分割器选型计算(适用于间歇回转转盘运动) |
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须知:修改草绿色范围内数值,粉红色的为建议尺寸,可以不用修改;黄色为自动计算尺寸,不得修改; |
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参 数 输 入 区 |
间歇分割定位等份(N) |
12 |
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每分割定位时间(t1) |
1 |
sec |
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直接结果 |
选择的实际负载Te要大于 |
19.86 |
kg. m |
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每分割驱动时间(t2) |
3 |
sec |
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入力轴回转数(n ) |
125 |
rpm |
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需要电机功率要大于 |
0.40 |
kw |
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回转盘直径(D) |
60 |
cm |
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回转盘厚度(T) |
1.5 |
cm |
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摩擦扭矩 |
0.00 |
HP |
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材质比重(M) |
7.8 |
kg / m^3 |
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工件重量(M1) |
1 |
kg/组 |
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静扭矩(惯性扭矩) |
13.24 |
kg.m |
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夹具重量(M2) |
3 |
kg/组 |
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转盘底部加支撑时,接触点到转盘中心的有效半径( r ) |
0 |
cm |
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夹具固定的节圆半径Re(PCD/2) |
30 |
cm |
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摩擦系数u |
0 |
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电机效率z |
0.7 |
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安全系数fe |
1.5 |
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要求高精度时,可修改为2~3; |
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凸轮转位角度【驱动角】(Qh) |
270 |
度 |
驱动角=360°×(驱动时间)/(驱动时间+定位时间) |
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凸轮曲线系修正正弦曲线 |
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(M.S.),因此: |
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最大非向性速度……....(Vm) |
1.76 |
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最大非向性加速度…....(Am) |
5.53 |
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凸轮最大扭力系数…....(Qm) |
0.99 |
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以下为自动计算过程: |
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质量计算 |
圆盘重量(W1) |
= |
( 3.14159 / 4 ) * D^2 * T * M * 0.1^3 |
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= |
33.081 |
kg |
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工件重量(W2) |
= |
工件重量M1*分割等份(N) |
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= |
12 |
kg |
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夹具重量(W3) |
= |
M2 * N |
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= |
36 |
kg |
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零部件惯性矩 |
回转盘惯性矩(I1) |
= |
( W1 * R^2 ) / (2 * G) |
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= |
0.1519 |
(kg . m . S^2) |
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工件惯性矩(I2) |
= |
( W2 * Re^2 ) / G |
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= |
0.1102 |
(kg . m . S^2) |
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夹具惯性矩(I3) |
= |
( W3 * Re^2 ) / G |
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= |
0.3306 |
(kg . m . S^2) |
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总惯性矩( I ) |
= |
I1 + I2 + I3 |
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= |
0.593 |
(kg . m . S^2) |
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出力轴最大角加速度.(O) |
= |
Am ((2 * 3.1416) / N) * [(360 / Qh) * ( n / 60)]^2 |
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= |
22.34 |
(rad / S^2) |
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静扭矩(惯性扭矩)(Ti) |
= |
I * O |
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= |
13.24 |
(kg . m) |
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摩擦扭矩(Tf) |
= |
u * w * R |
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= |
0.00 |
(kg . m) |
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作功扭矩(Tw) 在间歇分割时没有作功,因此 Tw = 0 |
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以上总负载扭矩(Tt) |
= |
Ti + Tf + Tw |
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= |
13.2424 |
(kg . m) |
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实际负载扭矩(Te) |
= |
Tt*fe |
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= |
19.864 |
(kg . m) |
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入力轴扭矩Tc |
= |
[360 / (Qh * N)] * Qm * (Te + Tca) |
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入力轴扭矩(Tc) 注:入力轴起动负载扭矩视为0 , 因此 Tca =0 |
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= |
2.1850 |
(kg . m) |
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所须要的电机参数(P) |
= |
( Tc * n ) / (716 * Z) |
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= |
0.545 |
(HP) |
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或 (P) |
= |
( Tc * n ) / (975 * Z) |
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= |
0.400 |
(kw) |
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选型案例(兆奕分割器): |
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