Servo Joint Module

Assembly

Stator Winding of a BLDC Motor.jpg · Commons ↗ Report photo

Standard rotary axis: motor, reducer, brake, dual feedback, and bearing in one module.

Direct parts	6
Total parts	71
Used in	4 assemblies
Class	Assembly

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Standard rotary axis: motor, reducer, brake, dual feedback, and bearing in one module. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Servo Joint Module parts and their functions

6 top-level parts · 71 parts in total · full bill of materials below

Servo Joint Module parts diagram: 1 servo motor, 2 RV reducer, 3 holding brake, 4 motor-side encoder, 5 output-side encoder, 6 ball bearing. 71 parts in 6 top-level items. — Servo Joint Module parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.

#	Part	Qty	What it does
1	Servo Motor 4 parts	1×	Brushless motor with an integrated encoder or resolver, driven in closed loop to hold commanded position, speed, or torque precisely.
2	RV Reducer 4 parts	1×	Cycloidal reducer giving high stiffness and reduction at each axis.
3	Holding Brake	1×	Spring-applied brake holding the axis when de-energised.
4	Motor-Side Encoder 2 parts	1×	Motor-side
5	Output-Side Encoder 2 parts	1×	Output-side
6	Ball Bearing	2×	Deep-groove radial ball bearing.

3D model

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Build & assembly graph

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Bill of materials for Servo Joint Module

6 top-level lines · 25 rows shown · 71 parts total · indented to 3 levels

#	Item / sub-assembly	Part no.	Qty/assy	Ext. qty	Parts	Type
1	Servo Motor 4 parts	servo-motor	1×	1	24	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	Encoder	encoder	1×	1	·	part
1.4	Motor Housing	motor-housing	1×	1	·	part
2	RV Reducer 4 parts	seven-axis-robot-reducer	1×	1	6	assembly
2.1	Gearbox Housing	gearbox-housing	1×	1	·	part
2.2	Cycloidal Disc	seven-axis-robot-cycloid-disc	2×	2	·	part
2.3	Eccentric Cam	seven-axis-robot-eccentric-cam	1×	1	·	part
2.4	Ball Bearing	ball-bearing	2×	2	·	part
3	Holding Brake	seven-axis-robot-brake	1×	1	·	part
4	Motor-Side Encoder 2 parts	seven-axis-robot-motor-encoder	1×	1	19	assembly
4.1	Bare PCB	pcb-bare	1×	1	·	part
4.2	SMD Passive (R/C/L)	smd-passives	18×	18	·	part
5	Output-Side Encoder 2 parts	seven-axis-robot-output-encoder	1×	1	19	assembly
5.1	Bare PCB	pcb-bare	1×	1	·	part
5.2	SMD Passive (R/C/L)	smd-passives	18×	18	·	part
6	Ball Bearing	ball-bearing	2×	2	·	part

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Where the servo joint module is used

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

Robotics & Automation 1 Seven-Axis Industrial Robot

Used in 4 assemblies

Base Joint Shoulder Section Redundant Elbow Three-Axis Wrist

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 $2–$500. How estimates work

Vendor	HQ	Specialty	MOQ	Lead time
🇨🇳Inovance inovance.com ↗	Shenzhen, CN	Drives & motion control	500 units	10–14 wks
🇮🇳Sona Comstar sonacomstar.com ↗	Gurugram, IN	EV driveline & motors	500 units	10–14 wks
🇨🇳Broad-Ocean broad-ocean.com ↗	Zhongshan, CN	Electric motors	500 units	10–14 wks
🇸🇬Nidec (Singapore) nidec.com ↗	Singapore	Motors, regional ops	500 units	10–14 wks
🇮🇳Bosch India bosch.in ↗	Bengaluru, IN	Automotive components	500 units	10–14 wks