Leg Module
AssemblyA three-degree-of-freedom leg: hip abduction, hip flexion, and knee, each driven by an identical quasi-direct-drive actuator. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Leg Module parts and their functions
5 top-level parts · 228 parts in total · full bill of materials below
| # | Part | Qty | What it does |
|---|---|---|---|
| 1 | Joint Actuator 8 parts | 3× | Abduction, hip, knee |
| 2 | Upper Leg Link | 1× | Thigh structure |
| 3 | Lower Leg Link | 1× | Shin structure |
| 4 | Knee Linkage | 1× | Pushrod from knee actuator |
| 5 | Foot Assembly 3 parts | 1× | Compliant foot with contact sensing |
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Bill of materials for Leg Module
5 top-level lines · 32 rows shown · 228 parts total · indented to 3 levels| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Joint Actuator 8 parts | quadruped-robot-joint-actuator | 3× | 3 | 74 | assembly |
| 1.1 | Stator Assembly 3 parts | stator-assembly | 1× | 3 | 3 | assembly |
| 1.1.1 | Stator Core (laminations) | stator-core | 1× | 3 | · | part |
| 1.1.2 | Copper Winding | copper-winding | 1× | 3 | · | part |
| 1.1.3 | Slot Insulation | stator-insulation | 1× | 3 | · | part |
| 1.2 | Rotor Assembly 4 parts | rotor-assembly | 1× | 3 | 19 | assembly |
| 1.2.1 | Rotor Shaft | rotor-shaft | 1× | 3 | · | part |
| 1.2.2 | Rotor Core | rotor-core | 1× | 3 | · | part |
| 1.2.3 | Neodymium Magnet | neodymium-magnet | 16× | 48 | · | part |
| 1.2.4 | Ball Bearing | ball-bearing | 1× | 3 | · | part |
| 1.3 | Neodymium Magnet | neodymium-magnet | 28× | 84 | · | part |
| 1.4 | Planetary Gearset 4 parts | quadruped-robot-planetary-gearset | 1× | 3 | 8 | assembly |
| 1.4.1 | Sun Gear | quadruped-robot-sun-gear | 1× | 3 | · | part |
| 1.4.2 | Planet Gear | quadruped-robot-planet-gear | 3× | 9 | · | part |
| 1.4.3 | Ring Gear | quadruped-robot-ring-gear | 1× | 3 | · | part |
| 1.4.4 | Ball Bearing | ball-bearing | 3× | 9 | · | part |
| 1.5 | Motor Housing | motor-housing | 1× | 3 | · | part |
| 1.6 | Ball Bearing | ball-bearing | 2× | 6 | · | part |
| 1.7 | Encoder | encoder | 2× | 6 | · | part |
| 1.8 | Actuator Driver Board 5 parts | quadruped-robot-actuator-driver | 1× | 3 | 11 | assembly |
| 1.8.1 | Bare PCB | pcb-bare | 1× | 3 | · | part |
| 1.8.2 | Microcontroller | mcu | 1× | 3 | · | part |
| 1.8.3 | Power MOSFET | mosfet | 6× | 18 | · | part |
| 1.8.4 | SMD Passive (R/C/L) | smd-passives | 1× | 3 | · | part |
| 1.8.5 | Connector | connector | 2× | 6 | · | part |
| 2 | Upper Leg Link | quadruped-robot-upper-leg-link | 1× | 1 | · | part |
| 3 | Lower Leg Link | quadruped-robot-lower-leg-link | 1× | 1 | · | part |
| 4 | Knee Linkage | quadruped-robot-knee-linkage | 1× | 1 | · | part |
| 5 | Foot Assembly 3 parts | quadruped-robot-foot-assembly | 1× | 1 | 3 | assembly |
| 5.1 | Foot Pad | quadruped-robot-foot-pad | 1× | 1 | · | part |
| 5.2 | Foot Shell | quadruped-robot-foot-shell | 1× | 1 | · | part |
| 5.3 | Pressure Sensor | pressure-sensor | 1× | 1 | · | part |
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Where the leg module is used
1 product across 1 domain contain it, directly or inside a sub-assemblyUsed in 1 assembly
Sourcing: possible vendors
Browse the supplier directory → Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $0.50–$100. How estimates work| Vendor | HQ | Specialty | MOQ | Lead time |
|---|---|---|---|---|
|
🇨🇳Foxconn
foxconn.com ↗
|
Shenzhen, CN | Electronics contract mfg | 1,000 pcs | 6–10 wks |
| flex.com ↗ | Singapore | Electronics contract mfg | 1,000 pcs | 6–10 wks |
| dixoninfo.com ↗ | Noida, IN | Electronics contract mfg | 1,000 pcs | 6–10 wks |
| bydelectronic.com ↗ | Shenzhen, CN | Electronics contract mfg | 1,000 pcs | 6–10 wks |
| venture.com.sg ↗ | Singapore | Electronics contract mfg | 1,000 pcs | 6–10 wks |