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12v 7N.m Hollow Shaft Servo Motor for Auto-guied Steering System
This eletric motor adopt direct drive motor scheme designe, the rated speed is 80rpm, you can install it to the steering wheel shaft directly. It built in controller, support RS232, CAN communicate control, the rated voltage is 12V, rated torque is 7N.m, the peak torque reach 16N.m, it is widely used in electric power steering system for self-driving robot tractor, it is for precision agriculture, precision farming, digital farming.
| Product name | Automatic steering motor |
| Application | Self-driving tractor, automatic driving system, Agri-vehicles, Precision agriculture |
| Voltage | DC12V |
| Rated torque | 7N.m |
| Peak torque | 16N.m |
| Rated speed | 80rpm |
| Control signal | RS232, CAN2.0 |
| Feedback | 48000ppr Incremental Encoder |
| Protection grade | IP55 |
| Weight | 4.5KG |
Extremely high running accuracy
This machine adopts sine wave, vector control and high-precision magnetic encoder, with high control precision, which can ensure that the vehicle can walk within the error range of ± 2cm.
Good control line performance
The torque of the direct drive servo motor increases in proportion to the input current and does not change with speed and angular position. The relationship between torque and current is linear. Multi-pole structure design, low motor torque ripple coefficient, stable operation, can effectively reduce the "S" curve amplitude when the vehicle is going straight
Powerful acceleration and deceleration capabilities
The direct drive design of the servo motor enables gearless transmission. The ratio of torque to inertia on the load shaft is much better than gear transmission, which greatly improves the acceleration capability of the system, and greatly improves the ability to go online quickly in applications and the ability to correct errors under high-speed vehicle operation
Faster response time
The mechanical constant and electrical time constant of the direct drive servo motor are small, which ensures fast response in applications under a wide range of operating speeds, greatly improving the sensitivity of the system and improving the straight line of operation.
Interface Definition
| 1 | IN+ | Power input + |
| 2 | IN- | Power input - |
| 3 | TX | RS232-TX |
| 4 | RX | RS232-RX |
| 5 | GND | GROUND |
| 6 | CAN-H | CAN-H |
| 7 | CAN-L | CAN-L |
Application of the auto steering system
Note: most of our customers are in Navigation business line, we share the communicate protocol, and provide the motors to them, they provide the complete auto steering system (including auto steering motor, install parts, steering wheel, display screen, Beidou navigation/GNSS, auto driving controller) to the tractor manufacturer.
