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Trailer Axle Seat Precision Casting

Trailer Spare Part
December 29, 2025
Category Connection: Trailer Spare Part
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#5000KG Cargo Lashing Belt #Polyester Ratchet Tie Down Strap #10m Ratchet Tie Down Strap
Brief: See how this offering can bring practical value to common tasks and projects. In this video, we showcase the ZG230-450 Trailer Bottom Axle Spring Seat, demonstrating its precision casting process, key technical standards, and detailed construction. You'll get an inside look at the product's quality control, from hardness testing to defect inspection, and see how it integrates into American type suspension systems.
Related Product Features:
  • Precision casting ensures high dimensional accuracy with a draft angle of ≤ 2° and fillets from R2 to R5.
  • Casting hardness is maintained between HB 120-165 for reliable strength and durability.
  • Free from defects such as cracks, air holes, slag inclusions, and looseness for consistent performance.
  • Designed for American type trailer suspension systems as a bottom axle and leaf spring seat.
  • Surface is treated with an anti-rust primer to protect against corrosion and extend service life.
  • Bottom surface flatness is guaranteed, with machining allowed where necessary to maintain specifications.
  • Engineered to support heavy-duty applications in trailer axle assemblies.
  • Comprehensive technical drawings and specifications ensure easy integration and replacement.
FAQs:
  • What is the hardness specification for the ZG230-450 Trailer Bottom Axle Spring Seat?
    The casting hardness is specified between HB 120-165, ensuring the part has the necessary strength and wear resistance for heavy-duty trailer applications.
  • How is the quality of the casting ensured to prevent defects?
    The castings are rigorously inspected to be free from cracks, air holes, slag inclusions, and looseness, adhering to strict quality control standards for reliability.
  • What type of surface treatment does this axle spring seat have?
    The entire surface of the casting is coated with an anti-rust primer, providing protection against corrosion and enhancing the longevity of the part in various environmental conditions.
  • Is any machining required for the bottom surface of the axle seat?
    If the flatness of the bottom surface cannot be guaranteed as-cast, it is machined to meet specifications, and the processed surface is permitted to have black skin.
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