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3D laser beam melting

selective laser melting (SLM)

definition

The Selective Laser Melting (SLM, synonym Selective Laser Sintering = SLS) belongs to the technology family of generative production techniques. The three dimensional constructional part is generated by a laser beam (lamda = 1068 nm), which melts completely layers of metal powder.

This offers the possibility to create complex structures and shapes in only one production step (near net shape). Because of this advantage this technique is commonly used for rapid prototyping. It is expected in the future that the potential of this technology will be useful for Additive Layer Manufacturing (rapid tooling and rapid manufacturing).

details

At the beginning,  a three dimensional CAD or CT model and will be sliced into 30-50 μm thin layers. Each layer has specific laser beam information which includes the detailed melting properties. Our team use the SLM 250 HL machine from the MTT Technology Group.

See: 3D laser beam melting (animation, AVI 640x480, 9MB)



                    

 

 

application

tested metal powders:

  • stainless Steel 1.4404 (316L)
  • AlSi12

Contact Person
Dr. Denis Klemm
Tel.: +49 351 4659 -760
Fax.:+ 49 351 4659 -9760
e-mail:
D.Klemm@ifw-dresden.de
Contact:
IFW Dresden
PF 27 01 16
D-01171 Dresden