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GPI Prototype has installed its third direct metal laser sintering (DMLS) machine from EOS. The additional EOSINT M270 joins M270 and M280 machines currently being used at GPI to build metal parts additively.
According to the company, DMLS offers many advantages over traditional tooling, including the ability to manufacture complex geometries and shapes not possible with CNC machining. Conformal cooling channels can also be integrated into designs to reduce injection molding cycle/lead times and lower costs.
GPI offers six material choices for DMLS, including stainless steel (GP1 & PH1), titanium (Ti64), cobalt chrome (MP1), maraging steel (MS1) and nickel alloy (IN718). The company is in the testing phase for aluminum and says it will be dedicating the EOSINT M280 machine to aluminum parts.
Editor PickCan Additive Manufacturing Increase Milling Feed Rates?
With PCD tooling, yes it can. The diamond cutting edges demand a large number flutes to realize their full effectiveness. Traditional methods for making cutter bodies limit the number of flutes, but 3D printing is delivering tools with higher flute density and other enhancements as well.