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Selective Laser Sintering (SLS)

Selective Laser Sintering (SLS) crafts durable and complex parts by fusing powder materials layer by layer with a laser, without molds.

Selective Laser Sintering (SLS)
Selective Laser Sintering (SLS)

What is SLS 3D printing?

Selective Laser Sintering (SLS) services harness the power of high-precision lasers to fuse small particles of polymer powder into solid structures, layer by layer. This versatile 3D printing technique excels in creating durable, complex parts without the need for support structures, allowing for more freedom in design. Ideal for both prototyping and small to medium production runs, SLS is widely utilized in industries such as aerospace, automotive, and consumer products. It produces parts that are robust, lightweight, and capable of withstanding functional testing. With our SLS services, customers benefit from rapid production capabilities, excellent material properties, and the flexibility to innovate without constraints.

Selective Laser Sintering (SLS) General Tolerances

Description Tolerance Notes
General Tolerances SLS Nylon 12 and variants are ±0.015″, or ±0.002″ per inch, whichever is greater.
SLS Nylon 11 and variants are ±0.020″, or ±0.003″ per inch, whichever is greater.
*Results are typical.
Build Area Build area up to 13″ x 13″ x 20″.
Glass-filled materials can extend up to 26″ x 15″ x 23″.
Minimum Feature Size 0.030″ or greater.
Standard Layer Thickness 0.0045″

Why Choose Selective Laser Sintering (SLS) with XC Machining?

Provides rapid prototyping and precision parts using advanced CNC technology, ensuring exceptional quality and precision. Trust Selective Laser Sintering (SLS) to meet your exacting standards.

Strong Manufacturing Capabilities

In our facility, you have a variety of machines for part production, including CNC turning lathes, milling machines, injection molding equipment, state-of-the-art 3D printing technology, and more.

Flexible Material Selection

At XC Machining, we try to ensure your choice is not limited, which is why we offer over 60 materials for you to choose from for your prototypes and products.

24/7 Engineering Support

In-depth service engineers with the knowledge to address your manufacturing inquiries are available from XC Machining. Our engineers are always on the ground to offer valuable advice.

Choice of Custom Finishes

We offer a range of surface treatments and custom finishes on solid metal and plastic parts, including anodizing, spray painting, vapor polishing, sandblasting, silk screening, etc.

Gallery of Selective Laser Sintering (SLS) parts

This gallery showcases the exceptional quality and attention to detail we deliver in every project. From complex designs to flawless finishes, each image reflects our commitment to excellence in Selective Laser Sintering (SLS) .

Materials for Selective Laser Sintering (SLS) Parts

Leading companies and engineers rely on XC Machining for rapid iterations and durable, high-quality parts. Whether it’s for prototyping or full-scale production, our wide range of materials ensures we meet the unique requirements of any Selective Laser Sintering (SLS) project with precision and speed.

3D Printing Plastic Materials

A wide range of 3D printing plastic materials from thermoplastics for functional parts to high detail resins (thermosets) for visual prototypes.

3D-printing-materials

Surface finishes for Selective Laser Sintering (SLS)

We offer finishing services for Selective Laser Sintering (SLS), providing a wide range of finishing options to enhance both the durability and appearance of your parts. Whether it’s for prototyping or full-scale production, our finishing solutions ensure that your parts meet the highest standards of performance and visual appeal for all needs.

Brushing is a technique that utilizes abrasive pads or brushes to add a finish to the surface of a material. It is commonly used on metal surfaces to enhance their visual appeal. This method is especially effective on stainless steel, creating either a linear or circular pattern on the surface.

Black oxide coating is a popular choice for enhancing the surface of steel and iron. This finish not only provides a visually appealing dark surface, but also offers excellent wear resistance. Additionally, the black oxide coating can enhance the lubricity and durability of the treated surface, making it an ideal option for various applications.

Passivation is a common process used to enhance the corrosion resistance of stainless steel by removing iron impurities and forming a protective oxide layer. This helps to improve the durability and performance of stainless steel in tough environments.

Paint serves as a surface coating that is effective on a wide range of materials, offering both aesthetic enhancement and protection against corrosion. It is available in numerous color options, making it suitable for application on metals, polymers, wood, and various other substrates.

Enhance the shine and smoothness of your materials by utilizing polishing techniques. By using abrasives such as buffing wheels or polishing chemicals, you can elevate the reflectivity and overall aesthetic of metals, resulting in a stunning mirror-like finish.

Alodine coating, also known as chromate conversion coating, is widely used on metals like aluminum. It serves as an excellent primer for paint or powder coatings, providing a durable and corrosion-resistant finish. By creating a thin layer of protection, it enhances the bond between subsequent coatings, ensuring long-lasting results.

