DMLS - Direct Metal Laser Sintering

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Updated on Apr 7, 2020

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GPI Prototype is a service provider of Direct Metal Laser Sintering (DMLS), also commonly known as metal 3d printing or selective laser melting (SLM). As one of the first DMLS rapid prototyping service providers in the USA, GPI produces metal parts for applications ranging from prototypes to production manufacturing. DMLS technology is ideal for a variety of applications including the creation of conformal cooling channels for injection molding tooling, mold inserts, heat exchangers, implants, jewelry, rocket engines, turbine blades, and any other parts that are difficult to create using CNC machining.

Utilizing the DMLS process, metal parts of the most complex geometries are built layer-by-layer (down to 20 microns) directly from 3D CAD data by selectively melting layers of metal powder on top of each other with a laser. Parts built using a DMLS printer have excellent mechanical properties equivalent to wrought materials, high detail resolution, and exceptional surface quality. The metal powder is melted entirely to create a fully dense, fine, homogenous structure. Unique geometric freedom of design enables DMLS to form cavities and undercuts, which with conventional machining methods, can only be produced with great difficulty, if at all.

Additionally, when a part needs to be tested and re-designed over and over in the prototyping process, the lead time for receiving a traditionally tooled part can create a large bottleneck in the final production process. DMLS technology produces parts that are extremely high quality and can be built in a matter of hours or days rather than weeks. 3D printing functional metal prototypes and rapid tooling in short order radically impacts design processes, accelerating design cycles and time to market.eos m270 machines

Depending on size and geometries, in some cases the turnaround time for a part can be as little as a few hours. Furthermore, these parts can undergo functional testing in the environment for which they were designed. This technology delivers unlimited potential for engineers to create previously impossible solutions, embracing a new era of design-driven manufacturing.

We offer a variety of metals including aluminum, stainless steel, titanium, inconel and cobalt chrome at our Lake Bluff, Illinois facility. We have six DMLS machines from EOS including two EOSINT M 270 machines, two EOSINT M 280 machines, and two EOSINT M 290 machines.

We service all major industries including medical, industrial, aerospace, government, military, automotive, and consumer goods. To ensure the highest quality parts, GPI is pleased to be ISO 9001:2015, ISO 13485:2003, and AS9100D certified as well as ITAR and FDA registered.
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