 | Dongguan Silent Industry Co., Ltd | |
| Planetary gearbox |  | Φ42mm |
| ST42PH Series | ||
High Precision Adjustable Speed Steel Micro Planetary Gearbox for Surgical Robots/Medical Pumps/Patient Positioning Equipment
The Medical High-power Planetary Gearbox is a precision-engineered gearbox designed to meet the specific needs of medical device manufacturers. This gearbox uses precision-machined metal gears to deliver high torque output and exceptional accuracy, providing precise control over movement in cleanroom environments. The gearbox's intelligent design allows it to adjust torque and speed according to real-time data, ensuring optimal performance while reducing energy consumption. The compact size and durable construction of this gearbox make it an excellent choice for small-scale medical applications such as surgical robots, medical pumps, and patient positioning equipment.
| 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) | ≤0.03 mm | ||||
| 12 | Dynamic Max. axial load | ≤100N | ||||
| 13 | Max. force for press fits | ≤90N | ||||
| 14 | Max. radial force(15mm from flange) | ≤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 | ||
High Precision Adjustable Speed Steel Micro Planetary Gearbox for Surgical Robots/Medical Pumps/Patient Positioning Equipment
The Medical High-power Planetary Gearbox is a precision-engineered gearbox designed to meet the specific needs of medical device manufacturers. This gearbox uses precision-machined metal gears to deliver high torque output and exceptional accuracy, providing precise control over movement in cleanroom environments. The gearbox's intelligent design allows it to adjust torque and speed according to real-time data, ensuring optimal performance while reducing energy consumption. The compact size and durable construction of this gearbox make it an excellent choice for small-scale medical applications such as surgical robots, medical pumps, and patient positioning equipment.
| 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) | ≤0.03 mm | ||||
| 12 | Dynamic Max. axial load | ≤100N | ||||
| 13 | Max. force for press fits | ≤90N | ||||
| 14 | Max. radial force(15mm from flange) | ≤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 
