u步距角(StepAngle)1.8°u步距精度(StepAccuracy)±5%u温升(TemperatureRise)75℃Maxu环境温度(AmbientTemperatureRange)-20℃~+50℃u绝缘等级(InsulationClass)Bu绝缘电阻(InsulationResistance)500VDC100MΩMinu绝缘强度(DielectricStrength)500VAC50Hz1MaMinuteu径向跳动(radialrunout)0.02mmMax(450g负载)u轴向间隙(axialclearance)0.08mmMax(450g负载)技术参数(Specifications)型号Model步距角StepAngle(O)机身长LengthL(mm)额定电流Current(A/phase)相电阻Resistance(Ω/phase)相电感Inductance(mH/phase)保持转矩Holdingtorque(N.m)转动惯量Rotorinertia(g.cm2)重量Weight(kg)28HB28-0641.8280.604.22.20.0360.1028HB28-0341.8280.35125.80.0360.1028HB32-0641.8320.675.63.40.0690.1128HB32-0961.8320.952.80.80.04390.1128HB45-0641.8450.676.84.90.095120.4028HB45-0961.8450.953.41.20.075120.4028HB51-0641.8510.67)