28JXS40K/28STH Planetary Gearbox Stepper Motor
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Basic parameters
Alternative material for annular gear: Metal
Φ28mm
Permitted torque for 28JXS40K/28STH planetary gearbox stepper motor ranges from 1.2 N.m to 4.0N.m.
Max radial load for 28JXS40K/28STH planetary gearbox stepper motor shall be no bigger than 35N.
| Ring material | Metal |
| Bearing at output | Ball bearings |
| Max. Radial load (10mm from flange) | ≤35N |
| Max. shaft axial load | ≤25N |
| Radial play of shaft (near to flange) | ≤ 0.07 N |
| Backlash at no-load | ≤1.5° |
| Single Shaft | Rated Voltage V | Current / Phase A | Resistance / Phase Ω | Inductance / Phase mH | Holding Torque g·cm | Extension lines | Rotor Inertia g·m2 | Weight (g) | Length L1 mm | Max. Gear Ratio |
| 3.4 | 0.95 | 3.4 | 1.2 | 750 | 6 | 12 | 44.5 | 44.5 | ≤ 1:189 | |
| 4.4 | 0.95 | 4.6 | 1.8 | 900 | 6 | 18 | 50.5 | 50.5 | ≤ 1:189 |
| Reduction ratio | 3.71 | 5.18 | 14 | 19 | 27 | 51 | 71 | 100 | 139 | 189 | 264 | 369 |
| Number of gear trains | 1 | 2 | 3 | 4 | ||||||||
| Length (L2) mm | 31.0 | 40.1 | 49.0 | 57.9 | ||||||||
| Max. rated torque (kg•cm) | 12 | 20 | 32 | 40 | ||||||||
| Instant permissible torque (kg•cm) | 36 | 60 | 96 | 120 | ||||||||
| Efficiency | 90% | 81% | 73% | 66% | ||||||||
| Weight (g) | 60 | 85 | 95 | 110 | ||||||||
Dongzheng Motor is an experienced electric motor manufacturer, mainly makes gear motors and gearbox, and offers as AC Gearmotor, brushless DC gear motor, planetary motors, worm gear motor. fully equipped gearmotor production line and abundant motor production material, well trained staff can offer good quality gearmotors and gearbox to clients, we have had lots of experiences to serve different clients of countries.
Index
electric motor, gear motor, industrial motor, mini motor
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