Products
Robot Joint Module Main Body
Product Description
The Robot Joint Module Main Body serves as the structural backbone of the entire joint actuator, absorbing extreme torsional stress and dynamic loads during high-speed robot movements. We machine each Robot Joint Module Main Body from high-tensile aircraft-grade alloys and structural steels to ensure maximum rigidity and prevent resonance. Our GF Mikron 5-axis machining centers allow us to process all critical mounting faces and bearing bores in a single setup, achieving a superior concentricity of under 5 microns. This precise alignment prevents premature bearing wear and eliminates joint backlash, which is a major pain point in precision robotic applications.
For overseas distributors and automated system integrators, the structural stability of the Robot Joint Module Main Body is paramount to minimizing field failures. We apply a strict thermal stress-relief annealing process to the Robot Joint Module Main Body before fine machining to eliminate internal stresses and prevent long-term dimensional distortion. Adhering to IATF 16949 automotive-grade manufacturing rigor, we perform strict non-destructive testing (NDT) to ensure zero internal micro-cracks. Sourcing this critical Robot Joint Module Main Body directly from our factory ensures your supply chain is backed by consistent quality, complete material certification, and exceptional mechanical performance.
Product Specifications
Material: AL7075-T6, 40Cr Steel, Titanium Alloy TC4
Bearing Bore Tolerance: H6/H7 (up to ±0.003 mm)
Parallelism / Perpendicularity: ≤ 0.005 mm
Surface Roughness (Bore): Ra 0.2 μm
Stress Relief: Thermal annealing prior to final precision machining
Application Fields
- Industrial Robot Arms: Heavy-duty structural frames for delta, SCARA, and articulated robots.
- Humanoid Robotics: High-rigidity hip, knee, and ankle joint core frames.
- AGV / AMR Drive Wheels: Heavy-load bearing brackets and main structural mounts.
Customization Capabilities
Our factory excels in processing complex, multi-sided structural components based on customer-provided drawings. Our engineering team, supported by over 20 professor-level senior engineers, utilizes advanced CAD/CAM software to optimize cutting paths. We provide custom machining options for integrated sensor mounts, bearing seats, and specialized wiring pathways with a fast sample turnaround of 7 to 45 working days.
Packaging & Shipping
Rust Prevention:
Deep application of professional rust-preventive oil and sealed in vapor-corrosion inhibitor (VCI) bags.
Cushioning:
Custom-carved high-density EVA foam compartments inside thick wooden cases.
External Protection:
Export-standard plywood crates to withstand sea and air freight vibrations.
Commercial Terms:
Standard EXW or FOB Nanjing/Shanghai, with flexible commercial support for large-volume freight logistics.
FAQ
How do you prevent the main body from distorting over years of continuous high-load operations?
We apply a strict thermal stress-relief annealing process after rough machining. This eliminates any residual internal stresses in the metal, ensuring the part maintains its geometric dimensions permanently.
What is the maximum diameter bore your 5-axis machining centers can process with high tolerance?
Our GF Mikron and DMG MORI 5-axis machines can process bores up to 350mm with an accuracy of H6 (within ±0.005mm).
Do you provide material chemical composition certificates with the shipment?
Yes, we provide full material traceability reports, including the original mill certificate and chemical composition test sheets, with every shipment.
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