BOMwiki

Leg Assembly

Sourcing — likely vendors

Real suppliers (🇮🇳 🇸🇬 🇨🇳); price, MOQ & lead time are estimates
VendorHQSpecialtyEst. unit priceMOQLead 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 Corp
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.

Build & assembly graph

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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 1 151 assembly
1.1 Frameless BLDC Motor 5 parts humanoid-robot-frameless-motor 1 50 assembly
1.1.1 Stator Assembly 3 parts + deeper › stator-assembly 1 3 assembly
1.1.2 Rotor Assembly 4 parts + deeper › rotor-assembly 1 19 assembly
1.1.3 Neodymium Magnet neodymium-magnet 24× 24 part
1.1.4 Copper Winding copper-winding 1 part
1.1.5 Hall Sensor hall-sensor 3 part
1.2 Planetary Reducer 3 parts humanoid-robot-planetary-reducer 1 4 assembly
1.2.1 Helical Gear Pair gear-pair 1 part
1.2.2 Ring Gear humanoid-robot-ring-gear 1 part
1.2.3 Ball Bearing ball-bearing 2 part
1.3 Encoder encoder 2 part
1.4 Gate Driver Board 3 parts gate-driver-board 1 87 assembly
1.4.1 Bare PCB pcb-bare 1 part
1.4.2 Gate Driver IC gate-driver-ic 6 part
1.4.3 SMD Passive (R/C/L) smd-passives 80× 80 part
1.5 Power MOSFET mosfet 6 part
1.6 Ball Bearing ball-bearing 2 part
2 Knee Actuator 6 parts humanoid-robot-knee-actuator 1 151 assembly
2.1 Frameless BLDC Motor 5 parts humanoid-robot-frameless-motor 1 50 assembly
2.1.1 Stator Assembly 3 parts + deeper › stator-assembly 1 3 assembly
2.1.2 Rotor Assembly 4 parts + deeper › rotor-assembly 1 19 assembly
2.1.3 Neodymium Magnet neodymium-magnet 24× 24 part
2.1.4 Copper Winding copper-winding 1 part
2.1.5 Hall Sensor hall-sensor 3 part
2.2 Harmonic Reducer 4 parts humanoid-robot-harmonic-reducer 1 4 assembly
2.2.1 Wave Generator humanoid-robot-wave-generator 1 part
2.2.2 Flexspline humanoid-robot-flexspline 1 part
2.2.3 Circular Spline humanoid-robot-circular-spline 1 part
2.2.4 Ball Bearing ball-bearing 1 part
2.3 Encoder encoder 2 part
2.4 Gate Driver Board 3 parts gate-driver-board 1 87 assembly
2.4.1 Bare PCB pcb-bare 1 part
2.4.2 Gate Driver IC gate-driver-ic 6 part
2.4.3 SMD Passive (R/C/L) smd-passives 80× 80 part
2.5 Power MOSFET mosfet 6 part
2.6 Ball Bearing ball-bearing 2 part
3 Ankle Actuator 6 parts humanoid-robot-ankle-actuator 1 151 assembly
3.1 Frameless BLDC Motor 5 parts humanoid-robot-frameless-motor 1 50 assembly
3.1.1 Stator Assembly 3 parts + deeper › stator-assembly 1 3 assembly
3.1.2 Rotor Assembly 4 parts + deeper › rotor-assembly 1 19 assembly
3.1.3 Neodymium Magnet neodymium-magnet 24× 24 part
3.1.4 Copper Winding copper-winding 1 part
3.1.5 Hall Sensor hall-sensor 3 part
3.2 Harmonic Reducer 4 parts humanoid-robot-harmonic-reducer 1 4 assembly
3.2.1 Wave Generator humanoid-robot-wave-generator 1 part
3.2.2 Flexspline humanoid-robot-flexspline 1 part
3.2.3 Circular Spline humanoid-robot-circular-spline 1 part
3.2.4 Ball Bearing ball-bearing 1 part
3.3 Encoder encoder 2 part
3.4 Gate Driver Board 3 parts gate-driver-board 1 87 assembly
3.4.1 Bare PCB pcb-bare 1 part
3.4.2 Gate Driver IC gate-driver-ic 6 part
3.4.3 SMD Passive (R/C/L) smd-passives 80× 80 part
3.5 Power MOSFET mosfet 6 part
3.6 Ball Bearing ball-bearing 2 part
4 Leg Link humanoid-robot-leg-link 2 part
5 Fastener Set fastener-set 1 part

Used in 1 assembly