Powder Bed Fusion Service

3D Printing Service

Powder Bed Fusion Service Provides Flexible 3D Printing Technology Across Plastics and Metals

3Diligent's powder bed fusion service offers the broadest range of 3D printing technologies (DMLS, EBM, DLM, SLM, LaserCUSING, SLS, MJF) and materials enabling us to consistently deliver outstanding quality parts. 3Diligent's ability to leverage supply partners with particular expertise in certain materials and build dimensions ensures we can deliver you unmatched value. Submit an RFQ through the ProdEX secure portal to see for yourself.

Powder Bed Fusion Service Process Overview

The powder bed fusion service relies on selectively melting powdered material—commonly nylon or a range of metals—in a powder bed before re-layering and repeating. This melting may be executed by a number of different energy sources, usually laser, electron beam, or a chemical reaction induced by a heat lamp. Powder bed fusion, and additive-manufacturing process, is exceptional at producing overhangs and downward-facing surfaces, especially with plastic, where support structures are not needed. On the downside, the temperatures created by the energy source introduce exceptional heat into the part that may cause warpage or undesirable stress concentration. Parts must sometimes be oriented in counter-intuitive ways during the manufacturing step to reduce heat concentration. This means your design might not necessarily print with Z or Y direction pointed up. Parts produced tend to be quite strong and relatively anisotropic, but with a grainy surface finish, which can be addressed through post-processing techniques such as sanding and polishing.

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3Diligent has supported hundreds of companies in providing digital-manufacturing solutions for their most challenging project needs.

If you're interested in experiencing the power of our digital-manufacturing solutions firsthand, submit an RFQ through our secure portal or send an email detailing a few of the specifics of your project and we'll be in touch.

Powder Bed Fusion Service at a Glance

3Diligent example technologies: powder bed fusion
  • Standard Tolerance
    0.005" (0.125mm)
  • Stock Surface Finish
    300-450 µin Ra
  • Lead Time
    2 – 10 Business Days
  • Maximum Size
    14"×14"×15" (350mm × 350mm × 380mm)
  • Minimum Layer Thickness
    .001" (.025mm)
  • Minimum Feature Size
    .005" (0.125mm)
  • Minimum Wall Thickness
    0.04" (1mm)
Advantages
Durable Parts. Sintered thermoplastic parts can withstand moderate wear with relative isotropy. Metal printed parts are stronger than cast parts.
Material Selection. Choose from more than 20 materials with a range of properties.
Intricate Geometries. Loose powder provides support to printed features above, allowing for geometries otherwise impossible.
As-built Assemblies. Observing the minimum clearance, SLS can produce multi-part assemblies in a single run.
Limitations
Tall, Unsupported Structures. Relayering operation can damage tall features that are not properly supported.
Surface Finish. Abrasive stock finish requires post-processing to smooth.
Hollow Cavities. Internal hollow cavities need to be perforated to drain unused material.

More Information: Related Pages

More Information: 3Diligent Blog

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