Instrumus

Direct Metal Laser Sintering (DMLS) 3D Printing

Description

DMLS is an advanced powdered bed fusion (PBF) technique where a re-coater blade or roller evenly distributes powdered metal across a substrate. A high-precision laser then selectively melts the powder layer by layer to build up the desired part. This method is highly regarded in the automotive and aerospace industries for producing high-performance metal components with exceptional precision and strength.

  • Materials Available

    • Aluminium Alloy ( AlSiMg )
    • Aluminum
    • CO - CR Alloy ( MPT)
    • Chromium Bronze ( QCR 1 )
    • Cobalt Chrome
    • Copper
    • Die Steel (MS1 )
    • Inconel
    • Maraging Steel
    • NI Base Superalloy ( In 718 )
    • SS316
    • SS316 L
    • Titanium
    • Titanium Alloy ( TC4 )

  • Technical Details

    • Mechanical Properties: High strength and durability comparable to traditionally manufactured metal parts.
    • Surface Finish: Rough; typically requires post-processing for smoothness.
    • Dimensional Accuracy: High, within ±0.1mm.
    • Max Build Size: Typically up to 250 x 250 x 325mm.
    • Speed of Production: Moderate to slow.

  • Cost

    • Initial Capital Investment: Very high.
    • Production Costs: High due to material, energy consumption, and post-processing needs.
    • Operational Costs: Includes material usage, machine maintenance, and post-processing.

  • Advantages

    • Can be used to print parts with lattice structures and topology optimized designs, which can reduce weight while maintaining strength.
    • Does not require support structures, which allows for more complex geometries and dimensional accuracy.
    • Excellent material properties suitable for functional parts.

  • Disadvantages

    • High cost for both setup and operation.
    • Requires post-processing for optimal surface finish.

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