Portescap 渦輪盤步進馬達Disc Magnet Stepper MotorsDiameter 10 - 85 mmHolding Torque 1.8 - 485 mNmDetent Torque 0.9 - 20 mNm其他類型步進電機均難望項背的性能，低轉動慣量、……
