Bosch Rexroth IndraDyn S - MKE Project Planning Manual

Project Planning Manual | Rexroth MKE Synchronous Motors Electric Drivesand Controls4 Technical Data4.1 Definition of Parameters4.1.1 Parameters on the Data SheetDescription Symbol Unit Description| Bosch Rexroth AG 23/131Technical DataContinuous torque at standstill 60K M 0_60 NmContinuous torque at standstill 60K I 0_60(rms) AMaximum torque M max NmMaximum current I max(rms) ATorque constant at 20 °C K M_N Nm/AContinuous torque that can be released to the motor outputshaft at a speed of n ≥ 0.1 Hz.Phase current (crest value) of the motor M dN required for thecontinuous torque at standstill MdN at a speed of n ≥ 0.1 Hz.Maximum torque I max that can be released for about 400 ms(manufacturing tolerances +5 % / 20 %).Maximum, briefly permissible phase current (crest value) ofthe motor winding without adverse affect on the permanentmagnet circuit of the motor.Ratio of the generated torque to the motor phase current (crestvalue) at a motor temperature of 20 °C. Unit: (Nm/A). Applicableup to approx. i = 2x I dN .Constant voltage at 20 °C K EMK_1000 V/min -1 Root-mean-square value of the induced motor voltage at amotor temperature of 20°C and 1000 revolutions per minute.Winding resistance at 20 °C R 12 Ohm Resistance measured between two winding ends in ohms (Ω).Winding inductivity L 12 mH Inductivity measured between two phases in (mH).Discharge capacityNumber of pole pairsC aboMoment of inerta of rotor 1) J rot kgm 2 Moment of inertia of the rotor without the optional holdingbrake. Unit = kgm².Time of the temperature rise to 63% of the maximum temperatureof the motor housing with the motor loaded with thepermissible S1 continuous torque. The thermal time constantis defined by the type of cooling used.Thermal time constant T th min1ΘmaxTthFig.4-1:chronological course of the motor housingtemperaturehighest temperature (motor housing)Thermal time constantThermal time constantMaximum torque n max min -1 have mechanical (centrifugal forces, bearing stress) or electricalMaximum permissible speed of the motor. Limiting factors can(DC link voltage)causes.