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Three-Axis Wrist

Assembly

Compact wrist supplying pitch, yaw, and roll of the tool flange. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Three-Axis Wrist parts and their functions

4 top-level parts · 250 parts in total · full bill of materials below
Three-Axis Wrist parts diagram: 1 servo joint module, 2 wrist housing, 3 tool flange, 4 helical gear pair. 250 parts in 4 top-level items.
Three-Axis Wrist parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Servo Joint Module 6 parts 3× J5, J6, J7
2 Wrist Housing 1×
3 Tool Flange 2 parts 1× End flange with a tool I/O connector for grippers and process tools.
4 Helical Gear Pair 2× Two meshing helical gears forming one reduction stage that steps torque up and speed down between parallel shafts with quiet, continuous tooth contact.

3D model

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Build & assembly graph

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Bill of materials for Three-Axis Wrist

4 top-level lines · 27 rows shown · 250 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Servo Joint Module 6 parts seven-axis-robot-joint 3× 3 71 assembly
1.1 Servo Motor 4 parts servo-motor 1× 3 24 assembly
1.1.1 Stator Assembly 3 parts + deeper › stator-assembly 1× 3 3 assembly
1.1.2 Rotor Assembly 4 parts + deeper › rotor-assembly 1× 3 19 assembly
1.1.3 Encoder encoder 1× 3 · part
1.1.4 Motor Housing motor-housing 1× 3 · part
1.2 RV Reducer 4 parts seven-axis-robot-reducer 1× 3 6 assembly
1.2.1 Gearbox Housing gearbox-housing 1× 3 · part
1.2.2 Cycloidal Disc seven-axis-robot-cycloid-disc 2× 6 · part
1.2.3 Eccentric Cam seven-axis-robot-eccentric-cam 1× 3 · part
1.2.4 Ball Bearing ball-bearing 2× 6 · part
1.3 Holding Brake seven-axis-robot-brake 1× 3 · part
1.4 Motor-Side Encoder 2 parts seven-axis-robot-motor-encoder 1× 3 19 assembly
1.4.1 Bare PCB pcb-bare 1× 3 · part
1.4.2 SMD Passive (R/C/L) smd-passives 18× 54 · part
1.5 Output-Side Encoder 2 parts seven-axis-robot-output-encoder 1× 3 19 assembly
1.5.1 Bare PCB pcb-bare 1× 3 · part
1.5.2 SMD Passive (R/C/L) smd-passives 18× 54 · part
1.6 Ball Bearing ball-bearing 2× 6 · part
2 Wrist Housing seven-axis-robot-wrist-housing 1× 1 · part
3 Tool Flange 2 parts seven-axis-robot-tool-flange 1× 1 34 assembly
3.1 Flange Plate seven-axis-robot-flange-plate 1× 1 · part
3.2 Tool I/O Board 3 parts seven-axis-robot-tool-io 1× 1 33 assembly
3.2.1 Bare PCB pcb-bare 1× 1 · part
3.2.2 Connector connector 2× 2 · part
3.2.3 SMD Passive (R/C/L) smd-passives 30× 30 · part
4 Helical Gear Pair gear-pair 2× 2 · part

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Where the three-axis wrist is used

1 product across 1 domain contain it, directly or inside a sub-assembly

Used 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
VendorHQSpecialtyMOQLead 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 Corp
venture.com.sg ↗
Singapore Electronics contract mfg 1,000 pcs 6–10 wks