3D SAND PRINTING
Molds and Foundry Cores: Tradition and Innovation Meet
Cor.Sa 3D, specializing in additive manufacturing, utilizes several ExOne S-Max Furan Binder Jetting systems for 3D printing and the production of sand molds and cores for foundries. This system enables the creation of sand cores and molds suitable for a wide range of foundry materials, including aluminum, non-ferrous alloys, steels, cast irons, and even magnesium, directly from 3D CAD files. By eliminating the need for models and milling operations, it significantly reduces both time and costs.
Cor.Sa 3D manages each project from start to finish, overseeing every phase from design (3D CAD file) to the final production of sand molds. Using the sand casting method, it produces complex shapes, molds, and cores with undercuts or cavities, effectively addressing common production challenges.
From Project to Object
An example of a multi-impression sand casting. From 3D CAD file to cast part.
S-Max of ExOne for the Additive Manufacturing of Molds and Foundry Cores
Cor.Sa 3D utilizes the ExOne Binder Jetting S-Max and S-Max Pro Furan additive systems, designed for the additive production of foundry sand cores and molds. With a build volume of 1800 x 1000 x 700 mm, these systems enable the creation of large parts, small batches, or repeat production with quick turnaround times and competitive pricing. The system allows unbonded sand to support the mold structure during production; once the cycle is complete, this sand is extracted and reintegrated into the system for reuse. In the sand casting process, Cor.Sa 3D employs specialty mold sands bound with furan resin.
Complex Sand Molds
Cor.Sa 3D is able to create foundry sand molds and cores with complex shapes. Thanks to the technologies used, additive manufacturing is very simplified: the specific does not need drafts, resulting in keeping the molds more faithful to the original designs.
Multi-Cavity Molds
Cor.Sa 3D is able to create multi-cavity small-sized foundry sand molds, thus optimizing time and cost of the additive manufacturing. In fact, the technologies used allow for the design of a casting system optimized to correctly feed every detail to merge.
Additive Sand Casting Manufacturing Process
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