Cutting stainless steel question.

[ambivalent]

I need some advice folks. I need to knockback a fat daddy 22mm washer back to 18.5mm to make it fit into a particular application. I own a lathe but it is a small one and I don't really think that turning it down is an option on my particular lathe, however I think i can use the lathe with a file or other abrasive to do the job.

So what i need to know is what particular abrasive/file and technique is best employed to get the job done? I've googled around a bit but I'm non the wiser really.

Any help appreciated.

 

[Lord Grim]

I know nothing about lathes, but in the absence of any other help forthcoming, all I can tell you is that the fastest easiest way to get an edge on a dull stainless knife is with a diamond steel.
I hope this helps in a rounfabout way

 

[Jim]

Bolt and lock nut through the ID I assume and hold it in the chuck as concentric as possible, then three choices.
If the lathe is up to it a carbide tip cutting tool in tool post is the easiest way, 0.5mm at a time. Failing that take a file and whilst watching all your limbs file away. If you also have a power drill with an abrasive cutting wheel you could try it that way resting on the saddle, again keep the fingers out the way. Good luck


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[ambivalent]

Thanks Jim, yes I'll mount it in the chuck with a bolt/lock nut to fit. Any file though? What about aluminum oxide belt mounted on something?

 

[Jim]

Yes could use that. A strip and a file to keep it flat.


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