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For metal printing we are using special technology - Direct Metal Laser Sintering. DMLS is an additive process, when laser melts fine metal powder and builds up the product layer by layer. This method is perfect solution for direct, cost-efficient manufacturing of high-quality metal tool inserts, prototypes and end-use products. DMLS is used when strenght and funcionality of the product is very important. Technology allows tocreate products with extremely complex geometries including elements such as free-form surfaces, deep slots and coolant ducts. DMLS technology is widely used in healthcare, automotive and aviation industries. Choosing different materials produces products with different characteristics such as flexibility, rigidity and durability.

Specification:
Material MaragingSteel CobaltChrome StainlessSteel 316L
Chemical composition X3NiCoCoTi 18-9-5 9CoCrMo 18Cr-14Ni-2.5Mo
Typical achievable accurany for small parts +-20 +-20 - 50 +-20 - 50
Typical achievable accurany for large parts +-40 +-40 - 200 +-0.2%
Min. wall thickness, mm 0.3 - 0.4 0.3 - 0.4 0.3 - 0.4
Surface roughness for 20 microns layer Ra 4 um; Rz 20 um Ra 4-10 um; Rz 20-40 um Ra 13+-5 um; Rz 80+-20 um
Surface roughness for 40 microns layer Ra 5 um; Rz 28 um Ra 7-10 um; Rz 35-50 um -
Density, g/cm3 8.0 - 8.1 8.3 7.9
Tensile strength, MPa 1100 +- 100 1200 +- 100 >640 +- 50
Elongation at break, % 10 +- 100 11 +- 3 40 +- 15
Hardness as build 33 - 37 HRC 35 - 45 HRC 85 HRB
Hardness after age hardening 50 - 56 HRC - -
Max. operating temperature, C 400 1150 -
Building volume (xyz), mm 250 x 250 x 325