QSn6.5-0.1冷轧压下规程模板

铜加工工艺设计,QSn6.5-0.1冷轧压下规程模板。

表2 序号123456789101112131415161718192021222324252627282930313233343536373839404142434445

轧 制 道 次

轧前厚度 H mm轧后厚度 h mm绝对压下量 △h mm道次加工率 ε=△h/H % 道次前总加工率εH % 道次后总加工率εh % 道次平均加工率 %轧前金属屈服极限 σsH Mpa轧后金属屈服极限 σsH Mpa平均金属屈服极限 σs MPa前张应力 qh Mpa后张应力 qH Mpa平均张应力q=(qh+qH)/2 Mpa平面变形抗力K=1.15σs Mpa考虑张力影响K＇=1.15σs-q Mpa摩擦系数f 咬入弧长水平投影L=(R*△h)1/2 mm参数m=2fL/(H+h)参数y=4afk＇/(H+h)参数m＇=2fL＇/(H+h)

轧辊弹性压扁弧水平投影L' mm参数8=2fL＇/△h压力系数 η＇σ =p/k＇

平均单位压力 p＇ MPa

接触面积水平投影F=B*L＇ mm

2

155.0040.0015.0027.270.0027.2718.18400.00480.00453.3380.0096.0088.00521.33433.330.1558.090.180.0060.45142.502.851.125487.501015144638705114096.31535.88105.084737.27

240.0030.0010.0025.0027.2745.4539.39480.00500.00493.3396.00100.0098.00567.33469.330.1547.430.200.0100.48112.003.361.250586.671015113680666923163.49436.55105.083705.12

330.0022.008.0026.6745.4560.0055.15500.00495.00496.67100.0099.0099.50571.17471.670.1542.430.240.0130.67116.134.361.260594.301015117875700532972.11423.85105.083501.04214.80218812×1250

422.0015.007.0031.8260.0072.7368.48495.00500.00498.3399.00100.0099.50573.08473.580.1539.690.320.0180.7086.333.701.270601.45101587628527042091.63304.60105.082501.31

515.0010.005.0033.3372.7381.8278.79500.00550.00533.33100.00110.00105.00613.33508.330.1533.540.400.0290.9680.004.801.265643.04101581200522151751.34270.04105.082126.46

6 △10.007.003.0030.000.0030.0020.00220.00500.00406.6744.00100.0072.00467.67395.670.1525.980.460.0331.2570.837.081.400553.93101571896398251034.70176.18105.081315.96

轧制力P=p＇*F KN轧制力矩MZ KN-m摩擦力矩Mf KN-m空转力矩Mo KN-m静力矩Mc KN-m等效力矩M 10N·M计算电机功率N KW选择电机功率N KW 轧辊轴承中的摩擦力矩Mf1轧辊轴承中的摩擦力矩f1传动装置的传动效率η减速比i

轧前长度L1 mm轧后长度L2 mm速度V mm/s间隙时间T2 s轧制时间T1 s总时间T sMc的平方*tn

4

118.9870.0050.911.0042000577503000.0030.0019.25

112.5430.0050.911.0057750770005000.0030.0015.40

118.2150.0050.911.00770001050005000.0030.0021.00282.65

88.9380.0050.911.001050001540005000.0030.0030.80

88.1130.0050.911.001540002310005000.0030.0046.20

67.2060.0050.911.002310003300003000.0030.00110.00

432003413211409797257403257192701789208908933190493249

铜加工工艺设计,QSn6.5-0.1冷轧压下规程模板。

46

47Mo＇的平方*tn'Mc的平方*tn+Mo＇的平方*tn'331258.14331258.14331258.14

1304083480331258.14331258.14331258.1446

轧机型号：四辊可逆φ450/1150×1250 参数：工作辊直径

轧制速度5000mm/s i=1 η=0.91 轧辊轴承摩擦系数f1=0.00

铜加工工艺设计,QSn6.5-0.1冷轧压下规程模板。

铜加工工艺设计,QSn6.5-0.1冷轧压下规程模板。