HP Jet Fusion 300 User Guide - Page 40

Aspect ratio = Length/Width, For best results, ribs should be no thicker than their base wall.

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Aspect ratio = Length/Width For a cantilever with a width less than 1 mm, the aspect ratio should be less than 1. For widths greater than 1 mm, parts with a high aspect ratio have a higher risk of warping (10:1 or greater). ● In general, the minimum recommended wall thickness is 0.3 mm for short walls oriented in the XY plane, and 0.5 mm for short walls oriented in the Z plane. For parts with a high aspect ratio (>10:1), HP recommends increasing the wall thickness, or adding ribs or fillets to reinforce the part. Very thick walls can accumulate heat and cause spot shrinkage in dense areas with an accumulation of material. For best results, ribs should be no thicker than their base wall. TIP: Hollow out the part as much as possible, saving agent and material, and reducing sink marks. ● Minimum gap between parts to be assembled after printing. Sometimes a pair of printed parts need to fit together for the final application. In these cases, HP recommends gaps of at least 0.5 mm between the interface areas that should fit together, in order to ensure correct assembly. 34 Chapter 6 Design and printing guidelines

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Aspect ratio = Length/Width
For a cantilever with a width less than 1 mm, the aspect ratio should be less than 1. For widths greater than
1 mm, parts with a high aspect ratio have a higher risk of warping (10:1 or greater).
●
In general, the minimum recommended
wall thickness
is 0.3 mm for short walls oriented in the XY plane,
and 0.5 mm for short walls oriented in the Z plane.
For parts with a high aspect ratio (>10:1), HP recommends increasing the wall thickness, or adding ribs or
fillets to reinforce the part.
Very thick walls can accumulate heat and cause spot shrinkage in dense areas with an accumulation of
material.
For best results, ribs should be no thicker than their base wall.
TIP:
Hollow out the part as much as possible, saving agent and material, and reducing sink marks.
●
Minimum gap
between parts to be assembled after printing. Sometimes a pair of printed parts need to fit
together for the final application. In these cases, HP recommends gaps of at least 0.5 mm between the
interface areas that should fit together, in order to ensure correct assembly.
34
Chapter 6
Design and printing guidelines