Direct Metal Laser Sintering (DMLS) | Injection Molding

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Prototype and Production Tooling


Company Background

Based outside of Chicago, GPI Prototype is a service provider of Direct Metal Laser Sintering (DMLS), the latest technology in rapid prototype and direct digital manufacturing services. As one of the first DMLS service providers in the country, GPI produces metal parts for applications ranging from prototypes to production. DMLS technology is ideal for a variety of applications including the creation of conformal cooling channels within tools and tooling inserts, as well as customized medical implants. We strive to consistently exceed the expectations of our customers
Process Overview 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, automatically, without tooling. The parts 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 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, the lead time for receiving a traditionally tooled part can create a large bottleneck in the final production process. DMLS produces parts that are extremely high quality, and can be built in a matter of hours or days rather than weeks. This ability to generate functional metal prototypes in short order radically impacts design processes, accelerating design cycles with time to market by creating the opportunity for multiple redesigns and builds.
Capabilities & Delivery 3D printing, RTV tooling, Stereolithography (SLA), Selective Laser Sintering (SLS) and Fused Deposition Modeling (FDM).  Selective Laser Sintering, Color 3D Printing, Fused Deposition Modeling, Urethane Casting (RTV), Investment Casting, Tooling, Injection Molding, CNC Machining,Reverse Engineering, Laser Scanning, Finishing, Contract Manufacturing. Custom Packaging, Laser Welding. These technologies build directly from CAD data, and are ideal for low-volume production of metal, plastic and urethane components, resulting in significant time and cost savings. 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
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