Moldex3D Blog: Speed Up Cooling System Modeling with Non-matching Mesh

Moldex3D Blog: Speed Up Cooling System Modeling with Non-matching Mesh

March 11th, 2019

Insert moulding is a high-performance and widely used moulding technology. For insert moulding simulation, Moldex3D pre-processing provides powerful functions to automatically generate a good quality mesh for users. Advanced users need very detailed analysis results, so a comprehensive mesh is necessary. However, it costs experienced users significant time and efforts in mesh building in order to create matching solid mesh among every component.

To overcome this challenge, Moldex3D non-matching mesh technology now supports complete mould analysis that covers non-matching mesh generation between plastic parts, inserts and cooling systems, including mould base and cooling channels. Users will save lots of time doing meshing and still get reliable results. The following steps will show how to generate a cooling system non-matching mesh and its performance in the analysis.

Step 1: Open DesignerBLM/ Studio, and have Allow Non-matching faces checked.

Step 2: Follow the regular pre-processing procedures: Import the model, build the runner system and specify the cooling system.

Note: It is necessary to set up the mould base first in order to generate a non-matching cooling system mesh.

Step 3: In Generate BLM Wizard, click Generate to start mesh generation, and all job items will be checked when completed.

Note: Auto-grid will be marked behind the mould base job item once non-matching mesh generation fails, and the cooling system will be exported as Auto-grid (fast cool) instead.

Step 4: As shown below, not all of the nodes connect with each other’s on the interface among part (purple), part insert (red) and mould base (green). The model then can be applied for moulding simulation, and the results fully demonstrate continuous temperature distribution around the interface among different components.

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