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| 联系方式 Contact us |
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常州市鼎智悦凯机电有限公司
手机：13775090797
邮箱：sales@dzykmotor.com
地址：常州市武进区人民中路151号
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 您当前的位置：首页 - 新闻中心 |
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| 选型计算 |
| 发布者：admin 发布时间：2017-07-19 15:13:31 阅读：342次 |
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丝杠水平运动选型计算表格 |
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机械结构参数： |
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速度： |
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Vl= |
10 |
m/min |
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其他常数 |
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滑动部分质量 |
M= |
8 |
kg |
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G= |
9.8 |
m/s |
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丝杠长度 |
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LB= |
0.6 |
m |
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pi= |
3.1416 |
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丝杠直径 |
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DB= |
0.04 |
m |
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丝杠密度 |
ρ= |
7900 |
kg/m3 |
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丝杠导程 |
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PB= |
0.019 |
m |
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Bitmap Bitmap
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连轴器质量 |
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MC |
2 |
kg |
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连轴器直径 |
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DC |
0.05 |
m |
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摩擦系数 |
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μ= |
0.1 |
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移动距离 |
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L= |
0.3 |
m |
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机械效率 |
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η= |
0.9 |
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定位时间 |
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t= |
1 |
s |
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加减速时间比 |
A= |
25% |
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外力 |
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Bitmap Bitmap Pict
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0 |
N |
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移动方向与水平轴夹角 |
a = |
0 |
° |
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1)速度曲线 |
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加速时间 |
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t0= |
t*A |
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= |
0.25 |
s |
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2)电机转速 |
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NM = |
Vl/PB |
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= |
526.3157895 |
rpm |
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3)负荷转矩计算 |
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轴向负载F = |
FA+ |
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= |
7.84 |
N |
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Pict |
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负载转矩TL = |
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= |
0.02634185 |
Nm |
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4)克服惯量的加速转矩计算（也称做：启动转矩） |
Pict
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直线运动平台与负载惯量 |
JL = |
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= |
7.31536E-05 |
kgm2 |
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Pict
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滚珠丝杠惯量 |
JB = |
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= |
0.001191295 |
kgm2 |
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Pict
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连轴器惯量 |
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JC= |
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= |
0.000625 |
kgm2 |
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总负荷惯量 |
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JL= |
JL+JB+JC |
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= |
0.001889448 |
kgm2 |
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启动转矩 |
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TS= |
Pict |
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安全系数 |
S= |
1 |
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= |
0.659063207 |
Nm |
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5)必须转矩 |
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必须转矩 |
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TM= |
(TL+TS)*S |
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电机惯量 |
JM= |
0.0011 |
kgm2 |
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= |
0.685405056 |
Nm |
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6)电机选择 |
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根据计算，初步确定电机型号，然后输入转子惯量，确认TM |
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7)负荷与电机惯量比 |
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惯量比 |
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I1= |
1.717680248 |
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8)负荷与减速机惯量比 |
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当负荷与电机惯量比>5时，考虑采用减速装置，提高惯量匹配 |
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折算后的惯量比 |
I2= |
0.107355015 |
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减速机减速比 |
i＝ |
4 |
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