林-同步帶傳動(dòng)設(shè)計(jì)計(jì)算

初步條件與同步帶型號(hào)選擇,,,,,

要求條件,符號(hào),單位,公式及數(shù)據(jù)來(lái)源,數(shù)值,備注

傳動(dòng)及負(fù)載重量,m,kg,,10.000,負(fù)載重6kg

移動(dòng)速度,V0,m/min,由原定400mm/s轉(zhuǎn)24m/min,24.000,0.400

初選帶輪直徑,d0,m,由原定19.10mm轉(zhuǎn)0.019m,0.019,"型號(hào)：HTPB20S3M100-A-H4,直徑19.10mm"

轉(zhuǎn)速,n0,rpm,n0=V0/(π*d0),399.971,

pi,π,,,3.142,

重力加速度,g,N/kg,,9.800,

摩擦系數(shù),?,,,0.500,

摩擦力,f,N,f=?mg,49.000,

傳遞功率,P,kw,P=fV0,0.020,

載荷修正系數(shù),K0,,表14.1-55,1.400,

設(shè)計(jì)功率,Pd,kw,Pd=K0P,0.027,

帶型號(hào)節(jié)距,Pb,mm,圖14.1-16，帶型取3M,3.000,

傳動(dòng)比,i,,,1.000,

同步帶輪1主，齒數(shù),Z1,,"表14.1-69a,Z1≥Zmin,取Z1=20,d1=19.10mm",20.000,19.099

同步帶輪2從，齒數(shù),Z2,,Z2=Z1*i，d2=19.10mm,20.000,19.099

初步軸間距,a0,mm,0.7(d1+d2)≦a0≦2(d1+d2),范圍27～76,459

帶長(zhǎng)（節(jié)線長(zhǎng)度）,L0,mm,L0=2a0+π(d1+d2)/2+(d2-d1)2/(4a0),937.099,

3M型號(hào)帶節(jié)線長(zhǎng)度,Lp,mm,"表14.1-66,取Lp=936",936.000,

帶齒數(shù),Z,,Z=L0/Pb,312.000,

,M,mm,M=4Lp-2π(d2+d1),3504.000,

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

安裝量,I,mm,amin=a-I，表14.1-74，I=1.02,1.020,

調(diào)整量,S,mm,amax=a-S，表14.1-74，S=0.76,0.760,

帶長(zhǎng)系數(shù),KL,,表14.1-73，取KL=1.20,1.200,

嚙合齒數(shù),Zm,,Zm=ent(0.5-(d2-d1)/6a)Z1，ent指取整,10.000,

嚙合齒數(shù)系數(shù),KZ,,Zm≥6時(shí)，Kz=1，Zm<6時(shí)，Kz=1-0.2（6-Zm),1.000,

帶的基本額定功率,P0,kw,由轉(zhuǎn)速n0和主動(dòng)輪齒數(shù)Z1，在表14.1-69a選取,0.030,

帶的基本寬度,bs0,mm,"由表14.1-70,3M帶型取bs0=6",6.000,

要求帶寬,bs,mm,,5.140,

標(biāo)準(zhǔn)寬帶,bf,mm,"表14.1-65，且bf≥bs,取bf=10",10.000,

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

緊邊張力,F1,N,F1=1250Pd/V1,85.756,

松邊張力,F2,N,F2=250Pd/V1,17.151,

矢量相加修正量,KF,,圖14.1-17，KF=0.99,0.990,

壓軸力,FQ,N,FQ=KF(F1+F2),101.879,

"綜上：同步帶型號(hào)選擇為日本三星100S3M936，同步帶輪選擇米思米型號(hào)：HTPB20S3M100-A-H4,直徑19.10mm",,,,,

,,,,同步帶輪,

,,,,齒數(shù),20

,,,,帶輪形狀,A型

,,,,材質(zhì),鋁合金

,,,,表面處理,黑色陽(yáng)極氧化處理

,,,,軸孔規(guī)