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Selective Laser Sintering

MXY Machining’s Selective Laser Sintering (SLS )services produce durable and intricate parts by fusing powdered materials layer by layer with precision laser technology without molds required.

Selective Laser Sintering (SLS )
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What is Selective Laser Sintering (SLS) 3D printing?

Selective laser sintering, also known as SLS printing, is an advanced additive manufacturing technology that enables the production of precise and long-lasting parts suitable for direct use in end-use applications, low-volume production, or rapid prototyping. SLS printing is a cost-effective solution for industrial 3D printing services as it allows for the bulk production of parts without the need for support structures. The primary materials used in SLS printing are nylon, which can be infused with different fillers to enhance their properties, ranging from rigid carbon-filled to flame retardant options.

Benefits of Selective Laser Sintering (SLS)

SLS stands out among powder-bed 3D printing methods because it doesn’t need support structures. The surrounding unfused powder holds every part in place during printing, so complex shapes like undercuts, internal channels, snap-fits, and multi-part assemblies can be printed as one piece, with no support marks to clean up afterward.

Parts also come out strong in every direction (X, Y, and Z), making them great for functional testing and load-bearing end-use parts. SLS works with a wide range of engineering plastics, including nylon, glass-filled nylon, and flexible TPU, producing parts with impact and chemical resistance close to injection-molded plastic. And since leftover powder can be reused, it also helps cut material waste and cost.

Benefits-Selective-Laser-Sintering-(SLS)

SLS General Tolerances

Our dimensional specifications align with standard SLS industry benchmarks for accuracy and repeatability. Typical tolerances are ±0.3% of nominal dimension, with a lower limit of ±0.3mm for smaller features. Minimum wall thickness is around 0.8mm, and fine details down to 0.5mm are achievable depending on part geometry and orientation.

Material
XY Plane Tolerance
Z Axis Tolerance
Minimum Wall Thickness

PA12 Nylon 12 

±0.3% or ±0.3 mm (whichever greater) 

±0.4% or ±0.4 mm (whichever greater) 

1.0 mm (0.8 mm minimum for non-load structures)

Glass-Filled PA12 

±0.35% or ±0.35 mm 

±0.45% or ±0.45 mm 

1.2 mm 

TPU Flexible Elastomer

±0.4% or ±0.4 mm

±0.5% or ±0.5 mm 

1.2 mm

SLS Service Capabilities

MXY Machining delivers end-to-end Selective Laser Sintering Service Capabilities (SLS) manufacturing, covering CAD design optimization, powder-bed laser sintering, post-processing, and secondary fabrication. Our SLS process produces strong, isotropic nylon parts without support structures, enabling complex geometries, interlocking assemblies, and thin-walled designs. From single prototypes to low-volume production, our engineers provide DFM guidance, material selection, and finishing options to help you move confidently to production-grade parts.

Material Portfolio

We supply industrial-grade Selective Laser Sintering(SLS) powders: PA12 nylon, glass-filled PA12, PA11, flexible TPU and ESD-safe static dissipative nylon materials suitable for functional components.

Selective-Laser-Sintering-(SLS)-Material-Portfolio

Printing & Production Scale

MXY Machining support one-off prototype builds, low-volume batches (1–500 units) and medium serial production runs. High-density nesting maximizes each build plate capacity for cost-efficient batch manufacturing.
Selective-Laser-Sintering-(SLS)-Printing-&-Production-Scale

Secondary Manufacturing

Light CNC tapping, hole reaming and precision trimming for tight-tolerance assembly points. Custom embossed/debossed marking, serialized OEM labeling and bespoke packaging. Turnkey assembly services include hardware insertion and adhesive bonding, delivering subassemblies ready for direct customer integration.
Selective-Laser-Sintering-(SLS)-Secondary-Manufacturing

Industry Application Support

We provide tailored engineering guidance for automotive, industrial machinery, consumer electronics, medical equipment and aerospace sectors. Typical output includes jigs, lightweight brackets, custom housings, functional snap-fit assemblies and on-demand replacement spare parts.
Selective-Laser-Sintering-(SLS)-Industry-Application-Support

