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When is SLS used for Prototyping

Views: 66 Update date: Nov 18,2022

The SLS parts are made layer by layer from bottom to top with a computer-controlled laser beam and fuse fine white plastic powder. Each new layer merges into the layer below. If necessary, support structures are also printed to prevent overhang or other features from deforming during construction. After the part is manufactured, the support structure will be removed, the part cleaned, and any additional finishing processes applied.

 

SLS is accurate and can be used to 3D print parts for conceptual models, visual models for presentations, and functional prototypes for testing or usability trials. SLS parts benefit from high strength and stiffness, so they are often used to simulate components that will eventually be injection-molded.

 

SLS 3D Printing Materials

 

The most common material for SLS is nylon, a powerful engineering thermoplastic that can be used for functional prototyping and end-use production. Nylon is ideal for use in complex components and durable parts with high environmental stability

 

PA12

General purpose, multifunctional material with high detail and dimensional accuracy.

PA11

Ductile, strong, flexible materials when durability and performance are key function

PA12 GF

A glass-filled material with enhanced stiffness and thermal stability suitable for harsh industrial environments

PA11 GF

Use this highly stable, lightweight, high-performance material, making full use of nylon and carbon fiber.

 

Advantages of SLS Printing

Mechanical Properties

SLS fuses the polymer particles into a solid, so the layers are virtually imperceptible. Strength and durability are equal to (or better than) injection molded parts. SLS 3D printing uses industrial-grade materials, such as nylon infused with carbon fibre, to produce parts strong enough to be used in harsh conditions.

Design Opportunities

Another reason engineers turned to SLS 3D printing is that it can produce parts with complex designs that are not possible or practical with traditional manufacturing methods. Designers can combine complex components that normally require multiple parts into a single part.

Economical

Especially for small-batch spare parts, prototypes, and custom tools, on a per-part basis, SLS 3D printing is cheaper than traditional manufacturing methods because no tools or dies are required.




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