Making a Beautiful Spiral on the Lathe - Manual Machining

Making a Beautiful Spiral on the Lathe - Manual Machining

In this video we show you how to make an aluminum spiral with our lathe. It's very easy, but you have to be very careful.
This piece is very pretty, and can be used to display as a work of art.

Index:
0:46 Scribing 20 lines
1:32 Remove one jaw
4:04 It is a pedestal for wedding rings

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[MarkGardiner-gy]

Nice piece of offset turning with a 3 jaw chuck.This is ok for " dolly mixture" (small), high tolerance work like an ornament for the mantlepiece If you're doing larger and / or low tolerance high precision work ie for a cam to creat linear reciprocating movemnt from rotational movement with a precisely measured stroke, like a crankshaft for a compressor, you would use a 4 jaw chuck, a precision adjustable off setting tailstock for the tail running centre and a DTI (clock gauge in old money) with a good machinist achieving a
+/- 0.01mm tolerance (0.000397 inch) Ultra fine tolerance ( microns) and finnish would be achieved using an offset capable cylindrical grinding machine.
Good video demonstrating geometrical abilities of manual lathe work.❤