RSB1
Motorized rotary actuator
- Overview
- Specifications
- How to start using
- Dimensions
- Wiring
- Drive train specifications
- GRBL motion settings
- Ordering
Overview
Universal lightweight motorized rotary actuator for automated 360° product photography
- Black anodized aluminium
- Modular construction
- GT2 belt drive for smooth operation
- Double preloaded instrumentation bearings zero backlash
- 12.7mm through hole for wire harness or slip-ring
- Magnetic Hall sensor for precise homing
- Reduction ratio 1:5
Specifications
| Parameter | Value | Units |
| Reduction ratio | 5:1 | |
| Stepper motor step angle | 1.8 | deg |
| Motor current | 1 | A |
| Rotary stage max torque | 0.5 | Nm |
| Weight | 475 | g |
| Slewing hole diameter | 12.7 | mm |
| Radial load | >20 | N |
| Axial load | >100 | N |
How to start using
Start program
- Connect actuator to port A
- Connect cables (USB and power)
TBD: picture
- Install serial port driver if needed STM32 Virtual COM Port Driver
- Download latest Windows release from GitHub
- Extract zip file and run RSB1_360_photography program
- You should be greeted with window
- Select COM port and press CONNECT
- Status bar at the bottom should tell controller status and version. Or error message will pop
Move actuator
- TBD: load program
- TBD: create custom program
- TBD: screenshot
- Run
Video
TBD: quick step-by-step video
Dimensions
RSB1 dimensions
Detailed platform dimensions
Wiring
RJ45 pinout
| Pin | Signal |
| 1 | GND |
| 2 | 5V |
| 3 | SIG1 |
| 4 | A1 |
| 5 | A2 |
| 6 | SIG2 |
| 7 | B1 |
| 8 | B2 |
SIG1 is used for homing signal
Drive train specifications
Belt reducer
RSB1 has GT2 belt in order to transfer power to plate. 12/60 tooth pulleys provide 1:5 reduction rate.
Motor
| Parameter | Value | Unit |
| Size | NEMA17 | |
| Step angle | 1.8 ±5% | deg |
| Phase count | 2 | |
| Mass | 150 | g |
| Rated voltage | 3.5 | V |
| Rated current | 1.0 | A |
| Resistance per phase | 3.5 ±10% | Ω |
| Inductance per phase | 4.5 ±20% | mH |
| Holding torque | 160 | mN*m |
GRBL motion settings
Recommended GRBL parameters
Motion controller needs to know about actuator capabilities.
| GRBL parameter | Value | Definition |
| $100 | 111.110 | X steps/mm |
| $110 | 20000.000 | X Max rate, mm/min |
| $120 | 2000.000 | X Acceleration, mm/sec2 |
| $130 | 90.000 | X Max travel, mm |
Assume motor is connected to X axis.
Ordering
RSB1 rotary actuator can be ordered directly on Kurokesu e-store