3d-printed-prototypes

Specialist industries

Having produced millions of parts, XC Machining holds deep knowledge in numerous applications. We excel particularly in industries requiring precise and intricate component fabrication. Trust us to deliver expertise and quality, no matter the complexity.

XC Machining supports the automotive industry with cutting-edge CNC machining solutions, enabling the production of complex parts that drive efficiency

For the semiconductor industry, XC Machining offers CNC machining services that meet the high precision demands necessary for manufacturing components

Our CNC machining services are pivotal in the energy sector, where precision and durability are essential. XC Machining supports the

XC Machining is a trusted partner in the industrial machinery sector, offering CNC machining solutions that ensure the robust and

XC Machining delivers precision machining solutions for the electronics industry, producing intricate components that meet the exacting standards required for

XC Machining offers specialized CNC machining services for the communications industry, crafting precision parts that are vital for the infrastructure

Our Selective Laser Sintering (SLS) service capabilities

As a leader in precision manufacturing, we offer a wide range of capabilities that cater to both one-off prototyping and low-volume production. We specialize in delivering geometrically complex and highly cosmetic parts, ensuring the highest quality standards. At XC Machining, we pride ourselves on being the go-to manufacturer for all your Selective Laser Sintering (SLS) needs, providing reliable and efficient solutions under one roof.

On-Demand Parts Delivered Fast with 4 Simple Steps

Xcmachining develops rapid prototypes and parts with efficient manufacturing expertise and advanced equipment. We are a reliable on-demand production company and ensure our products meet exacting tolerance specifications and quality standards.

Step 1:

Upload the Design File

This is the first step in the manufacturing process. Here, you upload your 3D CAD to our backend. This file could be STEP, STP, STL, OBJ, X_T, SAT, IGS, IGES, or SLDPRT file types.
cnc machining quote

Step 2:

DFM Analysis

After uploading your design, our project managers will provide your feedback in the form of a real-time quotation. Additionally, you will get a quote and DFM analysis within a few hours.
cnc machining quote

Step 3:

Quote Confirmation and Manufacturing

As soon as you agree to our quote, our team will start working with you to bring your ideas to life. Additionally, we would provide you with a variety of surface finishing options.
cnc machining quote

Step 4:

Part Shipment

This is the final step in the production cycle; delivery. We produce your prototypes and parts within a few days. After part production, we deliver them directly to your doorstep.
cnc machining quote

Innovative Layers, Enduring Results with Selective Laser Sintering (SLS)

For those seeking an advanced solution for manufacturing durable, intricate, and functional parts, Selective Laser Sintering (SLS) offers a highly efficient and versatile option. At XC Machining, our SLS services deliver precision-engineered components, crafted to meet the diverse requirements of industries like automotive, energy, industrial machinery, electronics, and communications. Whether you’re creating prototypes or end-use parts, SLS allows for complex geometries, a wide range of material options, and quick production timelines without the need for expensive tooling.

Benefits of Selective Laser Sintering (SLS):

Complex Geometries Without Limitations:

One of the standout features of SLS is its capability to create highly complex geometries that would be difficult or impossible using traditional manufacturing. The SLS process builds parts layer by layer, allowing for intricate internal structures and detailed external features. This capability is ideal for applications where innovative design is required to enhance performance or reduce part count in assembly, such as in automotive or energy sectors.

Broad Range of Material Choices:

SLS supports a variety of engineering-grade materials, making it suitable for both functional prototypes and production components. At XC Machining, we provide a convenient selection process for materials, allowing you to choose the right material based on the performance needs of your project. Whether it’s impact resistance, heat resistance, or chemical stability, our experts can guide you to the best option for your specific requirements.

No Need for Tooling Costs:

Unlike traditional methods that require expensive molds or tooling, Selective Laser Sintering (SLS) allows for the creation of parts directly from digital files. This eliminates the need for upfront tooling investments, making it a cost-effective solution, especially for low-volume production or prototypes. This advantage also allows for quick iterations on design changes without incurring additional tooling costs, which can be particularly useful during the development phase.

Reduced Production Lead Times:

SLS is known for its rapid production capabilities, allowing for reduced lead times compared to other methods. At XC Machining, we leverage advanced CNC technology to ensure quick turnaround times, often delivering parts in as little as 24 hours. This speed is particularly valuable when deadlines are tight, allowing you to stay on schedule without compromising on quality.

