Modular Joint
AssemblySelf-contained joint integrating motor, reducer, dual encoders, torque sensor, brake, and drive. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Modular Joint parts and their functions
9 top-level parts · 153 parts in total · full bill of materials below| # | Part | Qty | What it does |
|---|---|---|---|
| 1 | Frameless Servo Motor 4 parts | 1× | Frameless servo motor |
| 2 | Harmonic Reducer 4 parts | 1× | Harmonic reducer |
| 3 | Motor-Side Encoder 2 parts | 1× | Motor-side encoder |
| 4 | Output-Side Encoder 2 parts | 1× | Output-side encoder |
| 5 | Joint Torque Sensor 3 parts | 1× | Joint torque sensor |
| 6 | Safety Brake | 1× | Safety brake |
| 7 | Joint Drive Board 5 parts | 1× | Integrated drive board |
| 8 | Joint Housing | 1× | Joint housing |
| 9 | Ball Bearing | 2× | Cross-roller output bearing |
3D model
No 3D model yet. Have a CAD file of this? Add a 3D model. STL renders right on this page; STEP, FreeCAD, and OpenSCAD sources are welcome too (openly licensed, like all 3D models on BOMwiki).
Build & assembly graph
expand / collapse · shared sub-assemblies converge · links to related products · est. labour
product / assembly
shared across products
atomic part
related product
Tap an assembly to expand/collapse · tap a part to open it · use “Open page” for any node · drag to pan, scroll to zoom.
Bill of materials for Modular Joint
9 top-level lines · 36 rows shown · 153 parts total · indented to 3 levels| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Frameless Servo Motor 4 parts | collaborative-robot-frameless-motor | 1× | 1 | 37 | 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 | 14× | 14 | · | part |
| 2 | Harmonic Reducer 4 parts | collaborative-robot-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 | collaborative-robot-wave-generator | 1× | 1 | · | part |
| 2.4 | Ball Bearing | ball-bearing | 2× | 2 | · | part |
| 3 | Motor-Side Encoder 2 parts | collaborative-robot-input-encoder | 1× | 1 | 3 | assembly |
| 3.1 | Hall Sensor | hall-sensor | 2× | 2 | · | part |
| 3.2 | Bare PCB | pcb-bare | 1× | 1 | · | part |
| 4 | Output-Side Encoder 2 parts | collaborative-robot-output-encoder | 1× | 1 | 3 | assembly |
| 4.1 | Hall Sensor | hall-sensor | 2× | 2 | · | part |
| 4.2 | Bare PCB | pcb-bare | 1× | 1 | · | part |
| 5 | Joint Torque Sensor 3 parts | collaborative-robot-torque-sensor | 1× | 1 | 6 | assembly |
| 5.1 | Torque Flexure | collaborative-robot-torque-flexure | 1× | 1 | · | part |
| 5.2 | Strain Gauge | collaborative-robot-strain-gauge | 4× | 4 | · | part |
| 5.3 | Bare PCB | pcb-bare | 1× | 1 | · | part |
| 6 | Safety Brake | collaborative-robot-brake | 1× | 1 | · | part |
| 7 | Joint Drive Board 5 parts | collaborative-robot-joint-drive | 1× | 1 | 95 | assembly |
| 7.1 | Bare PCB | pcb-bare | 1× | 1 | · | part |
| 7.2 | IGBT Power Module | igbt-module | 1× | 1 | · | part |
| 7.3 | Microcontroller | mcu | 1× | 1 | · | part |
| 7.4 | SMD Passive (R/C/L) | smd-passives | 90× | 90 | · | part |
| 7.5 | Connector | connector | 2× | 2 | · | part |
| 8 | Joint Housing | collaborative-robot-joint-housing | 1× | 1 | · | part |
| 9 | Ball Bearing | ball-bearing | 2× | 2 | · | part |
Something wrong in this list? Report a problem with this BOM.
Where the modular joint 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 |