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Glaze busting

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AndyD:
Hi,
Just a general question on what people do in terms of glaze busting before fitting new rings.
I've used a 3-leg spring loaded contraption before which seemed to work OK but would appreciate any advice / ideas etc. as it's something I've never been totally happy with.

Cheers,
Andy

Johnwebley:
That sounds ok.

Plenty of light lubrication. I used WD40.

I used a long split pin with Emery in the slot.
Seems to work ok.takes away the shine without removing any metal.

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Bryanj:
Big flap wheel

AndyD:
Thanks,
Never sure how much to do or how crucial the 'pattern' in the walls is when complete.
I had seen a flex-hone tool which looked nice but downside that they come in specific sizes so not as 'universal' as the 3-leg tools.
John- agree to using lot of oil with the tool as I think it could get quite agressive if not. I guess the split pin and emery cloth is effectively a DIY flap wheel.
Bryan - what sort of flapwheel would you suggest, in terms of size / grit etc. and do you just run through the bores or try and achieve some sort of scratch pattern?
Cheers,
Andy

taysidedragon:
I was taught by an aircraft engineer to make a diagonal cross-hatch pattern.
Use a fine grit so that you bust the glaze but remove as little metal as possible.

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