The AK80-8 KV60 without driver has a higher torque constant (0.199 N·m/A against 0.198 N·m/A), draws less current at its rating (6.9 A against 10.6 A), is lighter (570 g against 960 g) and shallower (43.9 mm against 61.7 mm), and turns faster at the output (243 RPM against 109/228 RPM). The AK10-9 V2.0 KV60 has more continuous torque (18 N·m against 10 N·m) and more peak torque (48 N·m against 25 N·m). They match on diameter.
The AK80-8 KV60 without driver is US$526 and the AK10-9 V2.0 KV60 is US$895. That is US$52.60 per rated N·m for the AK80-8 KV60 without driver and US$49.72 per rated N·m for the AK10-9 V2.0 KV60.
| AK80-8 KV60 without driver | AK10-9 V2.0 KV60 | |
|---|---|---|
| Reduction Ratio | 8:1 | 9:1 |
| Rated Torque (N·m) | 10 | 18 |
| OD (mm) | 98 | 98 |
| Weight (g) | 570 | 960 |
| Peak Torque (N·m) | 25 | 48 |
| Motor Constant Km (N·m/√W) | 0.30 | 0.45 |
| Rated Voltage (V) | 48 | 24/48 |
| Rated Speed (RPM) | 243 | 109/228 |
| Rated Current (A) | 6.9 | 10.6 |
| Peak Current (A) | 21 | 29.8 |
| Maximum Torque Weight Ratio (N·m/kg) | 35 | 50 |
| Height (mm) | 43.9 | 61.7 |
| Back Drive (N·m) | 0.75 | 0.8 |
| Kv (RPM/V) | 60 | 60 |
| Kt (N·m/A) | 0.199 | 0.198 |
| Ke (V/kRPM) | 19.8 | 17.2 |
| Phase to Phase Resistance (mΩ) | 430 | 195 |
| Phase to Phase Inductance (μH) | 214 | 181 |
| Inertia (g·cm²) | 608.6 | 1002 |
| Mechanical Time Constant (ms) | 0.66 | 0.50 |
| Electrical Time Constant (ms) | 0.5 | 0.93 |
| Pole Pairs | 21 | 21 |
| Winding Type | Star Backlash (°) 0.38 | Star Backlash (°) 0.33 |
| Number of Encoder | 2 | 2 |
| Inner Loop Encoder Type | Magnetic Encoder | Magnetic Encoder |
| Inner Ring Encoder Resolution | 14bit | 14bit |
| Outer Ring Encoder Type | Magnetic Encoder | Magnetic Encoder |
| Outer Ring Encoder Resolution | 15bit | 15bit |
| CAN Connector | A1257WR-S-4P | A1257WR-S-4P |
| UART Connector | A1257WR-S-4P | A1257WR-S-4P |
| Power Connector | XT30PW-M | XT30PW-M |
| Temperature Sensor | NTC MF51B 103F3950 | NTC MF51B 103F3950 |
| Operation Ambient Temperature | -20℃~50℃ | -20℃~50℃ |
| Driving Way | FOC | FOC |
| Application | Legged Robot, Exoskeleton, AGV | Legged Robot, Exoskeleton, AGV |
Rows the two disagree on are marked; the figures are CubeMars'. To put any other two parts side by side, build your own comparison.