The Robotic Additive Manufacturing (RAM) systems from EnvisionTEC and Viridis3D is the fastest, most flexible robotic 3D printing solution, specifically designed for metal casting in foundries. This futuristic technology can be used to 3D print sand molds, mold cores, and investment casting patterns, for all kinds of foundry applications. The EnvisionTEC Viridis 3D printer cuts down on the costs and time associated with creating castings compared to traditional methods.
- 28” wide printhead for RAM 123 and 224 (featuring 12 print heads)
- 38” wide printhead for RAM 236 and 336 (featuring 16 print heads)
- Attached to robust ABB robotics and controls
- Cartesian movement
- Base sand: Silica sands, GFN Oklahoma and Wedron
- Sand GFN65, round or subangular
- Modified Furan binder
- Dry acid-based catalyst (premixed)
- Speed: 1 ½ – 2 ½ vertical inches per hour
- System repeatability: 0.030μ
- Layers: 200μ – 500μ
- Accuracy +/- 0.010”
- Compatability: ferrous and nonferrous sand casting
- Strength (ambient dry): 175 psi
- Strength (oven baked 350° F) > 370 psi
The Viridis3D Story
The Robotic Additive Manufacturing System is essentially an automated 3D printer. It uses a proprietary print head attached on an ABB robotic arm that uses exclusive binder jetting technology to quickly create sand molds, mold cores, and investment casting patterns. The proprietary systems include easy to use Viriprint software that controls the system and uses a CAD file to print a mold and core in just a few hours.
EnvisionTEC Viridis 3D printer offers a wide range of print head, and build size options. The RAM 123 prints pieces up to 1′ x 2′ x 3′ to give highly accurate mold and core, with a RAM 224 you can now print large parts of 2′ x 2′ x 4′, RAM 236 is competent to print mold cores or casting models up to 2′ x 3′ x 6′, and finally, RAM 336 to churn parts (3′ x 3′ x 6′). The whole EnvisionTEC Viridis 3D printing system works out of the box. Once installed and calibrated, no further programming is required.
Foundries will appreciate the unprecedented speed in terms of both, manufacturing of parts as well as the time it will take to transition from older technology and get the new robotic 3D printing system up and running. What’s more, Robotic Additive Manufacturing technology uses less sand than previous sand casting methods which will help the metal casting industries to cut the cost drastically. Thus, the Viridis 3D system offers a substantially less expensive solution to foundries.
This new patent technology will also change the way molds and casting patterns are produced and distributed. Rather than having to create casts on a large scale in remote locations and shipping around the world, industries can simply ship the raw materials and the 3D design files to their foundries for production. It makes casting a fast and easily accessible process.
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