 | Dongguan Silent Industry Co., Ltd | |
| Planetary gearbox |  | Φ42mm |
| ST42PH Series | ||
A low-noise micro planetary gearbox is an advanced gear system engineered for delivering accurate and seamless motion with a whisper-quiet operation.
This type of gearbox employs meticulously crafted planetary gears that function with a high degree of smoothness and silence, facilitating exact control and motion in compact applications such as robotics and medical instruments. The compact design of these gearboxes is particularly advantageous in scenarios where space is at a premium.
Furthermore, the incorporation of premium materials significantly reduces friction and noise, rendering them well-suited for low-noise environments like laboratory equipment or audio-visual devices.
Thanks to their precision and quiet operation, low-noise micro planetary gearboxes are the optimal selection for applications that necessitate high precision and minimal acoustic interference.
| General & Basic information | ||||||
| NO. | Description | Value | ||||
| 1 | Outer diameter | Φ42mm | ||||
| 2 | Type of Gearbox | Planetary | ||||
| 3 | Housing material | Steel | ||||
| 4 | Type of teeth | Straight/Helical gear | ||||
| 5 | Teeth material | Plastic/Steel | ||||
| 6 | Output shaft material | Stainless Steel | ||||
| 7 | Bearing at output | Ball Bearing | ||||
| 8 | No-load backlash | ≤2° | ||||
| 9 | Number of stages availability | Optional 1 stage,2 stages,3 stages | ||||
| 10 | Axial play | ≤0.3 mm | ||||
| 11 | Radial play/(15mm from flange/15mm) | ≤0.03 mm | ||||
| 12 | Dynamic Max. axial load | ≤100N | ||||
| 13 | Max. force for press fits | ≤90N | ||||
| 14 | Max. radial force/(15mm from flange/15mm) | ≤150N | ||||
| 15 | Operating temperature range | -40°C to +120°C | ||||
| 16 | Operating relative humidity | 20%RH to 90%RH | ||||
| In ST42PH series,plastic in 1st stage,steel in 2nd and 3rd stage. | ||||||
| Technical Data | ||||||
| NO. | Description | Value | ||||
| 17 | Number of gear stages | 1 | 2 | 3 | ||
| 18 | Reduction ratio | 3.789:1 4.313:1 5.077:1 6.3:1 | The ratio can be one of combinations of 4 ratios | |||
| 19 | Max. continuous input speed | 12,000rpm | 14,0000rpm | 20,000rpm | 20,000rpm | |
| 20 | Max. intermittent input speed | 14,000rpm | 20,000rpm | 28,000rpm | 28,000rpm | |
| 21 | Max. continuous torque | 1,000mNm | 5,000mNm | 10,000mNm | 12,000mNm | |
| 22 | Max. intermittent torque | 1,500mNm | 7,500mNm | 15,000mNm | 18,000mNm | |
| 23 | Direction(from the driver to output) | Same | Same | Same | Same | |
| 24 | Max. efficiency | 90% | 80% | 70% | 60% | |
| 25 | Weight without motor/(g) | 240 | 325 | 408 | 490 | |
| 26 | L1[mm]=Length without motor | 31.6 | 42.5 | 53.4 | 64.3 | |
| 27 | L2[mm]=Length with motor | The total length of gear motor depends on the motor specified. | ||||
| Reduction ratios | Motor pinion specifications | |||||
| Material | Number of teeth | Length | Hole diameter (D) | |||
| 6.3:1 / 31.6:1 / 40:1 /254:1 /39.7:1 /792:1 / 1608:1/ | Steel | z=9 | L=9 |  Φ3.175 | ||
| 5:1 /21:1 / 25:1 / 67:1/105:1/125:1/370:1/441:1/625:1 | z=12 | L=9 | Φ4.0 | |||
| 4.2:1 / 17.6:1 / 311:1 | z=15 | L=9 | Φ5.0 | |||
| 3.6:1 / 13:1 / 49:1 | z=18 | L=9 | ||||
We are able to design and manufacture the products exactly to customers' requirements. |
| Edition 2021 Specfications subject to change without notice www.silentgearmotor.com www.gdmotor.cn |
| Dongguan Silent Industry Co., Ltd | |
| Planetary gearbox | | Φ42mm |
| ST42PH Series | ||
A low-noise micro planetary gearbox is an advanced gear system engineered for delivering accurate and seamless motion with a whisper-quiet operation.
