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What Makes FDM 3D Printing Different from DMLS Printing

3D printing is one of the most versatile manufacturing processes and is also the broadest. In fact, fused deposition modeling (FDM) 3D printing and direct metal laser sintering (DMLS) are both forms of 3D printing, along with other techniques like stereolithography and selective laser sintering. But what sets these processes apart from each other?

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What Makes FDM 3D Printing Different from DMLS Printing

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  1. What Makes FDM 3D Printing Different from DMLS Printing? 3D printing is one of the most versatile manufacturing processes and is also the broadest. In fact, fused deposition modeling (FDM) 3D printingand direct metal laser sintering (DMLS) are both forms of 3D printing, along with other techniques like stereolithography and selective laser sintering. But what sets these processes apart from each other? The differences between FDM 3D printing and DMLS printing  Materials The biggest difference between FDM and DMLS can be found in the materials they use. Fused deposition modeling is a process that primarily uses thermoplastics, including polylactic acid (PLA), acrylonitrile butadiene styrene (ABS), and polyethylene terephthalate (PET). On the other hand, DMLS is a metal 3D printing process. The types of metals you can work with will vary depending on your manufacturer, but some common materials include aluminum, stainless steel, and titanium alloys.  Process Naturally, the difference in materials between FDM and DMLS calls for different methods. In FDM, for instance, a 3D printer extrudes plastic one layer at a time until a complete product is formed. Meanwhile, the DMLS process is similar to selective laser sintering. During DMLS, metal powder is heated to a specific point so that it fuses on a molecular level. What results is a metal part with a single melting temperature.  Speed Both fused deposition modeling and direct metal laser sintering are rapid prototyping methods. This means they can produce several parts in a limited time, which is ideal for low-volume production. Generally, FDM printers can deposit around 100mm of material per hour. There are also more powerful printers that can reach speeds of 500mm/hr.

  2. DMLS is a little slower than FDM. Depending on the complexity of your parts, a DMLS machine requires about 12 hours to three days to complete a part. Regardless of these differences, all 3D printing methods have numerous benefits. For example, these techniques allow you to experiment with various designs, offering fewer limitations compared to traditional manufacturing processes. Moreover, 3D printing is incredibly cost-effective. As an additive manufacturing process, it only consumes the materials needed to create the final product, significantly reducing material waste. You can work with a certified manufacturing solutions provider to ensure that your products made with DMLS or FDM 3D printingare of the highest quality.

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