1 Phase AC motor cooling fan cowl
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CFD-validated motor fan shroud for woodworking machines. Improved airflow and cooling vs. stock.
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Hi everyone,
I recently had a woodworking machine in the workshop for repair, but the stock motor cooling fan cowl/shroud was completely unavailable on the market. Instead of looking for an exact replacement, I reverse-engineered and redesigned the part from scratch.
To ensure optimal cooling performance, I ran comparative CFD analyses using SOLIDWORKS Flow Simulation, benchmarking my modified design against the original manufacturer’s stock geometry (obtained from their technical drawings).
CFD Analysis & Results:
Stock Design: Exhibited turbulent airflow, significant local vortices, and uneven distribution around the motor casing.
Modified (Optimized) Design: Produces a much smoother, streamlined, and uniform flow field with significantly reduced vortex generation, resulting in higher outlet velocity and superior cooling efficiency.
I’m sharing the files here hoping they prove useful for your DIY repairs, motor retrofits, or custom woodworking machinery projects.
Recommended Print Settings:
Material: PETG, ABS, or ASA (Recommended for heat resistance around electric motors; PLA can be used for light-duty testing).
Layer Height: 0.2 mm
Perimeters/Walls: 3–4
Infill: 25%–35% (Grid / Gyroid)
Supports: Depending on your print orientation.