/v(kN)L=1米S-所折板料之厚度（毫米 ）V=32毫米L-所折板料之宽度（米 ）查表得P=330KNV-下模开口尺寸（毫米 ）　　This chart is calculated according to the mat erial power of tensile strenght &b=450N/mm2 The bending power can be got according to the proportion while different kind of material is being bent .when L=1m.the numerical value in the chart is the bending power.e.g.S=4mmL-1mV=32mmBy Consulting the chart P=330kNCalculating Formala P=650s2L/v(kN)S-the thickness of the plate to be bent(mm)L-the width of the plate to be bent(m)V-the size of the opening of the lower die(mm)