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FDM > BEST PRACTICES

Positioning Parts in Relation to

Airflow

Prodigy Plus part quality can be assured with proper part placement in the build

chamber. Lack of airflow around the part as it builds can result in distorted parts and

poor part quality. Understanding how this can happen will help you position parts in the

build area for best results.

Airflow

The airflow in a Prodigy Plus moves from both sides of the top of the chamber, across

the build area and then to the bottom. The air is then sucked into the sides and

circulated back to the top after passing across the interval heating elements. This

provides a uniform thermal gradient throughout the build chamber.

Just as importantly, the airflow carries the heat that is generated by the head and tip

away from the part. Distortion occurs if the part and support materials are not able to

cool down to the envelope temperature while it is building (figure 1).

Small parts are more susceptible to "heat distortion" because the head is radiating heat

as the part is building and there is less time for the part to cool. To minimize distortion on

small parts, it is best to run multiple parts on the build platform. The parts can be the

same as long as they are positioned in the build area properly. By doing this, you are

moving the heated head from part to part allowing time for each part to cool as it is built.

When building multiple parts, align them along the "Y" axis. Doing so will prevent

blocking of the airflow between the parts. Space parts approximately 1 inch apart (figure 2).

More Info

Contact a Stratasys application engineer by calling 800.937.3010 or visit

www.stratasys.com for more information.

CAD

Insight

Machine

Finishing

Skill Level

Prodigy

Vantage

Titan

Maxum

USA: Stratasys Inc.

14950 Martin Drive

Eden Prairie, MN 55344-2020

+1.800.937.3010 US Toll Free

+1.952.937.3000

+1.952.937.0070 Fax

[email protected] www.stratasys.com

United States and other countries. FDMBP56 9/05

Figure 1: Example of Distorted Part

Distorted part due to improper air

flow

Figure 2: Build area configuration

Position parts as close to the

center as possible.

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Indice de contenidos

Pagina 1

FDM > BEST PRACTICESPositioning Parts in Relation toAirflowProdigy Plus part quality can be assured with proper part placement in the buildchamber.

Pagina 2 - Selection Tools

FDM > BEST PRACTICESDrying Wet FilamentAlso applies to:FDM 8000, 2000, 3000, and 1650OverviewMoisture collects on filament immediately if left in a

Pagina 3 - Surface Finish

FDM > BEST PRACTICESConverting CAD Files to STLHow CAD files are exported to STL is an important process for accurate building ofparts. The step by

Pagina 4 - Part Orientation for Strength

FDM > BEST PRACTICESConverting CAD Files to STLIronCAD1. Right Click on the part 2. Part Properties > Rendering 3. Set Facet Surface Smoothing t

Pagina 5 - Supports and Speed

FDM > BEST PRACTICESConverting CAD Files to STL5. Click OKSolidEdge1. File > Save As 2. Set Save As Type to STL 3. Options 4. Set Conversion Tol

Pagina 6 - Overcoming Part Curling

FDM > BEST PRACTICESPositioning Parts in Relation to AirflowPart quality can be ensured with proper placement in the build chamber. Lack of airflo

Pagina 7 - Insight Keyboard Shortcuts

The Selection Tools feature of the Insight software will allow the user to moreeasily select curves when performing curve editing and tool path operat

Pagina 8 - Insight Procedure

FDM > BEST PRACTICESPart Orientation for SmoothSurface FinishFigure 1: Original part orientationCAD Insight MachineFinishingSkill LevelFigure 2:

Pagina 9

FDM > BEST PRACTICESPart Orientation for StrengthPart strength can be gained by orientating the part properly. Small features can becomestronger by

Pagina 10 - Drying Wet Filament

PartOrientation can affect support usage and buildspeed of the part. Rotating a part to a differentorientation can decrease support usage and the buil

Pagina 11 - Converting CAD Files to STL

Large parts that curl off of the build sheet can be a problem. The large area of the part,the heat differential between the tip and build platen, alon

Pagina 12

Keyboard shortcuts are an effective way of saving time while you process your parts.Keyboard KeyF1 = HelpF5 = Top ViewF6 = Front View F7 = Right Side

Pagina 13

FDM > BEST PRACTICESInsight ProcedureIt is important to follow a procedure when processing parts in Insight to ensurequality parts are built on you

Pagina 14

FDM > BEST PRACTICESInsight ProcedureStep 9Check to make sure that the support base has been created and the base toplayer is correct. Make sure su

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