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Rifles, Reloading, Optics, Equipment
Equipment Discussions
Neck turner cutter question
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<blockquote data-quote="Trickymissfit" data-source="post: 871959" data-attributes="member: 25383"><p>it sounds like it's setup OK. You never want the entire width of the cutter to be cutting at the sametime. To be exact less is better. There will be a radius at the tip if the cutter, and you want at least .04R, and really a little more. Your cutting brass, and this is a soft metal. So the amount of relief in the cutter is kind of important. This is one of the bad things about using a carbide tipped cutter, as most grinds have a low amount of relief. I increased the amount on mine, and it made a big difference in finish and consistency. I now wish that I had also changed the radius that Sinclair used as well, but it's too late now. I did build a new cutter head for the Sinclair out of Rex 95. Decreased the radius to where it was about .075", and got the correct relief. It cut amazingly well! But yours truly managed to drop that cutter, and chip the tip! Never got time to regrind it, and quit working before I got that done. </p><p>gary</p></blockquote><p></p>
[QUOTE="Trickymissfit, post: 871959, member: 25383"] it sounds like it's setup OK. You never want the entire width of the cutter to be cutting at the sametime. To be exact less is better. There will be a radius at the tip if the cutter, and you want at least .04R, and really a little more. Your cutting brass, and this is a soft metal. So the amount of relief in the cutter is kind of important. This is one of the bad things about using a carbide tipped cutter, as most grinds have a low amount of relief. I increased the amount on mine, and it made a big difference in finish and consistency. I now wish that I had also changed the radius that Sinclair used as well, but it's too late now. I did build a new cutter head for the Sinclair out of Rex 95. Decreased the radius to where it was about .075", and got the correct relief. It cut amazingly well! But yours truly managed to drop that cutter, and chip the tip! Never got time to regrind it, and quit working before I got that done. gary [/QUOTE]
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Neck turner cutter question
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