28mm Planetary Gearbox.Permissible Load Range: 1.5N.m~5.0N.m
Planetary Gearbox
Bearing at output | Ball bearings | Sleeve bearings |
Max. Radial load（10mm from flange） | 100N | 100N |
Max. shaft axial load | 50N | 50N |
Radial play of shaft（ near to flange） | ≤0.08 mm | ≤0.1 mm |
Axial play of shaft | ≤0.3 mm | ≤0.3 mm |
Model No. | Current /Phase | Resistance /Phase | lnductance /Phase | Holding Torque | Detent Torque | # of Leads | Rotor lnertia | Weight | Length L1 | 适配减速比 Max. Gear Ratio |
Single Shaft | A | Ω | mH | N.m | N.m | g-cm2 | kg | mm | ||
28STH45-0956A | 0.95 | 3.4 | 1.2 | 0.075 | 0.006 | 6 | 12 | 0.14 | 45 | ≤1:189 |
28STH51-0956A | 0.95 | 4.6 | 1.8 | 0.090 | 0.008 | 6 | 18 | 0.20 | 51 | ≤1:189 |
A–Single Shaft, B– Double shaft.
Planetary Gearbox Specifications
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 | 26.9 | 33.8 | 40.7 | 47.6 | ||||||||||
Max. rated torque | N.m | 1.5 | 2.5 | 4.0 | 5.0 | |||||||||
Short time permissible torque | N.m | 4.5 | 7.5 | 12 | 15 | |||||||||
Efficiency % | 90% | 81% | 73% | 66% | ||||||||||
Backlash at no-load | 0.5° | 1.0° | 1.5° | 1.5° | ||||||||||
Weight g | 75 | 97 | 119 | 141 | ||||||||||
28STH Pull Out Torque Curve
Dimensions
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