TPM+ product range Rotary Servo Actuators - WITTENSTEIN alpha

InformationTT 2BT 20nn 2Bn 2maxSymbol Designation UnitT 2dynDynamic load torque NmT 2PrProcess load torque NmT 2bTotal load torque at gearhead output NmT 1bTotal load torque at motor NmT MmaxMaximum acceleration torque of motor NmT 2BMaximum permissible acceleration torque at gearhead output NmT 20Permanent static torque at gearhead output NmM 2kTilting torque at gearhead output NmM 2k maxMaximum permissible tilting torque at gearhead output NmJ LMass moment of inertia of external load kgm 2J 1Mass moment of inertia of drive (motor side) kgm 2i Gearhead ratio –η Gearhead efficiency (1stage 0.97 / 2-stage 0.94) –a Acceleration of external load rad/s 2n 2BSpeed limit* for T 2Brpmn 2maxMaximum permitted output speed rpm* The maximum acceleration torque available at the gearhead output decreases if speed limit n 2Bis exceeded.64