Integrated Robot Joint Unit
Product Description
Established in 1987, Hangzhou Zhongda is a professional motion control motor manufacturer integrating R&D, production, and global export services. We independently develop and manufacture the Integrated Robot Joint Unit, an all-in-one robotic joint solution integrating frameless torque motors, harmonic reducers, servo drives, and high-precision encoders.
Compared with traditional multi-component assembly solutions, this integrated structure reduces component procurement complexity and assembly workload, significantly shortening the development cycle of automation equipment and robotic systems.

Our 16,000㎡ standardized production facility is equipped with fully automated winding, embedding, assembly, and inspection equipment. With 125 professional employees and an independent R&D team, we continuously optimize the control system and mechanical structure of the Integrated Robot Joint Unit.
With a stable monthly production capacity of 30,000 units, we provide long-term supply support for global industrial automation companies and robotic equipment manufacturers.
The Integrated Robot Joint Unit covers a wide range of sizes from 40mm to 170mm, with torque options from 0.5Nm to 320Nm. Every unit undergoes 100% inspection, including withstand voltage testing, torque testing, and positioning accuracy verification before shipment.
The product supports 24V/48V DC operation and is compatible with CANopen and EtherCAT communication protocols. Each unit includes an 18-month warranty.
We provide remote technical support covering equipment integration, electrical drive selection, and communication protocol matching. Standard products can be delivered within 7-14 days, while customized samples require 15-45 days.
A minimum order quantity of 50 units is available, with mixed torque models supported in one order. Production progress photos and videos can be provided throughout manufacturing, and third-party inspection is supported before shipment.
Specifications
|
Parameter |
Standard Specification |
|
Product Model |
Integrated Robot Joint Unit 40~170mm Series |
|
Rated Torque |
0.5~320Nm Available |
|
Standard Voltage |
24V / 48V DC |
|
Integrated Components |
Frameless Motor + Harmonic Reducer + Servo Drive + Dual Encoder |
|
Communication Protocol |
CANopen / EtherCAT Compatible |
|
Brake System |
Optional Power-off Holding Brake |
Applications
- Six-axis industrial robotic arms
- Collaborative robots
- Humanoid robots
- AGV rotary joints
- Intelligent warehouse sorting robots
- Medical surgical assistant robots
- Automated grinding and polishing robots

Customization
We provide complete OEM/ODM customization services for Integrated Robot Joint Unit products.
Customization options include:
- Outer diameter adjustment
- Torque customization
- Gear ratio optimization
- Cable outlet design
- Brake configuration
- Communication protocol development
Based on customers' drawings or physical prototypes, we can develop dedicated robotic joint solutions.
Customized sample development takes 15-45 days. A 50-unit MOQ supports mixed specifications and models.
Customer logo branding and OEM production are also available.
Packaging & Shipping
Small-size joint units are packed with individual foam protection and export cartons.
High-torque models are reinforced with fumigation-free wooden cases for international transportation.
All shipments are covered by international cargo insurance.
Supported trade terms:
- EXW
- FOB
- DDP
Payment currency: USD.
Standard orders require 30% advance payment. Customized modules require 50% advance payment, with the remaining balance paid against the bill of lading copy.
FAQ
Q: 1. What is your monthly production capacity of Integrated Robot Joint Unit?
A: Our monthly production capacity reaches 30,000 motor and robotic joint units.
Q: 2. Do you comply with international environmental protection requirements?
A: Yes. Our factory strictly follows applicable environmental protection standards for export manufacturing.
Q: 3. Can you provide production photos and videos during manufacturing?
A: Yes. We provide real-time production photos and videos throughout the manufacturing process for customers' orders.
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