 LTI
SERVICES |
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FDM is a rapid prototyping
technology where a plastic filament is unwound from
a coil and supplies material to an extrusion nozzle.
The nozzle moves on an x and y table. The nozzle is
heated to melt the plastic and which then get deposited
on a foam table one layer at a time. The plastic hardens
immediately after being squirted from the nozzle and
bonds to the layer below.
Several materials are available for the process including
ABS and investment casting wax. ABS offers good strength.
Polycarbonate materials have been introduced which extend
the capabilities of the method further in terms of strength
and temperature range.
| FDM (Fused Deposition Modeling) |
- Stable, Robust, Machinable, Heat-Tolerant
- Snap-fits, Enclosures, Threaded Inserts
- EMI/RF Shielding, Custom Paints & Finishes
- ABS, Polycarbonate
- Proof of Design
- Engineering Evaluative Models
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| BUILD SIZE |
Small: 8" x 8" x 12"
Medium: 14" X 16" x 16"
Large: 23.6" x 19.7" x 23.6" |
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| MATERIAL |
White ABS polymer:
Tensile Strength: 5,000 psi
Flexural Strength: 9,500 psi
Tensile Modulus: 360,000 psi
Flexural Modulus: 380,000 psi
Hardness: R105 Shore D
Softening Point: 200 Degrees F |
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BUILD
SPECIFICATION |
Build Tolerance: +/- .005" inch/inch
Build Layer; .013" and/or .010"
Internal Build Style: solid or Hollow |
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| SURFACE FINISH |
Level 1: Raw part out of the machine.
Level 2: Smooth finish on all external surfaces to 400
grit
Level 3: Smooth finish on all external surfaces to 600
grit |
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| PAINTING |
Spray paint available upon request |
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