Quality Assurance

Every order undergoes visual inspection and dimensional verification. CMM measurement reports can be provided for precision-critical projects. Our engineering team offers complimentary Design for Additive Manufacturing reviews to optimize CAD geometry, reduce print failure risks and improve part consistency before production.
Selective-Laser-Sintering-SLS -Quality-Assurance

Lead Time for Selective Laser Sintering (SLS) Service

MXY Machining offer flexible lead times tailored to your project schedule and urgency. All timelines start from full confirmation of design specifications, material approval, and order details. Every schedule already includes time for engineering review, precision machining, strict quality inspection, required surface treatments, and secure packaging. We also provide regular progress updates throughout production, and can arrange custom priority schedules for time‑sensitive projects.

Project Type
Scope & Finishing
Standard Turnaround

Rush Prototype 

Raw breakout + bead blast finish, single material 

3–4 business days 

Standard Prototype 

Basic finishing, PA12 nylon, 1–200 units 

4–6 business days 

Low-Volume Production 

Dyeing, tumble finishing or vapor smoothing 

6–8 business days 

Complex & Regulated Parts 

Secondary CNC machining, full inspection documentation 

Add 2–4 business days 

Selective Laser Sintering (SLS) Materials

MXY Machining work with a wide range of certified, traceable materials selected to match your performance, regulatory, and application requirements. Our engineers provide HP MJF services guidance to optimize your plastic and metal parts design for manufacturing. Contact us or upload a CAD file for material options, instant quotes, and custom production solutions.

CNC milling services supports a wide range of additional metals, plastics, and composites.
Visit our materials page for a full list.

Surface finishes for Selective Laser Sintering

We offer finishing services for Selective Laser Sintering, 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.

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.
Anodizing, a commonly used surface treatment for aluminum, creates a protective oxide layer on the metal’s surface. This not only enhances the durability and corrosion resistance of CNC machined parts but also adds to their visual appeal. Moreover, anodizing offers various options for coloring, making it an ideal choice for enhancing the overall aesthetic of the material.
Powder coating is an exceptional dry finishing method that utilizes electrostatic application of fine powder onto various surfaces. Once applied, the curing process takes place to guarantee a permanent treatment. With its remarkable ability to withstand impact, solvents, and UV radiation, powder coating provides an enduring and superior finish. From metals to polymers and even wood, there is a wide range of materials that can benefit from the protective coating of powder.

customized-3D-Printing-surface

Specialist industries

Having produced millions of parts, MXY 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.

Automotive Industry

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

Semiconductor feature

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

Energy Industry feature

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

Industrial Machinery feature

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

Electronics feature

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

Communications feature

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

Why Choose MXY Machining?

Global customers trust MXY Machining for reliable custom precision manufacturing solutions. We use certified raw materials and advanced automated equipment to deliver tight‑tolerance parts for both prototype and high‑volume orders. Our strict in‑house quality control system conducts full dimensional testing to guarantee consistent batch quality. Offering in‑house surface finishing and DFM design support, we cut extra outsourcing work. With responsive project management, transparent pricing and on‑time delivery, we serve automotive, electronics and industrial sectors worldwide.

Material Excellence

We use only the highest-grade materials, ensuring durability and performance in every sheet fabrication project.

Fabrication Precision

Our cutting-edge technology and machinery allow for precise, efficient, and cost-effective sheet fabrication solutions.

Design Adaptability

We offer extensive customization options to perfectly align with your project specifications and design requirements.

Ready to Elevate Your Project?

Bring Your Designs to Life with MXY Machining

Experience precision engineering with MXY 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!

Our Selective Laser Sintering 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 MXY Machining, we pride ourselves on being the go-to manufacturer for all your Selective Laser Sintering needs, providing reliable and efficient solutions under one roof.

Revolutionizing Manufacturing with Selective Laser Sintering (SLS) at MXY Machining

Selective Laser Sintering (SLS) is a cutting-edge 3D printing technology renowned for its ability to produce durable and highly detailed parts. At MXY Machining, we leverage SLS to deliver top-notch additive manufacturing solutions tailored to meet the diverse needs of industries. With its unmatched versatility and strength, SLS is the go-to choice for both prototypes and functional end-use components.

