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Impossible statue: Future of Machining
A combination of different AI programs resulted in a 3D mesh model. “The mesh consisted of nine million polygons with no density. We had to convert this into a solid model that our CAD and CAM programs could work with,” says Henrik Loikkanen, Machining Process Developer at Sandvik Coromant who together with Jakob Pettersson, CAM & Machining Specialist, led the team of Sandvik machining experts that carried out the work. After the conversion was achieved, the team started programming the CNC machines using MasterCam® software. “Originally we planned to make it in one piece,” says Pettersson. “But we realized that the size made it impossible. We had to adapt the parts to fit our CNC machines, so we sectioned the model into 17 components. Each of these had to be designed and programmed, along with the interfaces between them.”When the Impossible Statue was ready for manufacturing, Vericut®, a Sandvik proprietary machining simulation and optimization software ensured safe, reliable, and efficient tooling and machining processes. Not a single part of the statue had to be scrapped and remade throughout the process as they had been digitally perfected before the start of machining. The actual machining was made using a wide range of Sandvik Coromant tools for turning, milling, and drilling.
“The complexity meant that verification was a necessity,” says Henrik Loikkanen, Machining Process Developer at Sandvik Coromant who together with Jakob Pettersson, CAM & Machining Specialist, led the team of Sandvik machining experts that carried out the work. “There is a lot of trial and error and that is done digitally, prior to machining. Simulation ensured that we could reach the features we wanted when manufacturing the statue and that there would be no collisions.”
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