Changzhou Junqi International Trade Co.,Ltd
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JQ28STH Hybrid Stepping Motor Specifications:
| Model No. | Rated Voltage | Current/ Phase | Resistance/ Phase | Inductance/ Phase | Holding Torque | # of Leads | Rotor Inertia | Weight |
| V | A | Ω | mH | kg.cm | g-cm² | kg | ||
| JQ28STH45-0956A | 3.4 | 0.95 | 3.4 | 1.2 | 750 | 6 | 12 | 0.14 |
| JQ28STH51-0956A | 4.4 | 0.95 | 4.6 | 1.8 | 900 | 6 | 18 | 0.2 |
Planetary Gearbox:
Ring Material: Metal
Bearing at output: Ball Bearings
Max.Radial Load(10mm from flange): 100N
Max.Shaft axial load: 50N
Radial play of shaft(near to flange): ≤0.07mm
Axial play of shaft: ≤0.3mm
Planetary Gearbox Parameters Specification:
| Reduction | 3.71 | 5.18 | 14 | 19 | 27 | 51 | 72 | 100 | 139 | 189 |
| Number of gear trains | 1 | 2 | 3 | 4 | ||||||
| Length(L2) (mm) | 29.0 | 36.1 | 43.0 | 49.9 | ||||||
| Max.rated torque (kg.cm) | 12 | 20 | 40 | 40 | ||||||
| Short time permissible torque (kg.cm) | 40 | 60 | 120 | 120 | ||||||
| Efficiency (%) | 90 | 81 | 73 | 66 | ||||||
| Backlash at no-load | 0.6° | 1.0° | 1.5° | 1.5° | ||||||
| Weight (g) | 75 | 97 | 119 | 141 | ||||||
The motor can be desigined and manufactured with customized request.
Planetary Gearbox Motor Dimensions:
