Choosing the Right Ball‑Joint Specification for Your Space Structure

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 Selecting the correct ball‑joint system is critical for performance, precision, and longevity of your space structure. Here’s a practical guide to help you make the best choice:

 What Ball Joints Do

  • Prefabricated steel spheres with threaded holes

  • Connect multiple structural members via high‑strength bolts

  • Allow for modular assembly and precise alignment

 Key Specification Considerations

  1. Load Capacity

    • Choose rated joints based on your building’s span and live loads.

  2. Bolt Size & Material

    • Typically use M20–M30 high-tensile bolts; ensure corrosion protection.

  3. Tolerance & Alignment

    • Tight machining ensures less field rework and improved aesthetics.

  4. Replaceability

    • Standardized joints allow for replacement if damaged or during retrofits.

  5. Finish & Corrosion Resistance

    • Opt for hot-dip galvanizing or duplex treatment in harsh environments.

 Need help selecting the right system?
 Download our joint spec checklist + analysis tables

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