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Φ28mm planetary gearbox
Product category：
Planetary Gearbox
Market price
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Retail price
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DC gear motor specifications:
Gearbox Specifications:
28mm
Product Details
Gearbox Specifications:
28mm
| General & Basic information | ||||||
| NO. | Description | Value | ||||
| 1 | Outer diameter | Φ28mm | ||||
| 2 | Type of Gearbox | Planetary | ||||
| 3 | Housing material | Metal | ||||
| 4 | Type of teeth | Straight Helical gear | ||||
| 5 | Teeth material | Steel | ||||
| 6 | Output shaft material | Stainless Steel | ||||
| 7 | Bearing at output | Ball Bearing | ||||
| 8 | No-load backlash | ≤2° | ||||
| 9 | Number of stages availability | 1,2,3,4 | ||||
| 10 | Axial play | ≤0.3 mm | ||||
| 11 | Radial play(10mm from flange) | ≤0.03 mm | ||||
| 12 | Dynamic Max. axial load | ≤30N | ||||
| 13 | Max. force for press fits | ≤60N | ||||
| 14 | Max. radial force(10mm from flange) | ≤80N | ||||
| 15 | Operating temperature range | -40°C to +120°C | ||||
| 16 | Operating relative humidity | 20%RH to 90%RH | ||||
| * Normally the 1st stage gears to motor made by plastic in order to reducing noise if stage number more than 1. | ||||||
| Technical Data | ||||||
| NO. | Description | Value | ||||
| 17 | Number of gear stages | 1 | 2 | 3 | 4 | |
| 18 | Reduction ratio |
3.7:1 4.3:1 5.2:1 6.7:1 |
The ratio can be one of combinations of 4 ratios | |||
| 19 | Max. continuous input speed | 10,000rpm | 12,000rpm | 18,000rpm | 18,000rpm | |
| 20 | Max. intermittent input speed | 12,000rpm | 18,000rpm | 25,000rpm | 25,000rpm | |
| 21 | Max. continuous torque | 750mNm | 3,000mNm | 5,000mNm | 6,000mNm | |
| 22 | Max. intermittent torque | 1,100mNm | 4,500mNm | 7,500mNm | 9,000mNm | |
| 23 | Direction(from the driver to output) | Same | Same | Same | Same | |
| 24 | Max. efficiency | 90% | 81% | 73% | 65% | |
| 25 | Weight without motor(g) | 74.6 | 97.6 | 120 | 145.5 | |
| 26 | L2[mm]=Length without motor | 28.7 | 35.7 | 42.7 | 49.7 | |
| 27 | L1[mm]=Length with motor | The total length of gear motor depends on the motor specified. | ||||
| Reduction ratio | Motor pinion specifications | |||||
| Material | Number of teeth | Length |
Hole diameter (D) |
|||
| 6.7:1 / 35:1 /45.5:1 / 169:1 / | Steel | z=8 | L=7 |
Φ2.3 |
||
| 5.2:1 / 19:1 / 27:1 / 100:1 / 115:1 / 139:1 / 306:1/352:1 / 516:1 / 721:1 / 2076:1 | z=11 | L=7 | ||||
| 4.3:1 / 16:1 / 79:1 / 253:1 | z=14 | L=7 | ||||
| 3.7:1 / 13.7:1 / 51:1 / 190:1 | z=17 | L=7 | ||||
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