
modelServogear_SEW
Servogear according to SEW Eurodrive. PSF 221 EPH 02 used as reference
Parameters
| Type | Name | Default | Description |
| Physical data |
| Real | ratio | 3 | Transmission ratio (flange_a.phi/flange_b.phi) |
| Real | eta | 0.99 | Efficiency factor |
| SI.Inertia | J_GA | 0.73e-4 | Moment of inertia of the gear unit including adapter with reference to the input shaft |
| Engineering data |
| SI.Conversions.NonSIunits.AngularVelocity_rpm | n_e | 1500 | Rated speed |
| Real | a_0 | 99.00 | Gear unit constant 1 as regards to the rise in temperature in the gear unit |
| Real | a_1 | -0.071 | Gear unit constant 2 as regards to the rise in temperature in the gear unit |
| Real | a_2 | 0 | Gear unit constant 3 as regards to the rise in temperature in the gear unit |
| Limiting data |
| SI.Conversions.NonSIunits.AngularVelocity_rpm | n_e_pk | 7500 | Maximum permitted input speed for short-time duty |
| SI.Conversions.NonSIunits.AngularVelocity_rpm | n_a_k | 1890 | Breakpoint speed (germ. Knickdrehzahl) |
| SI.Torque | M_a_max | 40 | Maximum permitted output torque for continous duty |
| SI.Torque | M_a_pk | 53 | Maximum permitted output torque for short-time duty |
| SI.Torque | M_a_NOTAUS | 75 | Maximum permitted output emergency stop torque, max 1000 stops |
| SI.Force | F_R_a_max | 2870 | Maximum permitted overhung load at the output shaft for continous duty |
| SI.Force | F_R_a_pk | 2720 | Maximum permitted overhung load at the output shaft for short-time duty |
Components
| Type | Name | Default | Description |
| Modelica.Mechanics.Rotational.Components.IdealGear | idealGear | | |
| BasicComponents.EfficiencyFactor | efficiencyFactor | | |
| Req_SEW | s | | |
| SI.Torque | con_M_a_max | | Maximum permitted output torque for continous duty |
| SI.Conversions.NonSIunits.AngularVelocity_rpm | con_n_e_pk | | Maximum permitted input speed for short-time duty |
| SI.Conversions.NonSIunits.AngularVelocity_rpm | n_e_max | | maximum speed of input shaft |
| Boolean | dec_n_a_m | | true, if mean speed is smaller than breakpoint speed (s.n_a_mean <= n_a_k) |
| SI.Torque | temp_con_M_a_eff | | Maximum permitted output torque for continous duty below breakpoint speed |
| SI.Torque | temp_con_M_a_kub | | Maximum permitted output torque for continous duty above breakpoint speed |
| Real | f_k | | Speed ratio |
| SI.Torque | con_M_a | | Maximum permitted output torque for continous duty |
| SI.Torque | M_therm | | Thermically admissible torque |
| SI.Torque | con_M_therm | | Thermically admissible torque |