We can produce castings with a flat surface that are equal to or better than those made with die casting.
Here is an introduction to the manufacturing process of "gypsum casting." The characteristic casting surface and precision can be achieved by using gypsum for the mold and silicone rubber for the inverted mold. The highly fluid gypsum slurry (gypsum dissolved in water) can fill every corner without deforming the easily deformable silicone rubber mold. When removing the gypsum mold from the silicone rubber mold, the stretching of the silicone rubber allows for the production of the gypsum mold even with a zero draft angle. Additionally, by using fine-particle gypsum, it is possible to create castings with a flat casting surface that rival or exceed those of metal castings. 【Manufacturing Process】 1. Master model production 2. Mold frame installation ⇒ Pouring silicone rubber ⇒ Curing 3. Primary mold completion 4. Mold frame installation ⇒ Pouring silicone rubber ⇒ Curing 5. Secondary mold completion 6. Mold frame installation ⇒ Pouring gypsum slurry ⇒ Curing 7. Mold assembly ⇒ Drying ⇒ Completion 8. Casting 9. Mold breakdown ⇒ Finishing 10. Casting completion *For more details, please refer to the PDF document or feel free to contact us.
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Newtech Co., Ltd. is a company that conducts casting prototypes and injection molding prototypes using three methods: gypsum casting suitable for die-cast prototypes, lost-wax casting that can produce small quantities of prototype castings with short lead times, and 6 nylon injection molding that can produce nylon resin parts using silicone rubber molds. We respond to requests such as, "I want to reduce casting production costs without making molds or wooden patterns for small-scale casting prototypes" and "I want to create prototype castings that are close in precision and surface finish to die-cast products." Please feel free to contact us.