Understanding Selective Laser Sintering Technology

Selective Laser Sintering (SLS) is an advanced additive manufacturing process that uses a high-powered laser to fuse powdered materials layer by layer. This technique creates highly detailed and strong parts directly from CAD designs, offering a blend of precision and performance.

How SLS Works:

  1. A thin layer of powdered material is spread across the build platform.
  2. A laser selectively fuses the powder in specific areas based on the CAD design.
  3. The process repeats layer by layer until the entire part is formed.
  4. Excess powder supports the part during the build and is then removed during post-processing.

This process eliminates the need for support structures, making SLS ideal for complex geometries and intricate designs.

Unparalleled Advantages of Selective Laser Sintering

SLS offers a range of advantages that set it apart from other 3D printing methods. Here are the key benefits:

Exceptional Strength and Durability

SLS parts are known for their excellent mechanical properties, making them suitable for functional prototypes and end-use applications. The sintering process creates a strong, cohesive structure with isotropic properties.

Design Freedom

Selective Laser Sintering allows for complex geometries and intricate details that are difficult or impossible to achieve with traditional manufacturing methods. It excels at producing parts with internal channels, lattice structures, and interlocking components.

Material Versatility

Selective Laser Sintering is compatible with a wide range of powdered materials, including:

  • Nylon 12: Offers strength, flexibility, and chemical resistance.
  • Nylon 11: Ideal for impact-resistant applications.
  • Glass-Filled Nylon: Provides enhanced stiffness and thermal resistance.
  • TPU (Thermoplastic Polyurethane): Perfect for elastic and flexible parts.

Cost-Effective for Complex Parts

SLS eliminates the need for tooling and support structures, reducing production costs for complex and low-volume parts.

High Accuracy and Repeatability

With precise laser control, Selective Laser Sintering delivers consistent results with tight tolerances, ensuring the production of high-quality parts every time.

Applications of SLS

Selective Laser Sintering is revolutionizing industries with its ability to create robust, functional, and intricate components. At MXY Machining, we provide SLS solutions for a variety of applications, delivering reliability and precision across sectors:

Aerospace

  • High-strength, lightweight parts optimized for aerospace demands.
  • Prototyping and production of aerodynamic components and structural parts.
  • Engine components and custom fixtures for performance optimization.

Automotive

  • Durable prototypes for design iterations and rigorous performance tests.
  • Custom components for specialty vehicles and motorsports applications.
  • Production of heat-resistant parts for high-performance automotive systems.

Medical and Healthcare

  • Bespoke prosthetics and orthotics designed for personalized patient care.
  • High-precision surgical guides and diagnostic devices.
  • Functional prototypes for developing advanced medical equipment and solutions.

Consumer Goods

  • Unique product designs for high-quality consumer prototypes and limited-edition items.
  • Customized sporting goods, electronics, and personalized accessories.
  • Functional and aesthetic components for market-ready consumer products.

Industrial Manufacturing

  • Heavy-duty machinery components and tools designed for durability.
  • Chemical- and heat-resistant parts for extreme manufacturing environments.
  • Complex jigs, fixtures, and tooling solutions to improve efficiency and accuracy.

Why Partner with MXY Machining for SLS?

At MXY Machining, we take pride in providing industry-leading Selective Laser Sintering services designed to exceed your expectations. Here’s why clients choose us:

Cutting-Edge Technology

We utilize state-of-the-art Selective Laser Sintering machines to ensure precise, high-quality parts that meet your specifications.

Expert Team

Our experienced engineers collaborate with you to optimize your designs for selective laser sintering, ensuring exceptional results and efficiency.

Material Expertise

With a wide selection of powdered materials, we offer tailored solutions to meet the unique requirements of your application.

Quality You Can Trust

Every part undergoes rigorous quality control to ensure dimensional accuracy, mechanical performance, and overall excellence.

Flexible Solutions

From prototyping to low-volume production, we customize our selective laser sintering services to align with your project goals, budget, and timeline.

With SLS services from MXY Machining, you can unlock the potential of advanced manufacturing to bring your designs to life. Contact us today to learn more about our capabilities and start your next project!

Gallery of Selective Laser Sintering 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 .

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