Arm Linkage Assembly
Five-joint exoskeleton linkage aligned with the patient’s shoulder, elbow, and wrist axes. 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 · 30 rows shown · 162 parts total · indented to 3 levels| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Shoulder Gimbal 3 parts | rehabilitation-robot-arm-shoulder-gimbal | 1× | 1 | 93 | assembly |
| 1.1 | Series-Elastic Joint Drive 5 parts | rehabilitation-robot-arm-joint-drive | 3× | 3 | 29 | assembly |
| 1.1.1 | Servo Motor 4 parts + deeper › | servo-motor | 1× | 3 | 24 | assembly |
| 1.1.2 | Helical Gear Pair | gear-pair | 1× | 3 | — | part |
| 1.1.3 | Torsion Spring Element | rehabilitation-robot-arm-torsion-spring | 1× | 3 | — | part |
| 1.1.4 | Encoder | encoder | 2× | 6 | — | part |
| 1.1.5 | Gearbox Housing | gearbox-housing | 1× | 3 | — | part |
| 1.2 | Gimbal Ring | rehabilitation-robot-arm-gimbal-ring | 2× | 2 | — | part |
| 1.3 | Ball Bearing | ball-bearing | 4× | 4 | — | part |
| 2 | Upper-Arm Link | rehabilitation-robot-arm-upper-link | 1× | 1 | — | part |
| 3 | Elbow Joint 3 parts | rehabilitation-robot-arm-elbow-joint | 1× | 1 | 33 | assembly |
| 3.1 | Series-Elastic Joint Drive 5 parts | rehabilitation-robot-arm-joint-drive | 1× | 1 | 29 | assembly |
| 3.1.1 | Servo Motor 4 parts + deeper › | servo-motor | 1× | 1 | 24 | assembly |
| 3.1.2 | Helical Gear Pair | gear-pair | 1× | 1 | — | part |
| 3.1.3 | Torsion Spring Element | rehabilitation-robot-arm-torsion-spring | 1× | 1 | — | part |
| 3.1.4 | Encoder | encoder | 2× | 2 | — | part |
| 3.1.5 | Gearbox Housing | gearbox-housing | 1× | 1 | — | part |
| 3.2 | Range-of-Motion Stop | rehabilitation-robot-arm-range-stop | 2× | 2 | — | part |
| 3.3 | Ball Bearing | ball-bearing | 2× | 2 | — | part |
| 4 | Forearm Link | rehabilitation-robot-arm-forearm-link | 1× | 1 | — | part |
| 5 | Wrist Module 3 parts | rehabilitation-robot-arm-wrist-module | 1× | 1 | 32 | assembly |
| 5.1 | Series-Elastic Joint Drive 5 parts | rehabilitation-robot-arm-joint-drive | 1× | 1 | 29 | assembly |
| 5.1.1 | Servo Motor 4 parts + deeper › | servo-motor | 1× | 1 | 24 | assembly |
| 5.1.2 | Helical Gear Pair | gear-pair | 1× | 1 | — | part |
| 5.1.3 | Torsion Spring Element | rehabilitation-robot-arm-torsion-spring | 1× | 1 | — | part |
| 5.1.4 | Encoder | encoder | 2× | 2 | — | part |
| 5.1.5 | Gearbox Housing | gearbox-housing | 1× | 1 | — | part |
| 5.2 | Rotation Ring | rehabilitation-robot-arm-rotation-ring | 1× | 1 | — | part |
| 5.3 | Ball Bearing | ball-bearing | 2× | 2 | — | part |
| 6 | Gravity Compensation Spring | rehabilitation-robot-arm-gravity-spring | 2× | 2 | — | part |
Used in 1 assembly
Sourcing — likely vendors
Companies that make this · indicative price $0.50–$100 · MOQ & lead are typical| 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 |