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Selective Laser Sintering (SLS) 3D Printing Service

Print your SLS parts with fast turnaround and wide variety of Nylon materials as fast as 2-3 days!

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STEP, STL, IGES, OBJ and more. We’ll route your part to the right process before production starts.

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Overview: How SLS 3D Printing Works?

The Basics of SLS 3D Printing:
Selective laser sintering (SLS) is an additive manufacturing technique that uses a laser as the power source to sinter powdered material (typically nylon or polyamide), aiming the laser automatically at points in space defined by a 3D model, binding the material together to create a solid structure. It is similar to selective laser melting; the two are instantiations of the same concept but differ in technical details.

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Why Choose SLS 3D Printing With Unionfab

Features of SLS 3D Printing

Durability

Nylon is a durable material with great impact strength, medium flexibility, and high resistance to environmental factors.

Parts Production

SLS is capable of producing end-use parts on-demand, increasing throughput.

Scalability

SLS can make a single part or component as easily as dozens of production pieces.

Material Limits

You can expect more SLS materials coming soon!

Rapid Turnaround

Parts can typically be shipped in 3-4 days, allowing for faster design iterations and speed to market.

Complex Geometry

Geometries can be built more easily due to the 3D printing process, adding complexity without additional cost.

Precision

We use the latest generation of SLS technologies to meet tolerances of +/- 0.010” or +/- 0.002” per inch, whichever is greater. Please see our Manufacturing Standards for more details.

Scale Effect

The unit cost and lead time will not be reduced as much as casted or molded parts.

SLS Design Guidelines

ParameterUSMetric
Max Part Size59 × 29 × 19 in1500 × 750 × 500 mm
 USMetric
Layer Thickness0.004 in.0.1016mm
 USMetric
Minimum Wall Thickness0.030 in.0.762mm

SLS Tolerances

±0.3% (with a lower limit of ±0.3 mm)
StandardBead blast to remove all powder, which leaves a consistent overall texture.
CustomSecondary options include a primer or dye color that can be applied as well as taps and inserts.

SLS Available Materials

TPU

As a strong, wear-resistant and elastic substance, TPU offers new application opportunities. Thanks to its convenient processing window and full recyclability of the powder cake, it is a natural choice for series production.

Process:SLS
Maximum Size:350x350x400mm
Colors:White/

Standard Resin

Nylon 12(White)

Rigid Resin has high hardness, smooth surface, detail expression, dimensional stability, strong chemical resistance and high-precision. Its products can be used in high-humidity environments.

Process:SLS
Maximum Size:380x380x420mm
Colors:White

Standard Resin

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Enhance user experience with Advanced Tabs, allowing seamless content navigation. Organize information efficiently while keeping the interface clean and interactive. Perfect for FAQs, product details, or multi-section content.

Enhance user experience with Advanced Tabs, allowing seamless content navigation. Organize information efficiently while keeping the interface clean and interactive. Perfect for FAQs, product details, or multi-section content.

Enhance user experience with Advanced Tabs, allowing seamless content navigation. Organize information efficiently while keeping the interface clean and interactive. Perfect for FAQs, product details, or multi-section content.

Enhance user experience with Advanced Tabs, allowing seamless content navigation. Organize information efficiently while keeping the interface clean and interactive. Perfect for FAQs, product details, or multi-section content.

Available Finishes

Default:

SLS parts are de-powdered with a sandblasting process and manual powder removal. Internal holes may be drilled to size if accessible. The finish is white matte (fine sugar-cube).

Other:

・Dyeing
・Vapor Smoothing
・Media Tumbled
・Nickel Plating
・Want to custom the finish you need? Request in the quoting tool, we’ll evaluate your finishes on a case-by-case basis.

SLS 3D Printing Applications

Prototypes

With SLS, the prototype can be made using nylon material with great functionality. Fast turnaround makes it a good choice for functional prototyping.

Customized Products

The speed and versatility of SLS let variable production of customized gifts/samples for different users become possible.

Batched Products

SLS can be applied to make high-quality small batched products from 1-10,000 units, ideal for small businesses that wishes to test the market’s reaction to thier newly developed products.

The Production Capacity of Unionfab

Production Machines
Process Name Numbers Process Size(mm) Detail
SLA Uniontech-LITE600HD 394 600*600*400 8 files
Uniontech-LITE800HD 139 800*800*550 4 files
Uniontech-G1400 4 1400*700*500 6 files
Uniontech-G1800 3 1800*900*600 3 files
Uniontech-G2100 1 2100*700*800 3 files
Uniontech-RS PRO450 5 450*450*350 3 files
Post-Process Machines
Process Name Numbers Process Size(mm) Detail
Sand-blasting Sand blasting machine 2 400*800*500 0 files
Anodized Anodizing equipment 2 800*2000*500 0 files
Polish Chemical polishing line 2 600*1200*400 0 files
Magnetic polishing machine 2 60*60*60 0 files
Painting Painting Line 2 1000*2000*1000 0 files
Electroplating Electroplating line 2 600*1800*500 0 files

SLS 3D Printing
for Various Industries

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Automotive

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Automotive

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Automotive

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Automotive

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Automotive

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Automotive

Ready to Start Your 3D Printing Project?

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