Contents
Autodesk Netfabb 2021 Ultimate
what is new in Netfabb 2021
The new release, Netfabb 2021, offers a number of new features, including improved build controls and greater support for metal Powder Bed Fusion (PBF) and Directed Energy Deposition (DED).
The use of new 3D packing methods in Netfabb 2021 has reportedly been made possible with two new algorithms, which increase packing density for processes that don’t require support structures, such as Binder Jetting (BJT).
Using these new 3D packing methods, a size sorting algorithm prioritises large parts for the centre of the build platform while filling the remaining volume with smaller objects, while a gravity algorithm uses a physics-based engine to simulate gravity and packs parts more closely.
Netfabb 2021 also offers advanced toolpath features. New hexagonal hatch patterns are said to help balance thermal input and build quality, and smoke simulation of slice data from SLM Solutions and Renishaw helps identify areas where the smoke plume may interfere with the laser path, causing deflections that jeopardise build quality. The new release allows users to control toolpath vectors based on an external input, such as process simulation results.
Simulation Utility
New processing parameter (PRM) files:
- Additive Industries MetalFAB1 Inconel 718 40 µm
- EOS Inconel 718 M290
Mesh size limits increased for Simulation Utility LT
- Number of nodes increased from 500,000 to 5 million
- Layer-nodes increased from 20 million to 200 million
New Additional Workflow Tutorial A1
Local Simulation
Directed Energy Deposition Compensation
- Using a source STL, simulation-based compensation and warping of DED geometries is now possible. A new example has been added to demonstrate Directed Energy Deposition Compensation.
Input/Output
- Two new cards have been added to allow viewing simulation results on the warped or compensated STL:
- *OVTK outputs a .vtk file during distort_stl, in additional to the warped .stl.
- *AVTK is used in conjunction with *OVTK, and outputs ASCII-coded .vtk files when executing distort_stl.
- Two new cards have been added to allow viewing simulation results on the warped or compensated STL:
Part Level Powder Bed Modeling
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