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410bcf6 · · Aug 16, 2025

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PCB Mill

Have you ever wanted to make a corexy cnc mill? No? This is an experiment to see if making a corexy mill will work for manufacturing pcbs. It is designed for 50x70 mm copper clad, and can also be potentially converted into a 3D printer as it has a large z-axis.

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BOM

Item Quantity Price Total Link
150 mm x 4 extrusion 2 $16.98 $33.96 Aliexpress
250 mm x 4 extrusion 2 $23.47 $46.94 Aliexpress
MGN9 Rail 100mm + Block 3 $7.30 $21.90 Aliexpress
775 spindle with collets 1 $78.78 $78.78 Aliexpress
F623RS 10 pack 3 $4.90 $14.70 Aliexpress
M3 Screws Kit 1 $16.00 $16.00 Amazon
Nema17 Stepper Motor 2 $17.73 $35.46 Aliexpress
Nema 17 Stepper Motor with 100mm Lead Screw 2 $26.31 $52.62 Aliexpress
8mm OD 250 mm linear rod 4 $4.46 $17.84 Aliexpress
LM8UU linear bearing 3 $3.08 $9.24 Aliexpress
CNC Controller 1 $36.00 $36.00 Aliexpress
A4988 Stepper Driver 1 $2.10 $2.10 Aliexpress
GT2 6mm Belt (2m) 1 $6.78 $6.78 Aliexpress
GT2 Pulleys 2 $0.96 $1.92 Aliexpress
M5 Screw Kit 1 $14.97 $14.97 Aliexpress
Mean Well 24V PSU 1 $49.25 $49.25 Aliexpress
Total $435.56

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