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FDM (Fused Deposition Modeling) offers functional prototypes with material choices of ABS, Polycarbonate and Polyphenylsulfone.

These thermoplastics are extruded as a semi-molten filament, which is deposited on a layer-by-layer basis to build a prototype directly from the 3D CAD data (.stl file) provided. Minimum modeling feature size is .025” (.6 mm) and best results are achieved from products with a minimum wall thickness of .040” (1 mm).

The maximum machine build envelope for the ABS material is 23” (584 mm) X 19” (483 mm) X 23” (584 mm), for Polycarbonate and Polyphenylsulfone it’s 16” (406 mm) X 14” (356 mm) X 16” (406 mm). Larger models are built using a precision slice (generated by the build software) and post build gluing operation to bond the precision built sections of the model together.

The typical surface finish could be described as a fine texture; however surface finish can be adjusted to the end users particular needs by a fine sanding operation. Due to the durable characteristics of the modeling materials, the parts can be modified by milling, turning, drilling, and tapping as may be required. The models can be easily painted using “Krylon Fusion” paint without the need of a Primer coat. The models can be glued using any solvent type glue such as “Weld Pro”, Weld-On 3 or 4”.

Please see Materials Specifications Chart:        FMD Materials Specifications Chart

 
 

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