Shenzhen Jingbo Mechanical & Electrical CO.,Ltd
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NEMA23 Planetary geared stepper motor with brake
Stepper motor Specification:
| Model | Step Angle(°) | LengthL(mm) | Holding Torque(N.m) | Current(A/Phase) | Resistance(Ω) | Inductance(mH) | Rotor inertia(g.cm2) | Weight(Kg) |
| J57HB41-02 | 1.8 | 41 | 0.39 | 2.0 | 1.4 | 1.4 | 120 | 0.45 |
| J57HB51-03 | 51 | 0.72 | 3.0 | 1.65 | 0.9 | 275 | 0.65 | |
| J57HB56-03 | 56 | 0.9 | 3.0 | 0.75 | 1.1 | 300 | 0.7 | |
| J57HB76-03 | 76 | 1.35 | 3.0 | 1.0 | 1.6 | 480 | 1.0 | |
| J57HB85-03 | 85 | 1.8 | 3.0 | 1.45 | 3.0 | 520 | 1.2 | |
| J57HB115-03 | 115 | 2.0 | 3.0 | 2.2 | 3.5 | 580 | 1.5 |
Note: conventional brake is power-off brake, the general brake voltage is DC24V, but we can design according to clients’ requirement
Planetary gearbox pecification:
| Technical Data | 1 stage | 2 stage | |
| Reduction ratio | 4, 5, 10 | 16, 20, 25, 40, 50, 100 | |
| Length L1: | mm | 53 | 70 |
| Rated load: | Nm | ≤25 | ≤40 |
| Efficiency: | % | 95 | 90 |
| Backlash: | arcmin | ≤15 | ≤25 |
| Weight: | KG | 0.8 | 1.1 |
| Rated input speed: | rpm | 3000 | 3000 |
| Max input speed: | rpm | 5000 | 5000 |
| Safety class: | IP | 65 | 65 |
| Lubrication: | Life grease lubrication | Life grease lubrication | |
| Noise: | dB | ≤45 | ≤45 |
| Service life: | h | ~20000 | ~20000 |
Dimension unit: mm
Connections