Leg Assembly
Sourcing — likely vendors
Real suppliers (🇮🇳 🇸🇬 🇨🇳); price, MOQ & lead time are estimates| Vendor | HQ | Specialty | Est. unit price | MOQ | Lead time |
|---|---|---|---|---|---|
| 🇨🇳Foxconn foxconn.com ↗ | Shenzhen, CN | Electronics contract mfg | $440 | 1,000 pcs | 6–10 wks |
| flex.com ↗ | Singapore | Electronics contract mfg | $598 | 1,000 pcs | 6–10 wks |
| dixoninfo.com ↗ | Noida, IN | Electronics contract mfg | $652 | 1,000 pcs | 6–10 wks |
| bydelectronic.com ↗ | Shenzhen, CN | Electronics contract mfg | $520 | 1,000 pcs | 6–10 wks |
| venture.com.sg ↗ | Singapore | Electronics contract mfg | $481 | 1,000 pcs | 6–10 wks |
Six-DoF leg with high-torque hip, knee, and ankle actuators. 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
5 top-level lines · 58 rows shown · 456 parts total · indented to 3 levels| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Hip Actuator 6 parts | humanoid-robot-hip-actuator | 1× | 1 | 151 | assembly |
| 1.1 | Frameless BLDC Motor 5 parts | humanoid-robot-frameless-motor | 1× | 1 | 50 | assembly |
| 1.1.1 | Stator Assembly 3 parts + deeper › | stator-assembly | 1× | 1 | 3 | assembly |
| 1.1.2 | Rotor Assembly 4 parts + deeper › | rotor-assembly | 1× | 1 | 19 | assembly |
| 1.1.3 | Neodymium Magnet | neodymium-magnet | 24× | 24 | — | part |
| 1.1.4 | Copper Winding | copper-winding | 1× | 1 | — | part |
| 1.1.5 | Hall Sensor | hall-sensor | 3× | 3 | — | part |
| 1.2 | Planetary Reducer 3 parts | humanoid-robot-planetary-reducer | 1× | 1 | 4 | assembly |
| 1.2.1 | Helical Gear Pair | gear-pair | 1× | 1 | — | part |
| 1.2.2 | Ring Gear | humanoid-robot-ring-gear | 1× | 1 | — | part |
| 1.2.3 | Ball Bearing | ball-bearing | 2× | 2 | — | part |
| 1.3 | Encoder | encoder | 2× | 2 | — | part |
| 1.4 | Gate Driver Board 3 parts | gate-driver-board | 1× | 1 | 87 | assembly |
| 1.4.1 | Bare PCB | pcb-bare | 1× | 1 | — | part |
| 1.4.2 | Gate Driver IC | gate-driver-ic | 6× | 6 | — | part |
| 1.4.3 | SMD Passive (R/C/L) | smd-passives | 80× | 80 | — | part |
| 1.5 | Power MOSFET | mosfet | 6× | 6 | — | part |
| 1.6 | Ball Bearing | ball-bearing | 2× | 2 | — | part |
| 2 | Knee Actuator 6 parts | humanoid-robot-knee-actuator | 1× | 1 | 151 | assembly |
| 2.1 | Frameless BLDC Motor 5 parts | humanoid-robot-frameless-motor | 1× | 1 | 50 | assembly |
| 2.1.1 | Stator Assembly 3 parts + deeper › | stator-assembly | 1× | 1 | 3 | assembly |
| 2.1.2 | Rotor Assembly 4 parts + deeper › | rotor-assembly | 1× | 1 | 19 | assembly |
| 2.1.3 | Neodymium Magnet | neodymium-magnet | 24× | 24 | — | part |
| 2.1.4 | Copper Winding | copper-winding | 1× | 1 | — | part |
| 2.1.5 | Hall Sensor | hall-sensor | 3× | 3 | — | part |
| 2.2 | Harmonic Reducer 4 parts | humanoid-robot-harmonic-reducer | 1× | 1 | 4 | assembly |
| 2.2.1 | Wave Generator | humanoid-robot-wave-generator | 1× | 1 | — | part |
| 2.2.2 | Flexspline | humanoid-robot-flexspline | 1× | 1 | — | part |
| 2.2.3 | Circular Spline | humanoid-robot-circular-spline | 1× | 1 | — | part |
| 2.2.4 | Ball Bearing | ball-bearing | 1× | 1 | — | part |
| 2.3 | Encoder | encoder | 2× | 2 | — | part |
| 2.4 | Gate Driver Board 3 parts | gate-driver-board | 1× | 1 | 87 | assembly |
| 2.4.1 | Bare PCB | pcb-bare | 1× | 1 | — | part |
| 2.4.2 | Gate Driver IC | gate-driver-ic | 6× | 6 | — | part |
| 2.4.3 | SMD Passive (R/C/L) | smd-passives | 80× | 80 | — | part |
| 2.5 | Power MOSFET | mosfet | 6× | 6 | — | part |
| 2.6 | Ball Bearing | ball-bearing | 2× | 2 | — | part |
| 3 | Ankle Actuator 6 parts | humanoid-robot-ankle-actuator | 1× | 1 | 151 | assembly |
| 3.1 | Frameless BLDC Motor 5 parts | humanoid-robot-frameless-motor | 1× | 1 | 50 | assembly |
| 3.1.1 | Stator Assembly 3 parts + deeper › | stator-assembly | 1× | 1 | 3 | assembly |
| 3.1.2 | Rotor Assembly 4 parts + deeper › | rotor-assembly | 1× | 1 | 19 | assembly |
| 3.1.3 | Neodymium Magnet | neodymium-magnet | 24× | 24 | — | part |
| 3.1.4 | Copper Winding | copper-winding | 1× | 1 | — | part |
| 3.1.5 | Hall Sensor | hall-sensor | 3× | 3 | — | part |
| 3.2 | Harmonic Reducer 4 parts | humanoid-robot-harmonic-reducer | 1× | 1 | 4 | assembly |
| 3.2.1 | Wave Generator | humanoid-robot-wave-generator | 1× | 1 | — | part |
| 3.2.2 | Flexspline | humanoid-robot-flexspline | 1× | 1 | — | part |
| 3.2.3 | Circular Spline | humanoid-robot-circular-spline | 1× | 1 | — | part |
| 3.2.4 | Ball Bearing | ball-bearing | 1× | 1 | — | part |
| 3.3 | Encoder | encoder | 2× | 2 | — | part |
| 3.4 | Gate Driver Board 3 parts | gate-driver-board | 1× | 1 | 87 | assembly |
| 3.4.1 | Bare PCB | pcb-bare | 1× | 1 | — | part |
| 3.4.2 | Gate Driver IC | gate-driver-ic | 6× | 6 | — | part |
| 3.4.3 | SMD Passive (R/C/L) | smd-passives | 80× | 80 | — | part |
| 3.5 | Power MOSFET | mosfet | 6× | 6 | — | part |
| 3.6 | Ball Bearing | ball-bearing | 2× | 2 | — | part |
| 4 | Leg Link | humanoid-robot-leg-link | 2× | 2 | — | part |
| 5 | Fastener Set | fastener-set | 1× | 1 | — | part |