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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Barrel Crown
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<blockquote data-quote="biednick" data-source="post: 2646023" data-attributes="member: 123604"><p>This assumes the bore is perfectly parallel to the axis of rotation. If it isn't, you'll end up with a crown cut at an angle to the bore which will cause issues. Dialing in a bore to be parallel is easiest if the bore is also centered, so it's not a real advantage. It also assumes the cross slide is perpendicular to the axis of rotation, which isn't always the case on cheap or clapped out lathes. If you're trying to get around a bad setup your best bet is using a piloted cutter in a floating tool holder. Brownells sells 11° and 90° piloted cutters that work well.</p></blockquote><p></p>
[QUOTE="biednick, post: 2646023, member: 123604"] This assumes the bore is perfectly parallel to the axis of rotation. If it isn't, you'll end up with a crown cut at an angle to the bore which will cause issues. Dialing in a bore to be parallel is easiest if the bore is also centered, so it's not a real advantage. It also assumes the cross slide is perpendicular to the axis of rotation, which isn't always the case on cheap or clapped out lathes. If you're trying to get around a bad setup your best bet is using a piloted cutter in a floating tool holder. Brownells sells 11° and 90° piloted cutters that work well. [/QUOTE]
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Barrel Crown
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