This type of gearbox employs meticulously crafted planetary gears that function with a high degree of smoothness and silence, facilitating exact control and motion in compact applications such as robotics and medical instruments. The compact design of these gearboxes is particularly advantageous in scenarios where space is at a premium.
Furthermore, the incorporation of premium materials significantly reduces friction and noise, rendering them well-suited for low-noise environments like laboratory equipment or audio-visual devices.
Thanks to their precision and quiet operation, low-noise micro planetary gearboxes are the optimal selection for applications that necessitate high precision and minimal acoustic interference.
| General & Basic information | ||||||
| NO. | Description | Value | ||||
| 1 | Outer diameter | Φ42mm | ||||
| 2 | Type of Gearbox | Planetary | ||||
| 3 | Housing material | Steel | ||||
| 4 | Type of teeth | Straight/Helical gear | ||||
| 5 | Teeth material | Plastic/Steel | ||||
| 6 | Output shaft material | Stainless Steel | ||||
| 7 | Bearing at output | Ball Bearing | ||||
| 8 | No-load backlash | ≤2° | ||||
| 9 | Number of stages availability | Optional 1 stage,2 stages,3 stages | ||||
| 10 | Axial play | ≤0.3 mm | ||||
| 11 | Radial play/(15mm from flange/15mm) | ≤0.03 mm | ||||
| 12 | Dynamic Max. axial load | ≤100N | ||||
| 13 | Max. force for press fits | ≤90N | ||||
| 14 | Max. radial force/(15mm from flange/15mm) | ≤150N | ||||
| 15 | Operating temperature range | -40°C to +120°C | ||||
| 16 | Operating relative humidity | 20%RH to 90%RH | ||||
| In ST42PH series,plastic in 1st stage,steel in 2nd and 3rd stage. | ||||||
| Technical Data | ||||||
| NO. | Description | Value | ||||
| 17 | Number of gear stages | 1 | 2 | 3 | ||
| 18 | Reduction ratio | 3.789:1 4.313:1 5.077:1 6.3:1 | The ratio can be one of combinations of 4 ratios | |||
| 19 | Max. continuous input speed | 12,000rpm | 14,0000rpm | 20,000rpm | 20,000rpm | |
| 20 | Max. intermittent input speed | 14,000rpm | 20,000rpm | 28,000rpm | 28,000rpm | |
| 21 | Max. continuous torque | 1,000mNm | 5,000mNm | 10,000mNm | 12,000mNm | |
| 22 | Max. intermittent torque | 1,500mNm | 7,500mNm | 15,000mNm | 18,000mNm | |
| 23 | Direction(from the driver to output) | Same | Same | Same | Same | |
| 24 | Max. efficiency | 90% | 80% | 70% | 60% | |
| 25 | Weight without motor/(g) | 240 | 325 | 408 | 490 | |
| 26 | L1[mm]=Length without motor | 31.6 | 42.5 | 53.4 | 64.3 | |
| 27 | L2[mm]=Length with motor | The total length of gear motor depends on the motor specified. | ||||
| Reduction ratios | Motor pinion specifications | |||||
| Material | Number of teeth | Length | Hole diameter (D) | |||
| 6.3:1 / 31.6:1 / 40:1 /254:1 /39.7:1 /792:1 / 1608:1/ | Steel | z=9 | L=9 | Φ3.175 | ||
| 5:1 /21:1 / 25:1 / 67:1/105:1/125:1/370:1/441:1/625:1 | z=12 | L=9 | Φ4.0 | |||
| 4.2:1 / 17.6:1 / 311:1 | z=15 | L=9 | Φ5.0 | |||
| 3.6:1 / 13:1 / 49:1 | z=18 | L=9 | ||||
We are able to design and manufacture the products exactly to customers' requirements. |
| Edition 2021 Specfications subject to change without notice www.silentgearmotor.com www.gdmotor.cn |
注: 建议图片大小150px*50px 
