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Precision Casting Process Explained by xuanxuan geng
Active 1 day ago пользователь 1
Basic Information:
  • The Precision Casting process is highly standardized while remaining flexible for different product requirements.

    The entire process is designed around two core objectives: accurate replication and consistent quality.
    Wax pattern production is the starting point and one of the most critical steps.
    High-quality wax patterns must meet strict requirements for dimensional accuracy and surface finish.
    Even minor defects at this stage can be amplified during subsequent processes.
    For this reason, wax pattern manufacturing is typically accompanied by rigorous inspection procedures.
    After wax patterns are completed, proper assembly into trees is essential.
    The design of the wax tree directly affects metal flow, cooling behavior, and internal structure.
    An optimized tree design helps reduce shrinkage and internal defects.
    Shell building is a defining feature of precision casting.
    Multiple ceramic layers are applied to gradually form a shell with sufficient strength and heat resistance.
    Each coating and drying cycle must be carefully controlled.
    Dewaxing and shell firing are critical steps to ensure mold integrity.
    Dewaxing must be thorough, as any residue may affect metal filling.
    Shell firing enhances mold strength and improves surface quality of the final casting.
    During metal pouring, parameters such as temperature, pouring speed, and environmental conditions must be precisely controlled.
    Proper control results in dense microstructures and stable mechanical properties.

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