Capabilities

Learn more about our materials, finishing services and production options.

3d Printed structure with ovular cells

Cut material costs and reinvent how you design products.

Additive manufacturing doesn’t only reduce material needs by as much as 70%. It also eliminates the timeline and production constraints of traditional methods.

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  1. Overview
  2. Additive
    Manufacturing
  3. Cast
    Urethane
  4. CNC
    Machining
  5. Injection
    Molding
  6. Materials

Additive Manufacturing

Additive Manufacturing, also referred to as 3D printing, refers to a variety of processes which can construct a part of nearly any geometry by depositing raw material one layer at a time. This makes Additive Manufacturing ideal for one-off parts, prototyping, and low-volume production. The huge variety of technologies we offer ensures that whatever the challenge, Fast Radius has a process to meet your needs.

Carbon DLS

Carbon’s Digital Light Synthesis (DLS) technology is a process that uses digital light projection, oxygen permeable optics and tunable liquid resins to produce parts with excellent mechanical properties, resolution and surface finish. A photochemical process carefully balances light and oxygen to shape and produce parts with isotropic material properties. It works by projecting light through an oxygen-permeable window into a reservoir of UV-curable resin. As a sequence of UV images are projected, the part solidifies and the build platform rises. Once a part is printed, it is baked in a forced-convection oven. Heat sets off a secondary chemical reaction that gives parts their ultimate mechanical properties.
Benefits
  • Wide range of production-grade materials
  • Excellent surface finish
  • Nearly isotropic parts
Challenges
  • May require design optimization to account for supports
  • Ideal for parts that fit in the palm of your hand; larger parts can be challenging
Tolerance (Elastomers)
  • (X, Y): +/- 0.300 mm (+/- 0.012″)
  • (Z): +/- 0.400 mm (+/- 0.015″)  or  +/-  0.16% (whichever greater)
Tolerance (Rigid)
  • (X, Y): +/- 0.300 mm (+/- 0.012″)
  • (Z):  +/- 0.300 mm (+/- 0.012″)  or  +/- 0.16% (whichever greater)

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HP MJF

As one of the first production partners of HP’s Multi-Jet Fusion (MJF) technology, we deliver quick-turn prototypes all the way up to repeatable, production-grade manufacturing for end-use parts. We are continually driving innovations in post-processing for HP MJF parts, including unique coloring options, chrome plating and premium surface finishes. We currently offer HP’s PA 12 material, a versatile thermoplastic for high-density parts. PA 12 has excellent chemical resistance and is ideal for complex assemblies, housings, enclosures, and watertight applications. We have a robust roadmap of materials for the HP MJF technology. Please contact us to learn more about additional materials currently in development.
Benefits
  • No support optimization required
  • High-density, low porosity parts
  • Strong chemical resistance
Challenges
  • Limited materials library
  • Natural surface finish is good, but requires significant post-processing to get smooth, injection molding-like surface finish
Tolerance (all materials)
  • (X, Y): +/- 0.300 mm (+/- 0.012″) or 100 mm +/-0.3%
  • (Z):  +/- 0.400 mm (+/- 0.015″) or  > 100 mm +/- 0.4%

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FDM

FDM (Fused Deposition Modeling) is a type additive manufacturing that uses a heated nozzle to melt and extrude thermoplastics. While following a toolpath, it extrudes one layer at a time until the final part is created. This method usually has short lead times and creates cost effective parts. Thanks to a variety of material choices and finishing options, FDM is ideal for creating everything from quick prototypes to final parts.
Benefits
  • Cost Effective
  • Quick
  • Design Freedom
  • Engineering Plastics
Challenges
  • Non-uniform Strength
  • Porous
Tolerance (all materials)
  • (X, Y): +/- 0.300 mm (+/- 0.012″)  or  > +/- 0.100 mm (+/- 0.04″) inch over inch
  • (Z): 3x layer height

 

MATERIAL TECH SPEC SHEETS:

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SLA

SLA (Stereolithography) uses a laser to create parts in a pool of UV curable resin by selectively solidifying the desired layer on an inverted platform. The laser can be focused very finely, so this method can produce an exceptional surface finish, but at a lower strength than parts made with FDM. It should be considered during the design phase of any project utilizing SLA that any parts made with this process will be broken down by UV light over time. SLA is ideal for producing high-resolution parts with a limited lifetime and mechanical loads.
Benefits
  • Excellent resolution
  • Great surface finish
Challenges
  • Limited strength
  • UV degrades parts over time
APPLICABLE MATERIALS:

Accura 25, Accura Xtreme, Accura 60, Accura ABS Black, Somos® NeXt, Somos® PerFORM, Somos® ProtoGen 18420, Somos® WaterShed XC 11122

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SLS

Selective Laser Sintering (SLS) operates by using a high-powered laser to sinter the surface of a powder bed in a two-dimensional pattern, then applying another layer of powder to build up the part in the vertical direction. It has the ability to be used with a wide variety of materials and can produce fairly good resolution and surface finish. The strength is better than SLA, but slightly worse than traditional manufacturing methods. SLS is ideal for producing parts with a good surface finish that must still bear a mechanical load.
Benefits
  • Good surface finish
  • Uniform strength
  • Strong
Challenges
  • Porous
  • Low speed
APPLICABLE MATERIALS:

Nylon 12 PA, Nylon 12 GF

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PolyJet

PolyJet is a process that sprays a layer of UV-curable resin onto a gel matrix, which is dissolved when manufacturing has been completed. This method can have an extremely low layer thickness, producing some of the best surface finishes available in 3D printing, but has lower strength than other processes. Unlike SLA, different regions of a part made with PolyJet can have varying colors or mechanical properties if the printer has the capability. Parts made with PolyJet are susceptible to the same degradation as SLA over their lifetimes; this makes PolyJet appropriate for making parts where the only requirement is the highest possible resolution, with strength and longevity secondary.
Benefits
  • Excellent surface finish
  • High resolution
  • Can print in multiple colors and materials
Challenges
  • Low strength
  • Parts have UV sensitivity
APPLICABLE MATERIALS:

VeroWhitePlus, Digital ABS RGD5160-DM, VeroBlue, VeroGray, VeroClear, FullCure RGD720, RGD450, PolyJet Flex & Over-Mold, PolyJet TangoPlus

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DMLS

Direct Metal Laser Sintering (DMLS) is similar to SLS but uses metal powders as the raw material. This places it in the eclectic category of additive manufacturing methods which can produce metallic products with tensile strength comparable to CNC machining. This is the process to choose if your project requires metal parts which geometries or economics prohibit CNC Manufacturing.
Benefits
  • Strength
  • Excellent mechanical properties
  • Good surface finish
  • High strain to failure compared to CNC machining
Challenges
  • Lower bending strength compared to CNC machined parts
  • Highest cost of listed methods
APPLICABLE MATERIALS:

Stainless Steel 17-4 PH, Stainless Steel 316L, Aluminum AlSi10Mg, Inconel 625, Inconel 718, Titanium Ti64, Cobalt Chrome CoCrMo

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Below is a quick reference for comparing each of the additive manufacturing processes.

PROCESS PRICE STRENGTH SURFACE FINISH FUNCTIONAL TESTING
Carbon DLS Low High Excellent Production-ready
HP MJF Low Moderate-High Moderate-High Production-ready
FDM Low-Moderate Low Rough-Good Limited
SLA Moderate Low Excellent Limited
SLS Moderate Moderate Good Limited
POLYJET Moderate Low Excellent Unsuitable
DMLS High High Moderate-Excellent Production-ready