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Rifles, Reloading, Optics, Equipment
Reloading
Die help- tight die/loose chamber?
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<blockquote data-quote="Trickymissfit" data-source="post: 450823" data-attributes="member: 25383"><p>actually there's a third and better way, and it's pretty simple. They use a generic program in a CNC lathe that mimics the actual cartridge case shape. Then all they do is plug in the numbers. Takes about fifteen minutes to cut the case once all the numbers are there. I might add that the only reason it takes this long is the multicuts used to get a proper microfinish. It's the sameway with a chamber reamer. They use a Star grinder that has a program that allows you to simply punch in the numbers you want all the way thru. The whole process will take less than a hour, and the actuall reamer will be well under .00025" when finished. (depending on length and numbers of different tapers). A short reamer like a .445 Supermag takes about ten minutes, and will check out at less than .0001" of error.</p><p> </p><p> Ever wonder how long it takes to turn a bolt for a rifle? It's less time than you took on a coffee break at work! A dual spindle lathe or a motorized tail stock lathe will do one in less than ten minutes if it's programed right (cutting the slots and holes as well)</p><p>gary</p></blockquote><p></p>
[QUOTE="Trickymissfit, post: 450823, member: 25383"] actually there's a third and better way, and it's pretty simple. They use a generic program in a CNC lathe that mimics the actual cartridge case shape. Then all they do is plug in the numbers. Takes about fifteen minutes to cut the case once all the numbers are there. I might add that the only reason it takes this long is the multicuts used to get a proper microfinish. It's the sameway with a chamber reamer. They use a Star grinder that has a program that allows you to simply punch in the numbers you want all the way thru. The whole process will take less than a hour, and the actuall reamer will be well under .00025" when finished. (depending on length and numbers of different tapers). A short reamer like a .445 Supermag takes about ten minutes, and will check out at less than .0001" of error. Ever wonder how long it takes to turn a bolt for a rifle? It's less time than you took on a coffee break at work! A dual spindle lathe or a motorized tail stock lathe will do one in less than ten minutes if it's programed right (cutting the slots and holes as well) gary [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Die help- tight die/loose chamber?
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