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.