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Rifles, Reloading, Optics, Equipment
Reloading
Best Neck Turning Tool
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<blockquote data-quote="Mikecr" data-source="post: 433341" data-attributes="member: 1521"><p>You've got some pretty weird notions Gary..</p><p>For one, neck turning has nothing to do with adjusting either concentricity or runout. </p><p>It's purpose is soley to produce necks at a desired thickness. Fireforming takes care of the rest.</p><p>Neck turning is a floating operation with the turner in hand. So even though wobbly cases are less fun to turn, thickness results hold well.</p><p></p><p>Pin anvils will not work so well for items of tapered thickness, or irregular form. This is often what you have with new brass. </p><p>A ball provides a precise point contact, which is all we desire to read -at each point.</p><p></p><p>I don't think I could stand the Pumpkin because it looks to obscure observation of the cut. And I really dont see a 'system' there. </p><p>Just a turning tool. Don't know about mandrel/expander or cutter options, and everybody knows indicators don't work for measuring neck thickness..</p><p>Now all turning tools have complete adjustability with their cutters. I'm sure the Pumpkin does as well. But it doesn't matter if you commision NASA to provide 1/2thou cutter clicks. You still have to turn a case or two to determine that needed adjustment. It's trial & error because results vary by the amount taken in the pass.</p><p>Within 4 culled cases I can adjust ANY turner to the correct results using feeler gauges and the cutter set screw to lock it down. </p><p></p><p></p><p>But it's my understanding that the Pumpkin uses an eccentric mandrel for adjustment. So does Sinclair's NT4000 in a sense(eccentric mandrel collar). </p><p>But Sinclair still retains a round mandrel, which is useful elsewhere. Sinclair is large enough for cooling and to hold steady, and it's unobstructed which aids in controlling the feed rate.</p><p></p><p></p><p>I Don't like the K&M because their mandrels are too big for use beyond turning, and the expandiron is nothing but a button(the first thing to remove from a die, and throw away) which wipes shoulder brass into necks and pulls necks all outta whack. It's body was too small for me. The inside reamer is not needed or desired for turning. It's purpose is specifically to grind out doughnuts(if you have that issue). But beyond my nit-picks, it does work well. Just no better than Sinclair's more useful system.</p><p></p><p>You know,, everyone supports what they have.</p><p>And this is one subject I need to start steering clear of.........</p></blockquote><p></p>
[QUOTE="Mikecr, post: 433341, member: 1521"] You've got some pretty weird notions Gary.. For one, neck turning has nothing to do with adjusting either concentricity or runout. It's purpose is soley to produce necks at a desired thickness. Fireforming takes care of the rest. Neck turning is a floating operation with the turner in hand. So even though wobbly cases are less fun to turn, thickness results hold well. Pin anvils will not work so well for items of tapered thickness, or irregular form. This is often what you have with new brass. A ball provides a precise point contact, which is all we desire to read -at each point. I don't think I could stand the Pumpkin because it looks to obscure observation of the cut. And I really dont see a 'system' there. Just a turning tool. Don't know about mandrel/expander or cutter options, and everybody knows indicators don't work for measuring neck thickness.. Now all turning tools have complete adjustability with their cutters. I'm sure the Pumpkin does as well. But it doesn't matter if you commision NASA to provide 1/2thou cutter clicks. You still have to turn a case or two to determine that needed adjustment. It's trial & error because results vary by the amount taken in the pass. Within 4 culled cases I can adjust ANY turner to the correct results using feeler gauges and the cutter set screw to lock it down. But it's my understanding that the Pumpkin uses an eccentric mandrel for adjustment. So does Sinclair's NT4000 in a sense(eccentric mandrel collar). But Sinclair still retains a round mandrel, which is useful elsewhere. Sinclair is large enough for cooling and to hold steady, and it's unobstructed which aids in controlling the feed rate. I Don't like the K&M because their mandrels are too big for use beyond turning, and the expandiron is nothing but a button(the first thing to remove from a die, and throw away) which wipes shoulder brass into necks and pulls necks all outta whack. It's body was too small for me. The inside reamer is not needed or desired for turning. It's purpose is specifically to grind out doughnuts(if you have that issue). But beyond my nit-picks, it does work well. Just no better than Sinclair's more useful system. You know,, everyone supports what they have. And this is one subject I need to start steering clear of......... [/QUOTE]
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