650轧机.pptxVIP

道次项目入口厚(mm)出口厚(mm)△h（mm）道次压下率（%）总压下率（%）11310.272.732121210.277.522.7526.7742.1537.525.222.3030.5859.8545.224.221.0019.1667.5454.224.000.225.2169.23建立微分方程道次H2（mm）h2(mm)H1(mm)h1(mm)f0(mm)f2(mm)钢组元平面变形抗力（N/mm2）铝组元平面变形抗力（N/mm2）轧制力P(KN)K2HK2hK2K1HK1hK118.4007.1714.6003.3990.20.123057040075144115338.927.1715.3543.3992.3370.20.1570720645144154149351.635.3543.8142.3371.4360.20.1720750735154164159346.043.8143.1481.4361.0470.20.1750780765164173168223.853.1483.0181.0470.9700.20.1780780780173187180105.8道次PS（KN）Pf(KN)MK1(N·m)MK(KN·m)1338.94.8943.987.92351.75.0839.178.33346.05.0032.164.14223.83.2318.637.25105.81.538.617.2R1=95;R2=230;B=500;f0=0.2;f2=0.1;T=55;K2H=[230,570,720,750,780];K2h=[570,720,750,780,780];K2=(K2H+K2h)./2;ya=[0.21,0.42,0.598,0.675,0.69];%ya表示压下率ya1=1.1*ya+0.03;ya2=1.03*ya-0.07;h1=4.6-4.6*ya1;h2=8.4-8.4*ya2;h=h1+h2;H1=[4.6,h1(1,1),h1(1,2),h1(1,3),h1(1,4)];H2=[8.4,h2(1,1),h2(1,2),h2(1,3),h2(1,4)];H=H1+H2;yh1=H1-h1;%yh表示压下量yh2=H2-h2;L=(R1.*(yh1+yh2)).^0.5;A=L./h2;w=L.*(f0+f2)./yh2;m=L.*f2./yh2;N=L.*T./yh2;C=K2./w;G=(K2+N)./m;h2r=H2.*((K2H-C)/(K2h-C)).^(m./w);K2=(K2H+K2h)./2;P=A.*B.*(h2r.*(C.*((H2./h2r).^w-1))+((K2+G)./(1+m).*(h2r./h2).^m-G)+(N.*h)./(1+m))；%轧制力disp(P)a1=sqrt(h./ R1);B=0.4.*a1;a=R1.*sin(B);%r=asin((18+0.2)/R2);r=0.26/180;s=0.2.*cos(r)+R1.*sin(r);Ps=P./cos(r);Pf=P.*tan(r);Mk=2.*(P.*a+Ps.*s+Pf.*0.72)./1000；%轧制力矩disp(Mk)轧机名称L/D1L/D2L/D比值常用比值比值常用比值比值常用比值厚板轧机3.0-5.23.2-4.51.9-2.72.0-2.51.5-2.21.6-2.0宽带轧机粗轧机座1.5-3.51.7-2.81.0-1.81.3-1.51.2-2.01.3-1.5精轧机座2.1-4.02.4-2.81.0-1.81.3-1.51.8-2.21.9-2.1冷轧板带轧机2.3-3.02.5-2.90.8-1.80.9-1.42.3-3.52.5-2.9轧辊直径（mm）辊身表面硬度范围（HS）有效淬硬层深度≥（mm）辊颈硬度范围（HS）≤300≥9590-988055301-600≥9590-9880-9010121530-55601-900≥9590-9880-908101230-55轴承四列圆柱滚子轴承深沟球轴承工作辊φ100×φ150×105φ100×φ150×24支承辊φ280×φ380×220φ200×φ310×51轧辊材料轧机类型比值（F/ d2）备注铸铁?0.6-0.8?碳钢开坯机0.7-0.9?其它轧机0.8-1.0?铬钢四辊轧机1.2-1.6按支承辊辊颈计算合金钢?1.0-1.2?道次12345轧辊直径（mm）190190190190190压下量(mm)2.732.752.301.000.22咬入角（°） 9.729.768.925.882.76道次σ1-1（MPa）σ2-2（MPa）σ3-3（MPa）τ（MPa）1149.7696.58