Robotic joints / high-load positioning
AXR R9180 16.8V combines a Brushless motor with 416 stainless steel gears. It operates at 8.4–16.8 V and weighs 380 g. At 16.8 V, the listed stall torque is 222 kg·cm and no-load speed is 0.104 s/60°. Use the dimensions and rated-load data below to assess fit.
For high-load positioning, prioritise rated torque, peak current and structural stiffness. Stall torque is not a continuous-duty rating. Robotic joints also require system validation of inertia, acceleration, duty cycle and mechanical protection.
Stall torque is not a continuous load rating. Consider rated torque and duty cycle when sizing the mechanism. The operating range specifies allowable supply voltage; it does not imply that test data exist at every voltage.
| Comparison voltage V | Stall torque kg·cm | No-load speed s/60° | Running current A | Stall current A |
|---|---|---|---|---|
| 8.4 | 139 | 0.205 | 0.4 | 5.2 |
| 12 | 200 | 0.113 | 0.58 | 9.5 |
| 16.8 | 222 | 0.104 | 0.66 | 15 |
This model uses separate power and signal wiring. Some colour labels in the source conflict; obtain a confirmed pinout before connecting and do not identify connections by colour alone.
The source lists a 1520 µs reference pulse and a 1500 µs position centre. Confirm the neutral setting and usable travel for the controller and delivered version.
Drawing and tabulated dimensions may use different datums. Confirm the final mounting drawing and interface version before machining mating parts.
Check the supply, pulse width, mounting pattern and arm connection first. Commission with the load removed or limited, verify centre position, direction and mechanical travel, then validate the working load gradually. Allow for transient current and prevent voltage drop, reversed connections and sustained contact with mechanical stops.
Select up to 4 models. Torque and speed use the comparison voltage selected above.
Select models to compare specifications and request a combined quote.
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