High Stiffness Robotic Joint Unit
Product Description
Designed for high-precision and high-load deformation control applications, we independently develop the High Stiffness Robotic Joint Unit, a high-rigidity robotic joint module featuring reinforced high-permeability silicon steel stator cores and an integrated strengthened housing structure. The enhanced mechanical rigidity effectively minimizes deformation and vibration during long-term heavy-load operation, ensuring micron-level repeat positioning accuracy for precision robotic systems.

Established in 1987, we are a source manufacturer with a 16,000㎡ standardized production facility equipped with precision stator lamination equipment, automated aging test systems, and advanced inspection equipment. A professional team of 125 R&D engineers, production specialists, and quality inspectors manages every manufacturing stage. Our independent R&D team continuously improves the rigid transmission structure of the High Stiffness Robotic Joint Unit. With a stable monthly production capacity of 30,000 units, every joint module undergoes strict rigidity deformation testing and torque inspection before shipment. Our products are widely supplied to global CNC equipment manufacturers and precision robotics companies.
The High Stiffness Robotic Joint Unit integrates a high-rigidity harmonic reducer and high-power servo drive. The peak torque can reach 3.5 times the rated torque, providing excellent overload capability. Supporting 48V DC and 220V AC voltage options, it is suitable for heavy-duty precision automation systems. All products include an 18-month warranty covering major rigid transmission components.
Before purchase, our engineering team provides remote support for precision equipment integration, high-power electrical selection, and high-speed communication protocol debugging. Standard High Stiffness Robotic Joint Unit products can be delivered within 7–14 days, while customized high-rigidity samples require 15–45 days. The MOQ starts from 50 units, with mixed torque models available in one order. Production progress, rigidity testing videos, and inspection records can be provided throughout manufacturing. Third-party precision inspection is supported. Export packaging includes moisture-proof reinforced cartons, with fumigation-free wooden cases available for large-size modules. International cargo insurance is provided to reduce transportation risks.
Specifications
|
Parameter |
Standard Specification |
|
Product Model |
High Stiffness Robotic Joint Unit 80/110/130 Series |
|
Rigidity Grade |
Ultra-high stiffness reinforced shell & stator structure |
|
Rated Continuous Torque |
20–95Nm |
|
Rated Voltage |
48V DC / 220V AC |
|
Deformation Accuracy |
≤0.001mm under full rated load |
|
Communication Bus |
High-speed EtherCAT industrial bus |
Applications
- High-precision six-axis CNC robotic arms
- Semiconductor wafer handling robots
- Optical inspection automation equipment
- New energy battery precision assembly robots
- Heavy-duty precision rotary tables
- High-accuracy 3C inspection fixtures
- Medical surgical assistant robotic arms

Customization Capability
We provide ODM customization services for the High Stiffness Robotic Joint Unit, including:
- Customized rigidity grade, torque output, and cooling structure
- Housing reinforcement optimization based on customer equipment drawings
- Prototype development within 15–45 days
- Mixed model MOQ starting from 50 units
- Optional liquid cooling solutions for continuous high-load operation
- Customized high-precision drive system development
Packaging & Shipping
- Reinforced export cartons for standard products
- Fumigation-free wooden cases for large high-rigidity modules
- Hard foam protection to prevent deformation during transportation
- International cargo insurance coverage
- Supported trade terms: EXW, FOB, DDP
- Payment currency: USD
- Standard orders: 30% deposit, balance before shipment
- Customized modules: 50% deposit, balance against bill of lading copy
FAQ
Q: 1. Do you conduct 100% inspection for all High Stiffness Robotic Joint Units before delivery?
A: Yes. Our QC team performs complete inspection on every joint module before packing and shipment.
Q: 2. What trade terms do you support for overseas robotic joint buyers?
A: We support EXW, FOB, and DDP international trade terms.
Q: 3. How long does customized high stiffness robotic joint development take?
A: Customized sample development usually requires 15–45 working days depending on technical requirements.
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