Consistent Quality Across Production Runs:

When consistency is crucial, Selective Laser Sintering (SLS) delivers reliable results. The laser sintering process ensures that each part produced is nearly identical, making it suitable for both prototyping and small production runs. This consistency is key for industries like electronics or industrial machinery, where even small variations can affect performance. At XC Machining, we ensure that every part meets our rigorous quality standards, giving you confidence in the performance of your components.

Efficient Use of Material:

SLS is an additive process that uses powdered material, sintering only what is needed to form the part. This results in minimal waste, making SLS an environmentally friendly option compared to subtractive manufacturing methods. Our focus on material efficiency not only reduces costs but also supports sustainability initiatives, which is becoming increasingly important for many of our clients.

Freedom for Design Iteration:

With Selective Laser Sintering (SLS), making modifications to your design is straightforward and cost-effective. Unlike traditional processes that would require adjustments to molds or tooling, SLS allows you to modify digital files and produce new versions quickly. This flexibility makes SLS ideal for projects where designs are still evolving, enabling fast iteration and refinement to achieve the optimal solution.

Broad Application Across Industries:

The versatility of SLS allows us to serve a wide range of industries. From the automotive sector, where durable components are needed, to the energy industry requiring parts with high thermal resistance, SLS offers solutions that fit. Our clients also benefit from applications in electronics, where intricate designs and consistency are key, and in communications, where lightweight and durable parts are essential.

No Post-Processing Complexity:

Selective Laser Sintering (SLS) parts often require minimal post-processing, as the powder bed supports the parts during the build, reducing the need for support structures that must be removed later. This simplifies the workflow and reduces both the time and cost associated with post-processing. Additionally, XC Machining offers a variety of finishes to enhance both the functionality and aesthetics of your parts, providing you with a complete solution that meets all your project requirements.

Scalability for Production Needs:

Whether you need a single prototype or a batch of end-use parts, SLS offers scalability to meet your production requirements. For small runs or initial product launches, SLS provides a flexible and efficient way to produce parts without the need for expensive tooling or molds. At XC Machining, we combine SLS with our advanced CNC machining capabilities to offer a seamless transition from prototype to full-scale production when higher quantities are required.

Precision Tolerances for Critical Applications:

Achieving tight tolerances is essential for components that need to fit perfectly with other parts. Selective Laser Sintering (SLS), combined with XC Machining expertise, delivers precision tolerances between +/-0.001″ and 0.005″. This accuracy is vital for applications in industries like electronics and energy, where the smallest deviation can impact overall performance. Our commitment to delivering precise and consistent results helps ensure your project’s success.

XC Machining’s Selective Laser Sintering (SLS) services provide more than just parts; they offer a comprehensive solution for businesses needing versatile, reliable, and cost-effective manufacturing. From concept development to final production, we focus on quality, efficiency, and delivering results that exceed your expectations.

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Bring Your Designs to Life with XC Machining

Experience precision engineering with XC Machining. From detailed prototypes to high-volume production, we’re here to turn your concepts into reality. Contact us today to discuss your project needs!

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Frequently Asked Questions

Selective Laser Sintering (SLS)

  • What is SLS 3D printing?

    Selective Laser Sintering (SLS) is an additive manufacturing process that uses a high-powered laser to sinter powdered material into a solid structure. Layers of material, often nylon, are fused together without the need for support structures, making it ideal for complex geometries and durable functional parts.

  • What materials are used in SLS?

    SLS primarily uses thermoplastic polymers such as Nylon 12 and Nylon 11, known for their strength and flexibility. Other materials include composite powders with carbon or glass fillers, providing enhanced rigidity, heat resistance, and lightweight properties, depending on the application.

  • What post-processing is needed for SLS parts?

    Post-processing typically includes cooling the parts after printing, removing loose powder using compressed air or bead blasting, and optional steps like polishing or dyeing for improved aesthetics. Additional coatings can also be applied to enhance the part’s surface finish or functional properties, such as waterproofing.

  • How accurate is SLS printing?

    SLS offers high precision and accuracy, with tolerances typically around ±0.3 mm. The exact accuracy depends on part size, geometry, and material used. This level of precision ensures parts are dimensionally accurate and suitable for functional applications requiring tight tolerances.

  • Can SLS produce multiple parts in one build?

    Yes, SLS is well-suited for batch production. Parts can be densely packed within the printer's build volume, maximizing material efficiency and reducing production costs. This capability makes it ideal for small-batch manufacturing or producing multiple iterations of a design in a single build.

  • Is SLS suitable for end-use parts?

    Absolutely. SLS is widely used for manufacturing end-use components, particularly in low to medium production runs. The durability, flexibility, and precision of SLS-printed parts make them suitable for demanding applications, such as aerospace brackets, automotive components, and medical devices.

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