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I need to make my own lathe-like chuck out of aluminium for a one-off machine I'm making.

It will be self-centering so I need to make a spiral groove, 5mm deep, in a 10mm thick, 150mm diameter circular plate of aluminium. The grooves will be around 3-8mm wide, and spaced about the same.

I only have diy tools to do this - a mitre saw and pillar drill and the usual hand drills etc etc, no lathe or milling machine.

It it possible to do this somehow?

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closed as off-topic by isherwood, Tester101 May 23 '16 at 17:24

  • This question does not appear to be about home improvement within the scope defined in the help center.
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  • What diameter and thickness is the aluminum plate? – bigbull15 May 23 '16 at 14:35
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    I'm voting to close this question as off-topic because it isn't about home improvement. – isherwood May 23 '16 at 15:20
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Scribe out the groove you need to make first. Use the drill to drill out the bulk of the material.

Finish the groove with a dremel. Since its aluminum you can also use a file and chisel to remove the material by hand.

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