Selection of electric motor

Output power

$P_{\text{o}\text{u}\text{t}}=F_t**V={?}_{kW}$

Output speed

$n_{\text{o}\text{u}\text{t}}=\frac{{60000}^{**}(V)}{**D}=,[\frac{1}{m}in]$

$\frac{1}{m}in$

$3.$ Efficiency

$y_{?}==y_{bd}**y_{cg}**y_b^2$

$y_{bd}=0,95$

$y_{cg}=0,97$

$y_b=0,995$

$y=0,95**0,97**0,{995}^2=0,91$

Input power:

$P_{in}=\frac{P_{\text{o}\text{u}\text{t}}}{}=$dots$[kW]$

Gear ratio

$i=i_{bd}**i_{cg}=(2$dots$4)**(3$dots$6)=(6$dots$24)$

Input speed

I $[1/$min$]$

$7.$ Selection of electric motor From table

Pen, $kW$ Type $n_{en},\frac{1}{m}\frac{?}{\text{i}\text{n}\text{T}}{?}_{(})\frac{\text{m}\text{a}\text{x}}{T_{\text{n}\text{o}\text{m}}}{d}_{en},mm$

Real gear ratio

$i_r=\frac{n_{en}}{n_{\text{o}\text{u}\text{t}}}=$

$i_r=i_{bd}**i_{cg}=>i_{cg}=\frac{i_r}{i_{bd}}=$

$(3..\mathrm{.}6)$

$9.$ Powers

Speeds

$n_{\text{I}}=n_{en}$

$n_{II}=\frac{n_{\text{I}}}{i_{bd}}=,[\frac{1}{m}in]$

$n_{\text{I}\text{I}\text{I}}=\frac{n_{II}}{i_{cg}}=[\frac{1}{m}in]$

Torsions

$T_{\text{I}}=9550**\frac{P_{\text{I}}}{n_{\text{I}}}={?}_{N**m}$

$T_{II}=9550**\frac{P_{II}}{n_{II}}={?}_{N**m}$

$T_{\text{I}\text{I}\text{I}}=9550**\frac{P_{\text{I}\text{I}\text{I}}}{n_{\text{I}\text{I}\text{I}}}={?}_{N^{**}(m)}$

Diameters

$d_{\text{I}}=d_{en}$:$,[mm]$

$d_{II}==[mm]$

$d_{\text{I}\text{I}\text{I}}==,[mm]$

$[]=(15$dots$30)MPa$

$$ P$,$ kW n$,1/$min T$,$ N$*$m d$,$ mm i

I

II

III