3. Leader assembly
The leader uses a handle and trigger. Its motors have different gear ratios. Check package labels before installation and assign the IDs. Match the power supply to your kit’s ratings.
Leader motor assignments
| ID | Joint | Code in the videos | Gear ratio |
|---|---|---|---|
| 1 | Base | C044 | 1:191 |
| 2 | Shoulder | C001 | 1:345 |
| 3 | Elbow | C044 | 1:191 |
| 4 | Wrist | C046 | 1:147 |
| 5 | Handle rotation | C046 | 1:147 |
| 6 | Trigger | C046 | 1:147 |
Keep power disconnected and follow the five videos in order.
12. Leader base — motor 1, C044
- Use a C044 motor with a 1:191 gear ratio for the base. Check its package label before fitting it.
- Fit the upper horn with M3×6 and prepare the cable. Secure the motor in the base with four M2×6 screws, two above and two below.
- Fit the holder with two M2×6 screws, then the second horn. Attach the link with four M3×6 screws above and below and fit the shoulder holder.
13. Leader shoulder — motor 2, C001
- Use a C001 motor with a 1:345 gear ratio for the shoulder; it differs from the base motor.
- Fit the upper horn and M3×6 centre screw, then the cable. Insert the motor from above and secure it with four M2×6 screws.
- Fit the second horn and upper-arm link with four M3×6 screws on each side.
14. Leader elbow — motor 3, C044
- Use C044, 1:191 for the elbow, the same type as the base.
- Secure the upper horn with M3×6, prepare the cable and insert motor 3. Secure it with four M2×6 screws.
- Fit the second horn and forearm using four M3×6 screws on each side.
15. Leader wrist — motor 4, C046
- Prepare a C046 motor with a 1:147 gear ratio.
- Fit the upper horn with M3×6 and prepare the cable. Fit the holder and secure the motor with four M2×6 screws.
- Fit the second horn and hold it when tilting the assembly; it has no centre retaining screw.
16. Leader handle and trigger — motors 5 and 6
- Use C046, 1:147 for both motors. Fit motor 5 into its holder with two M2×6 screws, then its horn with M3×6.
- Prepare the cables to motors 4 and 6. Attach the wrist holder to motor 4 with four M3×6 screws per side.
- Insert the handle into its slot and secure it with M2×6. Attach the handle assembly to motor 5’s horn with four M3×6 screws.
- Fit motor 6 with two M2×6 screws on each side. Fit its horn with an M3×6 centre screw, then the trigger with four M3×6 screws.
- Check the bus connections, handle fixing and trigger travel. Continue with calibration of both arms and a teleoperation check.
Label both USB cables and power supplies. Check that each board connects to the intended arm before calibration.