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Smaller parting blades in dedicated toolholder?

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Jon Gibbs06/05/2014 10:48:43
739 forum posts

Thanks for the postings. Just to be clear I now have a couple of options of parting blade - the original 5/32" blade and the smaller 3/32" blade...

...but until I read your posts I hadn't put two-and-two together and realized that by grinding the cutting edge in the way I had I'd made the cut narrower than the bottom of the blade - doooh! embarrassed

I will see what the damage is with a micrometer when I get chance.

My feeling is that the square shoulders of the notch are actually pretty sharp in practice and will result in a neutral rake angle cut good for a thou or two? After all I was able to part well past the hollow behind the cutting edge last night when parting 40mm stock without any noticeable binding problems but I guess time will tell.

Jon

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