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Rifles, Reloading, Optics, Equipment
Reloading
honing out the neck of a die?
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<blockquote data-quote="Trickymissfit" data-source="post: 1301073" data-attributes="member: 25383"><p>few people seem to understand the hone process, and it's a shame. You have a bore of a certain diameter, and lets say you want it .0017" bigger. Pretty easy if you have a good bore, and garbage if you have a bad bore. If the bore is tapered you can actually straiten it up, if you have enough stock in the bore. If the bore is out of round, you will still have an out of round bore. Nature of the beast! You cannot relocate the centerline of a bad bore with a hone. Be nice if you could, but it's not in the stars. If the bore is out of round, you'll need to grind the bore round first (or tapered if you want it perfect). Even then it's only as good as the guy who sets it up. One tenth actually is two tenths, and so on. I have ground .0005" out of a bore in the past, but was also called every name in the book.</p><p></p><p>I personally like the hone process best when it comes to getting things dead nuts. Grinding leaves what we call a shadow on the surface. Often about a tenth, and at least fifty millionths. There is another process that's even more accurate, but I've never done it (to be truthful). That is precision lapping. I've seen it done on O.D.'s of small gauges to take another fifty millionths off, and have heard you can also do the I.D. Finish is a very low number, and almost looks like a mirror. Honestly, I've never even watch them do it.</p><p></p><p>gary</p></blockquote><p></p>
[QUOTE="Trickymissfit, post: 1301073, member: 25383"] few people seem to understand the hone process, and it's a shame. You have a bore of a certain diameter, and lets say you want it .0017" bigger. Pretty easy if you have a good bore, and garbage if you have a bad bore. If the bore is tapered you can actually straiten it up, if you have enough stock in the bore. If the bore is out of round, you will still have an out of round bore. Nature of the beast! You cannot relocate the centerline of a bad bore with a hone. Be nice if you could, but it's not in the stars. If the bore is out of round, you'll need to grind the bore round first (or tapered if you want it perfect). Even then it's only as good as the guy who sets it up. One tenth actually is two tenths, and so on. I have ground .0005" out of a bore in the past, but was also called every name in the book. I personally like the hone process best when it comes to getting things dead nuts. Grinding leaves what we call a shadow on the surface. Often about a tenth, and at least fifty millionths. There is another process that's even more accurate, but I've never done it (to be truthful). That is precision lapping. I've seen it done on O.D.'s of small gauges to take another fifty millionths off, and have heard you can also do the I.D. Finish is a very low number, and almost looks like a mirror. Honestly, I've never even watch them do it. gary [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
honing out the neck of a die?
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