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Tech & Fab
Lathe work on hardened material
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<blockquote data-quote="Elliott" data-source="post: 543768" data-attributes="member: 1090"><p>You have to have the right grinding wheels, surface grinders for instance are for grinding hard steels for the most part. And they make different types of wheels for regular hand grinders also, even make some for aluminum to keep them from loading up, not really sure what the difference in properties is in those but they work great. Carbide is terrible hard and you can still grind it with a diamond wheel on a surface grinder. Just remember you have to have a cutting tool harder than what your cutting, otherwise the only cutting your doing is thru friction, and on your lathe bits when you hand grind them you don't want them really sharp, I know that sounds wierd but if you look at carbide inserts they are not sharp at all, in trade school they teach you to slightly round a bit after you sharpen it.</p></blockquote><p></p>
[QUOTE="Elliott, post: 543768, member: 1090"] You have to have the right grinding wheels, surface grinders for instance are for grinding hard steels for the most part. And they make different types of wheels for regular hand grinders also, even make some for aluminum to keep them from loading up, not really sure what the difference in properties is in those but they work great. Carbide is terrible hard and you can still grind it with a diamond wheel on a surface grinder. Just remember you have to have a cutting tool harder than what your cutting, otherwise the only cutting your doing is thru friction, and on your lathe bits when you hand grind them you don't want them really sharp, I know that sounds wierd but if you look at carbide inserts they are not sharp at all, in trade school they teach you to slightly round a bit after you sharpen it. [/QUOTE]
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