Fused Deposition Modeling vs Selective Laser Sintering Watertightness Test
Will It Leak, or Won’t It?
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We use the most advanced industrial FDM 3D printers designed to meet tolerances of +/- 0.004” or +/- 0.002” per inch, whichever is greater.
FDM printed parts are available in a variety of high-performance plastics for applications that require resistance to the elements.
Xometry can produce FDM parts with large build volumes up to 24″ x 36″ x 36″
FDM parts do not require tooling which reduces the manufacturing lead time from weeks to days, allowing for faster innovation and speed to market.
Geometries that are too complex or costly for CNC machining can be printed easily, allowing you to add complexity without additional cost.
FDM is capable of producing end-use parts on-demand, increasing throughput and helping you get to market faster.
FDM parts are built with support material that is removed during post-processing. The part surfaces are left with fine layer lines.
Xometry can provide additional processing (i.e. painting or sanding) to meet your needs. For examples of our additional finishes, please refer to the FDM section of our photo gallery.
The speed and versatility of FDM lets engineers create physical snapshots of their designs.
FDM can be used to create durable prototypes that withstand thermal, chemical, and mechanical stress.
High-performance materials make FDM ideal for producing jigs, fixtures, and production tooling.
Fused Deposition Modeling (FDM) is a 3D printing technology widely known for its speed, accuracy, and competitive cost. FDM parts are very rigid, especially compared to Selective Laser Sintering (SLS), which makes them a great fit for projects with a rigidity requirement.
FDM is an additive manufacturing process where a machine precisely extrudes melted plastic filament to create a part.
Producing parts in FDM is broken up into 3 steps: pre-processing, production, and post-processing.
Pre-Processing: Printer software slices 3D CAD file into layers. For each slice, the software converts the data into machine code (also known as G-Code) that determines tool paths for the machine to follow.
Production: An extruder head melts and extrudes liquefied plastic filament along the tool path layer by layer until the part is completed bottom-up.
Post-Processing: The support material (if required for the print) is removed by either dissolving it in water or breaking it off. More custom finishes such as tapping, inserts, etc. are then applied.
FDM machines can be divided into two overall categories: industrial printers and desktop printers. Each type of FDM printer has unique advantages and drawbacks.
Industrial FDM Printers
Industrial FDM printers provide greater production capabilities than their desktop counterparts with higher print accuracy and larger build volumes. Industrial FDM printers are also capable of printing in a wider variety of materials, such as engineering plastics with high impact strength, biocompatibility, flexibility, and more. Though industrial FDM printers are expensive, they require little maintenance apart from initial setup, which makes them a cost-effective solution for rapid prototyping and small batch production runs.
Desktop FDM Machines
Desktop FDM printers are much less expensive than industrial FDM printers, but have smaller build volumes and lack the production capabilities that make industrial FDM printers so cost-effective for small batch production rapid prototyping. Though some desktop printers can print in a variety of engineering grade materials, the most common plastics are PLA and ABS which are easier to work with and reduce the wear on the print nozzle. Desktop FDM printers also tend to require regular calibration and user maintenance to maintain print accuracy and quality.
FDM is a cost-effective additive manufacturing process, especially for rapid prototyping or low-volume production. Since FDM prints require little post-processing and use more readily available materials, leads times from quote to print and delivery are fast.
When ordering through Xometry, you get the benefits of Industrial 3D Printing without the costs associated with buying and maintaining entire machines. Combined with our Instant Quoting Engine, our online 3D Printing service can turn around your FDM parts in as little as 3 days.
Additionally, Xometry's FDM solution offers large build volumes, a variety of colors, and a diverse selection of production-grade thermoplastics — from ABS to Polycarbonate to Ultem. Our full list of plastic material capabilities is constantly being expanded and updated to fit your unique manufacturing needs.
Many industries benefit from FDM 3D Printing and its rapid prototyping capacity including aerospace and defense, consumer products, industrial engineering, automotive, and medical.
Will It Leak, or Won’t It?
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