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Friday, February 26, 2010

FDM or Fused Deposition Modeling

FDM or Fused Deposition Modeling is said to be one type of a
free-form fabrication technologies being developed Stratasys Inc.
As this technology utilizes high force ABC plastic it is one of the
most preferred technologies for prototyping plastic parts which
require force. The Fused Deposition Modeling is a method of layered
manufacturing which extrudes a very thin drop of plastic, just one
layer at a time. A string of plastic is supplied into an extrusion
cranium where this string is heated into a state of semi-liquid
form and then extruded via a very tiny passage onto the other layer
of the substance. Support substance is even being laid down in the
same method. 

How it Works? FDM is also said to be a solid based rapid prototype
method which extrudes substances to build a model layer by layer.
FDM is also the second most extensively utilized technology of
rapid prototyping after SLA or Stereolithography. Actually, a
plastic string is being released from a coil and then provides
substances to an extrusion syringe. This syringe is then heated to
melt the stored plastic it also has a mechanism that allows the
flow of the melted plastic to turn on and off when required. This
syringe is later mounted to a mechanical phase that can be shifted
both in vertical and horizontal directions. 


Posted via web from SolidWild's posterous

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