Hip Actuator Assembly
Powered hip joint: servo motor, harmonic reducer, encoder, and torque sensor. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
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Bill of materials
6 top-level lines · 33 rows shown · 114 parts total · indented to 3 levels| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Servo Motor 5 parts | exoskeleton-actuator-motor | 1× | 1 | 32 | assembly |
| 1.1 | Stator Assembly 3 parts | stator-assembly | 1× | 1 | 3 | assembly |
| 1.1.1 | Stator Core (laminations) | stator-core | 1× | 1 | — | part |
| 1.1.2 | Copper Winding | copper-winding | 1× | 1 | — | part |
| 1.1.3 | Slot Insulation | stator-insulation | 1× | 1 | — | part |
| 1.2 | Rotor Assembly 4 parts | rotor-assembly | 1× | 1 | 19 | assembly |
| 1.2.1 | Rotor Shaft | rotor-shaft | 1× | 1 | — | part |
| 1.2.2 | Rotor Core | rotor-core | 1× | 1 | — | part |
| 1.2.3 | Neodymium Magnet | neodymium-magnet | 16× | 16 | — | part |
| 1.2.4 | Ball Bearing | ball-bearing | 1× | 1 | — | part |
| 1.3 | Copper Winding | copper-winding | 1× | 1 | — | part |
| 1.4 | Neodymium Magnet | neodymium-magnet | 8× | 8 | — | part |
| 1.5 | Motor Housing | motor-housing | 1× | 1 | — | part |
| 2 | Harmonic Reducer 4 parts | exoskeleton-harmonic-reducer | 1× | 1 | 5 | assembly |
| 2.1 | Gearbox Housing | gearbox-housing | 1× | 1 | — | part |
| 2.2 | Helical Gear Pair | gear-pair | 1× | 1 | — | part |
| 2.3 | Wave Generator | exoskeleton-wave-generator | 1× | 1 | — | part |
| 2.4 | Ball Bearing | ball-bearing | 2× | 2 | — | part |
| 3 | Joint Encoder 3 parts | exoskeleton-joint-encoder | 1× | 1 | 4 | assembly |
| 3.1 | Hall Sensor | hall-sensor | 2× | 2 | — | part |
| 3.2 | Bare PCB | pcb-bare | 1× | 1 | — | part |
| 3.3 | Code Disc | exoskeleton-encoder-disc | 1× | 1 | — | part |
| 4 | Joint Torque Sensor 3 parts | exoskeleton-torque-sensor | 1× | 1 | 6 | assembly |
| 4.1 | Torque Flexure | exoskeleton-torque-flexure | 1× | 1 | — | part |
| 4.2 | Strain Gauge | exoskeleton-strain-gauge | 4× | 4 | — | part |
| 4.3 | Bare PCB | pcb-bare | 1× | 1 | — | part |
| 5 | Joint Drive 5 parts | exoskeleton-joint-drive | 1× | 1 | 65 | assembly |
| 5.1 | Bare PCB | pcb-bare | 1× | 1 | — | part |
| 5.2 | IGBT Power Module | igbt-module | 1× | 1 | — | part |
| 5.3 | Microcontroller | mcu | 1× | 1 | — | part |
| 5.4 | SMD Passive (R/C/L) | smd-passives | 60× | 60 | — | part |
| 5.5 | Connector | connector | 2× | 2 | — | part |
| 6 | Ball Bearing | ball-bearing | 2× | 2 | — | part |
Used in 1 assembly
Sourcing — likely vendors
Companies that make this · indicative price $2–$500 · MOQ & lead are typical| Vendor | HQ | Specialty | MOQ | Lead time |
|---|---|---|---|---|
| 🇨🇳Inovance inovance.com ↗ | Shenzhen, CN | Drives & motion control | 500 units | 10–14 wks |
| sonacomstar.com ↗ | Gurugram, IN | EV driveline & motors | 500 units | 10–14 wks |
| broad-ocean.com ↗ | Zhongshan, CN | Electric motors | 500 units | 10–14 wks |
| nidec.com ↗ | Singapore | Motors — regional ops | 500 units | 10–14 wks |
| bosch.in ↗ | Bengaluru, IN | Automotive components | 500 units | 10–14 wks |