林-同步带传动设计计算

初步条件与同步带型号选择,,,,,

要求条件,符号,单位,公式及数据来源,数值,备注

传动及负载重量,m,kg,,10.000,负载重6kg

移动速度,V0,m/min,由原定400mm/s转24m/min,24.000,0.400

初选带轮直径,d0,m,由原定19.10mm转0.019m,0.019,"型号：HTPB20S3M100-A-H4,直径19.10mm"

转速,n0,rpm,n0=V0/(π*d0),399.971,

pi,π,,,3.142,

重力加速度,g,N/kg,,9.800,

摩擦系数,ɳ,,,0.500,

摩擦力,f,N,f=ɳmg,49.000,

传递功率,P,kw,P=fV0,0.020,

载荷修正系数,K0,,表14.1-55,1.400,

设计功率,Pd,kw,Pd=K0P,0.027,

带型号节距,Pb,mm,图14.1-16，带型取3M,3.000,

传动比,i,,,1.000,

同步带轮1主，齿数,Z1,,"表14.1-69a,Z1≥Zmin,取Z1=20,d1=19.10mm",20.000,19.099

同步带轮2从，齿数,Z2,,Z2=Z1*i，d2=19.10mm,20.000,19.099

初步轴间距,a0,mm,0.7(d1+d2)≦a0≦2(d1+d2),范围27～76,459

带长（节线长度）,L0,mm,L0=2a0+π(d1+d2)/2+(d2-d1)²/(4a0),937.099,

3M型号带节线长度,Lp,mm,"表14.1-66,取Lp=936",936.000,

带齿数,Z,,Z=L0/Pb,312.000,

,M,mm,M=4Lp-2π(d2+d1),3504.000,

实际中心距,a,mm,a=[M+√(M²-32(d2-d1)²)]/16,438.000,

安装量,I,mm,amin=a-I，表14.1-74，I=1.02,1.020,

调整量,S,mm,amax=a-S，表14.1-74，S=0.76,0.760,

带长系数,KL,,表14.1-73，取KL=1.20,1.200,

啮合齿数,Zm,,Zm=ent(0.5-(d2-d1)/6a)Z1，ent指取整,10.000,

啮合齿数系数,KZ,,Zm≥6时，Kz=1，Zm<6时，Kz=1-0.2（6-Zm),1.000,

带的基本额定功率,P0,kw,由转速n0和主动轮齿数Z1，在表14.1-69a选取,0.030,

带的基本宽度,bs0,mm,"由表14.1-70,3M带型取bs0=6",6.000,

要求带宽,bs,mm,,5.140,

标准宽带,bf,mm,"表14.1-65，且bf≥bs,取bf=10",10.000,

带速度,V1,m/s,V1=（π*d1*n1)/(60*1000),0.400,

紧边张力,F1,N,F1=1250Pd/V1,85.756,

松边张力,F2,N,F2=250Pd/V1,17.151,

矢量相加修正量,KF,,图14.1-17，KF=0.99,0.990,

压轴力,FQ,N,FQ=KF(F1+F2),101.879,

"综上：同步带型号选择为日本三星100S3M936，同步带轮选择米思米型号：HTPB20S3M100-A-H4,直径19.10mm",,,,,

,,,,同步带轮,

,,,,齿数,20

,,,,带轮形状,A型

,,,,材质,铝合金

,,,,表面处理,黑色阳极氧化处理

,,,,轴孔规