Uploaded April 2017 | Updated September 2026, 3 days ago

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Milling a switch frame from 1.2 mm thick 5251 H22 grade aluminium sheet for a replica Brian May Red Special electric guitar using a Stepcraft 2/840 CNC machine with an industrial HF spindle from StoneyCNC. Screw hole drilling (2 passes only) shown speeded up 8 x. See the following section of my website for further details:
dsgb.net/projects/redspecial/parts8-12

Feed rate: 1,000 mm/min
Plunge rate: 30 mm/min
Spindle speed: 7,500 rpm.
2 mm 2 flute solid carbide slot drill
12 passes at 0.1 mm depth per pass