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Shenzhen Demeng Toy Design Development Co.,Ltd focus on making custom designer toys.

Bronze Casting Sculptures and the Crafting Process 1
Bronze Casting Sculptures and the Crafting Process 2
Bronze Casting Sculptures and the Crafting Process 3
Bronze Casting Sculptures and the Crafting Process 4
Bronze Casting Sculptures and the Crafting Process 5
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Bronze Casting Sculptures and the Crafting Process 7
Bronze Casting Sculptures and the Crafting Process 1
Bronze Casting Sculptures and the Crafting Process 2
Bronze Casting Sculptures and the Crafting Process 3
Bronze Casting Sculptures and the Crafting Process 4
Bronze Casting Sculptures and the Crafting Process 5
Bronze Casting Sculptures and the Crafting Process 6
Bronze Casting Sculptures and the Crafting Process 7

Bronze Casting Sculptures and the Crafting Process

The production of bronze casting sculptures typically begins with clay sculpture creation, followed by the production of the negative mold, which is then turned into the positive mold. This process is essentially a material conversion, shifting from pliable clay to gypsum, fiberglass, or other materials used for shaping. The subsequent steps take place at specialized casting factories. Each bronze casting sculpture undergoes at least eight complex and meticulous procedures, blending traditional craftsmanship with modern precision casting techniques.

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    Step One: Crafting the Clay Prototype

    The precursor to every sculpture requires a clay prototype, the outcome of meticulous sculpting by an artist. The success of the clay model greatly influences the final product's quality. The model embodies the sculptor's creativity, expressing intent and form, and forms the foundation for the subsequent production stages.

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    Step Two: Building the Base

    After covering the model with a layer of clay, the sculptor uses a wooden mallet to consolidate and fill any air gaps within the clay. Regular adjustments and refinements are made until the desired form is achieved. This phase requires the expertise of a professional sculptor. To prevent cracking, the sculpture needs constant moisture; plastic film covers maintain the required humidity until the clay mold is complete.

    Step Three: Prototyping with Clay

    Creating a silicone mold based on the finished clay model produces a wax embryo. This prototype mirrors the actual product's shape, formed by injecting heated and melted wax into the silicone mold.

     

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    Step Four: Sculpting and Review

    The large sculpture is completed, and the client is involved in reviewing and suggesting modifications. Continuous refinements and meticulous adjustments are made to achieve perfection. The entire structure undergoes comprehensive polishing. The clay prototype undergoes further refinement, a crucial stage that directly impacts the product's future appearance and surface effect.

    Step Five: Mold Making

    The clay sculpture is divided into sections for the mold, coated with soap water for protection. Specialized technicians apply gypsum slurry on the sculpture, varying the water content for the different layers. After the gypsum hardens, the mold is removed, employing gypsum stakes as handles.

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    Step Six: Mold Treatment

    After removing residual clay from the divided mold sections, meticulous refinement and grinding of the gypsum mold take place. Subsequently, metal copper mesh is used for polishing.

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    Step Seven: Casting
    The hollow ceramic shell from the previous step undergoes sintering at temperatures between 1000℃ to 1150℃, allowing molten copper to fill the shell. After cooling, the outer shell is broken, revealing the bronze product's rough cast.
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    Step Eight: Refinement of Cast Components
    The cast bronze product undergoes sandblasting, cleaning, cutting, grinding, heat treatment, shaping, machining, and polishing for subsequent processing.
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    Step Nine: Surface Treatment and Protection
    Surface treatment of cast bronze varies between cold and hot coloring. Afterward, wax protection and polishing complete the surface treatment process.
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