皮帶輪間歇運(yùn)動(dòng)選型計(jì)算表格,,,,,,,,,,,

,機(jī)械結(jié)構(gòu)參數(shù)：,,,,,,,,,,

,,皮帶與工作物總質(zhì)量,,mL=,3000,kg,*,,g=,9.8,m/s

,,滑動(dòng)面摩擦系數(shù),,μ=,0.2,,*,,pi=,3.1416,

,,滾筒直徑,,D=,0.2,m,*,,,,

,,滾筒質(zhì)量,,m2=,20,kg,*,,,,

,,傳送帶和滾筒的機(jī)械效率,,η=,0.9,,*,,,,

,,減速機(jī)機(jī)械效率,,ηG=,0.9,,,,,,

,,減速比,,i=,50,,*,,,,

,,每次定位時(shí)間,,t=,3,s,*,,,,

,,每次運(yùn)動(dòng)距離,,L=,0.7,m,*,,,,

,,加減速時(shí)間比,,A=,20%,,*,,,,

,,外力,,FA=,0,N,*,,,,

,,移動(dòng)方向與水平軸夾角,,a=,0,°,,,,,

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

,1)速度曲線,,,,,,,,,,

,,加速時(shí)間,,t0=,t*A,,,,,,

,,,,=,0.6,s,,,,,

,2)電機(jī)轉(zhuǎn)速,,,,,,,,,,

,,減速機(jī)輸出軸角加速度,,β=,4.861111111,rad/s2,,,,,

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

,,減速機(jī)輸出軸轉(zhuǎn)速,,N=,27.85204991,rpm,,,,,

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

,,電機(jī)輸出軸角加速度,,βM=,i*β,,,,,,

,,,,=,243.0555556,rad/s2,,,,,

,,電機(jī)輸出軸轉(zhuǎn)速,,NM=,N*i,,,,,,

,,,,=,1392.602496,rpm,,,,,

,3)計(jì)算負(fù)載轉(zhuǎn)矩,,,,,,,,,,

,,減速機(jī)軸向負(fù)載,,F=,,,,,,,

,,,,=,5880,N,,,,,

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

,,減速機(jī)軸負(fù)載轉(zhuǎn)矩,,TL=,,,,,,,

,,,,=,653.3333333,Nm,,,,,

,,電機(jī)軸負(fù)載轉(zhuǎn)矩,,TLM=,,,,,,,

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

,,,,=,14.51851852,Nm,,,,,

,4)計(jì)算電機(jī)軸加速轉(zhuǎn)矩（克服慣量）,,,,,,,,,,

,,皮帶和工作物的慣量,,JM1=,,,,,,,

,,,,=,,,,,,,

,,,,=,30,kgm2,,,,,

,,滾筒的慣量,,JM2=,,,,,,,

,,,,=,0.1,kgm2,,,,,

,,折算到減速機(jī)軸的負(fù)載慣量JL=,,,JM1+2JM2,,,,,,

,,,,=,30.2,kgm2,,電機(jī)慣量,JM=,0.0086,kgm2

,,全負(fù)載慣量,,J=,,,,,,,

,,,,=,0.02068,kgm2,,,,,

,,電機(jī)軸加速轉(zhuǎn)矩,,TS=,,,,,,,

,,,,=,5.584876543,Nm,,,,,

,5）必須轉(zhuǎn)矩,,,,,,,,,,

,,必須轉(zhuǎn)矩,,TM=,(TLM+TS)*S,,,安全系數(shù),S=,1,

,,,,=,20.10339506,Nm,,,,,