What is direct metal laser sintering used for?

DMLS is a 3D printing process, which uses a computer-controlled, high-power laser beam to melt and fuse layers of metallic powder together. Direct metal laser sintering (DMLS) is an industrial 3D printing process that builds fully functional – rapid metal prototypes and production parts in 7 days or less.

What is direct metal laser sintering process?

DMLS is a 3D printing process, which uses a computer-controlled, high-power laser beam to melt and fuse layers of metallic powder together. Direct metal laser sintering (DMLS) is an industrial 3D printing process that builds fully functional – rapid metal prototypes and production parts in 7 days or less.

Who invented direct metal laser sintering?

Most alloys can be used in the DMLS process but 17-4 Precipitation Hardened (PH) and 15-5 PH stainless steel are the most common. The process was invented and patented by Pierre Ciraud in the 1970’s and EOS of Germany is now the main manufacturer of DMLS technology.

What is the working principle of DMLS technology?

DMLS means laser-sintering using a metal powder, in which metal parts are produced directly in the building process. The basic principle of the Direct Metal Laser Sintering (DMLS) Technology is to melt down thin layers (20 ÷ 60 µm) of Metal Powder with an electronically driven LASER beam (200W).

What are the advantages of DMLS?

  • Outstanding mechanical properties.
  • Wide material selection.
  • Short production time.
  • Superior quality of parts.
  • Highly complex designs.

What are the disadvantages of DMLS?

  • DMLS offers a small build size compared to other technologies. Other technologies such as FDM can offer build sizes of over 100cm³ which DMLS cannot compete with.
  • DMLS is a very expensive process. All metal 3D printers are industrial and can cost $250,000+.

What laser is used in DMLS?

The DMLS process uses a CO2 laser with high power for sintering the metallic powder material to be used for prototyping.

What is metal sintering?

sintering, the welding together of small particles of metal by applying heat below the melting point. The process may be used in steel manufacturing—to form complex shapes, to produce alloys, or to work in metals with very high melting points.

Which of the following technologies is capable of printing metal?

Selective Laser Melting (SLM) – Also known as: Direct Metal Laser Sintering (DMLS), Selective Laser Sintering (SLS), Direct Metal Printing (DMP), Laser Powder Bed Fusion (LPBF). The majority of Powder Bed Fusion machines are Selective Laser Melting (SLM) machines.

What is the full form of DMLS?

Direct Metal Laser Sintering (DMLS) is a direct metal laser melting (DMLM) or laser powder bed fusion (LPBF) technology that accurately forms complex geometries not possible with other metal manufacturing methods.

What materials can be processed with metal laser sintering or laser melting processes?

Some of the materials being used in this process can include Ni based super alloys, copper, aluminum, stainless steel, tool steel, cobalt chrome, titanium and tungsten. SLM is especially useful for producing tungsten parts because of the high melting point and high ductile-brittle transition temperature of this metal.

What metals can you use in 3D printing?

Titanium, steel, stainless steel, aluminium, copper, cobalt chrome, titanium, tungsten and nickel-based alloys are all available in powdered form for 3D printing, as are precious metals like gold, platinum, palladium and silver.


Videos

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