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SLS APPLICATION RANGE,SLS ADVANTAGES,SLS AVAILABLE SYSTEMS
Apr 16, 2018

APPLICATION RANGE

  • Visual representation models.

  • Functional and tough prototypes.

  • Cast metal parts (by use of wax).

  • Short run and soft tooling.

ADVANTAGES

  • Numerous materials can be used      like polycarbonate(PC), polyvinil chloride (PVC), nylon(PA), croning sand      for building sandcasting cores, metal and investment casting wax;      virtually any materials that have decreased viscosity upon heating can      potentially be used.

  • Its parts do not require any      post-curing except when ceramics are used.

  • Production, from powder to part,      is generally a same day process.

  • There is no need to create a      structure to support overhanging geometry.

  • This saves time during creation of      the part, as well as after you remove it from the machine.

  • Its advanced software allows      concurrent slicing of the part geometry files while processing the object      is taking place.

DISADVANTAGES

  • During solidification, it may      happen that on the borderline additional powder is hardening. This results      in a raw appearance of the part surface.

  • Necessity to provide the process      chamber continuously with nitrogen to assure safe material sintering (not      for EOS).

  • Toxic gases emitted from the      fusing process have to be handled carefully (especially with PVC).

  • The roughness is most visible when      parts contain gradual sloping surfaces and a stair step effect created by      the layer-by-layer process, becomes increasingly visible.

AVAILABLE SYSTEMS

  • DTM      Corp., USA:Sinterstation 2000

  • EOS, Germany: Eosint Plastic,      Metal, Sand.