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Precision Mould Clamps for Casting and Welding

Mould Clamps are heavy-duty iron fixtures engineered to secure welding moulds during aluminothermic welding. Featuring a robust 3-piece design, high-strength 45# steel construction, and enhanced leak prevention, they provide reliable structural support under extreme thermal and mechanical stress, ensuring safe, high-quality welds.

    Detailed Description of the Product

    • Application

      Mould clamps are specialized iron fixtures designed to secure and protect the welding mould during aluminothermic  Their core functions include:
      - Structural Support: Preventing the mould from deforming under the high thermal stress and pressure generated by molten iron.
      - Leak Prevention: Ensuring gap-free closure to avoid spillage of molten iron, which could compromise weld quality or pose safety hazards.
    • Material

      Primary Material: 45# steel casting (medium-carbon steel),With tensile strength of 600 MPa, it withstands the mechanical stress of clamping and thermal expansion during welding.
      Wear Resistance: Resists deformation from repeated clamping and contact with high-temperature moulds.
    • Detailed Description

      The 13.Ф13 Drilling Machine is a powerful and efficient tool designed to meet the needs of professionals in the railway industry. Whether for track maintenance or construction, this drilling machine offers precision and reliability in drilling holes into various types of rail models. With an optimal drilling range of Φ6-Φ13mm, it allows operators to perform accurate and quick drill operations on rail tracks.
    • Design Concept:  3-Piece vs. 2-Piece Structure

      The clamps feature a 3-piece design (bottom and two side pieces) for superior performance over traditional 2-piece 
      Enhanced Stability:
      Three-point clamping distributes pressure evenly around the mould, reducing the risk of misalignment or uneven gaps.
    • Key Specifications

      Weight: 11 kg (per set of three clamps).
      Thickness: 3mm.
      Surface Treatment: Often coated with anti-rust paint or zinc plating to extend lifespan in outdoor welding environments.
    • Operation

      Position the mould around the rail joint.
      Add the bottom clamp first, then attached the two side clamps securing them, ensuring all pieces are tightly fastened.
      Lifespan: With proper care, 45# steel clamps can be reused 200–500 times.
    • Advantages

      - Leak Prevention: Gap-free closure ensures molten iron stays securely within the mould, enhancing weld integrity and safety.
      - Enhanced Stability with 3-Piece Design: Even pressure distribution minimizes the risk of errors, misalignments, and structural failure during critical welding processes.
      - Corrosion Protection: Anti-rust coatings extend the operational life of the clamps even when exposed to outdoor environments.
      - Cost-Effective Reusability: Designed for extended use, reducing replacement frequency and lowering overall project costs.

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