螺母机和螺丝机 冷镦力计算工式

冷镦力计算公式,,,,冷镦力计算公式:P=Z×N×αb×[1+a×μ×(D/4×H)]×F,,,,,,冷镦力计算公式,,,,,,

变形后直径,变形后高度,产品变形后面积,成型为圆,计算系数:,,,,,,变形后直径,变形后高度,产品变形后面积,成型为六角,,,

20,26,314.150,,Z变形系数N工具形状系数,,,,,,18,16.2,280.584,,,,

缩后直径,7,,,工序形状系数凹陷棱角系数,,,,,,缩后直径,11,,,,,

现力T,强束力T,开式缩T,,预镦简单1.0~2.0无无1.0,,,,,,冷镦力T,强束力T,开式缩T,,,,

51.951,106.246,28.124,,精镦简单1.2~1.5有无1.75~2,,,,,,49.684,55.608,14.720,,,,

变形前直径镦,20,,,精镦复杂1.5~1.8有有2.5,,,,,,变形前直径镦,17.2,,,,,

,几工位,,,a形状系数μ摩擦系数,,,,,,,几工位,,,,,

,4,,,条形系数状态润滑系数,,,,,,,4,,,,,

合冷镦力T,强束力T,开式缩T,,圆柱形1.3研磨无0.05~0.1,,,,,,合冷镦力T,强束力T,开式缩T,,,,

112.215,424.986,112.496,,正方形/六角2.0研磨0.1~0.15,,,,,,107.317,222.431,58.879,,,,

,,,,矩形2.5精加工0.15~0.2,,,,,,,,,,,,

单冷镦力T,,铁单冷镦力T,,非对称形/复杂形2.5~3精加工0.2~0.3,,,,,,单冷镦力T,,,,,,

28.054,直径大于40,22.371,,,,,,,,26.829,,,,,,

,直径小于40,18.57,,冷镦力计算公式:P=Z×N×αb×[1+a×μ×(D/4×H)]×F,,,,,,,,,,,,

变形系数,87.75%,,,,,,,,,,,,,,,

,,,,,,,,,,变形系数,62.65%,,,,,

,,,,,,,,,,,,,,,,,

,,,,,,,,,,,,,,,,材料变形抗拉力

,,,,,,,,,,,,,,,,8#－－25

,,,,,,,,,,,反挤压力,,,,,10#－－35

,,,,,,,,,,,挤压件外径,挤压件内径,金属材料的变形抗力,,内孔面积,20#－－40

,,,,,,,,,,,19,13,右边数据,,132.728375,25#－－50

,,,,,,,,,,,对数值,0.631,,,,30#－－55

,,,,,,,,,,低碳,反挤压力,21.57,25.681,中碳钢,,35#－－58

,,,,,,,,,,,,,,,,,

,,,,,,,,,,,,变形比,,,,

,,,,,,,,,,,,0.468,,,,

,,,,,,,,,,,,,,,,,

九.模具尺寸计算：,,,,,,,,,,牙型,有Y部,无Y部,,,,

球,圆柱体,圆锥台,外六角,球面,球缺,十字槽,腰鼓,抛物线腰鼓,,B-MD,直径*2,直径（SUS=1.5D),,,,

直径mm,直径,大直径,对边,切口半径,大切口半径,底部十字宽,大直径,大直径,,C-MD/S-MD,直径*1.5,直径*1.1,,,,

,,,,,,,,,,P-MD,直径*2.3,直径*1.1,,,,

体积mm3,高度,小直径,高度,高度,小切口半径,Q深,小直径,小直径,,T/S-2,无,直径（SUS=2D),,,,

0.00,,,,,,,,,,M/S,无,直径*1.1,,,,

,体积,高度,体积,体积,高度,体积,高度,高度,,,,,,,,

,0.00,,0.00,0.00,,0.00,,,,EJOTPT延长2D（SUS＝2.5D）,,,,,,

,,体积,,,体积,,体积,体积,,,,,,,,

材料径：,7.03,0.00,,,0.00,,0.00,0,,,,,外径,牙距,螺丝锻造径,

,,,,,,,,,,螺丝谷径:,18.097,公称-0.6345*P*2,20,1.5,18.948,

用料长：,,,,,,,,,,螺母孔径:,6.890,公称-0.6345*P*2*0.85,8,1.25,,

0.00,0.00,0.00,0.00