Description
Sealing Design Harmonic Robot Joint Module for Underwater Operation Special Robot
The joint module achieves highly optimized volume and weight through fully integrated components, including a harmonic reducer, frameless torque motor, brake, encoder, and driver, enabling precise motion control with greater torque output, higher accuracy, a more compact size, and a lighter weight. We also provide customized solutions to meet specific requirements for personalized applications and special operating environments, with the most common customizations being waterproof versions (resistant to water splashes, sprays, or underwater operation up to 1 meter depth) and low-temperature adaptations. This waterproof joint module is specifically designed for special robots operating underwater, developed as an enhanced version of our standard joint module with dedicated improvements to address waterproofing challenges in robotic joints.
Core Components
- Environmental Adaptability: For low-temperature customization, we use cryogenic lubricants and circuit board protections to support operation from -40°C to 65°C, withstanding humidity, high salinity, dust, and underwater conditions.
- Long-Term Reliability: Self-adaptive sealing requires zero maintenance for 6,000 hours; stainless steel housing significantly delays corrosion.
- Performance Stability: Sealing prevents liquid-induced short circuits or bearing wear, ensuring consistent torque output.
- Compact & Lightweight: Direct-drive integration reduces external transmission parts, lowering underwater motion resistance.
Features
- Sealing System: Junction Sealing: Multi-layer sealing with gaskets and adhesive, combined with protective components, blocks liquid intrusion at structural joints.
- Dynamic Sealing: Dual-layer dynamic seals between the output component and housing effectively prevent liquid ingress.
- Precision Contact Surfaces: Sealing surface roughness controlled to Ra0.1–Ra0.8, paired with oil films for micron-level sealing.
- Protective Housing: Stainless Steel Shell: Corrosion-resistant and mechanically robust, suitable for harsh environments like seawater.
- IP67 Rating: Critical areas reinforced with protective components to block dust and liquids.
- Integrated Drive: Frameless motors directly coupled with harmonic reducers minimize exposed transmission parts, reducing overall size.
Specifications
| Category | Specific Features |
| Sealing Innovation | Ultra-precise sealing surfaces + oil-film dual barrier. |
| Material Process | Stainless steel housing for corrosion resistance; thermal silicone aids heat dissipation to prevent seal damage from expansion. |
| Circuit Protection | Integrated ESD and TVS modules prevent failures in humid environments. |
Additional information
| Dimensions | 4.92 × 4.92 × 7.09 in |
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