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I've been loading .40 and .45 powder coated pills and getting small bits of lead shaved off while seating. Now ive tried to adjust flare on my expander dies for flare and still dont seem to have a system where I can consistently keep the case mouth from shaving a small bit off the base of the bullet. It's not a lot being shaved off and my loads are fine I just wanted to know if anyone else has had this issue. Using lee 4 die sets on a lee turret press. Everything thing seems fine I just feel like I could be doing something a little different.
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The belling is the only way to stop this....I'd check the cases for adequate belling. Or maybe don't seat 45ca in your 40... jkmy signature is worthless -
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I usually refrain from shaving while seated. Would hate to drop the shaver in the ****ter.Only slaves don't need guns
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If you are seating and your shells are shaving THROUGH the PC and ACTUALLY cutting off lead, then you need to reread the section about belling/flaring in ANY reloading manual.
I do not think I have EVER shaved off any PC let alone LEAD while reloading unless I tried to reseat some ammo AFTER I had taper crimped it. And that ONLY happened that ONE night when I had a bit much apple pie moonshine to drink, well, I was sipping it all night and at the end I had gone through a quart... I probably should not have been on my turret reloading now that I think of it, but I only made 8 squibs out of 92 rounds so far so that is good...7 Billion people on the planet. They aint ALL gonna astronauts. Some will get hit by trains...
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i think its the slight crimp that shaves back off your die a 1/2 turn and turn your seater down a whole turnComment
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Sounds more like the last station, crimping and seating is slightly off. The crimp is folded as the seater completes it's seating. The crimp is doing the shaving. That happens sometimes with a four die set.
Try no crimp at all and see if that stops the problem. Then you'll know for sure it's that station.
I suppose that you could also try small incremental adjustments to see if you can get that timing just right enough to stop it once you discover it's that station.Comment
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I use a separate die to bell my cases, the Lee set, because it doesn't do anything other than bell the mouth. The bullets go in clean, and the necks stay tight.
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ahh yes... if its shaving in the seating die then you need to reset it to crimp at the right time. Read how to setup the crimp seating die again.my signature is worthlessComment
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Two things
1. Lyman "M" die to create a seat to hold the bullet
2. Ensure that the bullet is "straight" as it enters the Seating die
I long ago gave up seating and crimping in the same die...because the journey is the worthier part...The Shepherd's TaleComment
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I've been seeing shavings when seating 9mm plated bullets when using WCC cases . I found that the inside edge of the case mouths were either sharp right angles or had some burs . I could actually feel it scrape in the handle when seating the bullet . I knew I was flaring enough and could flare more but did not want to work the brass more then needed . My solution was to chamfer to insides of the case mouths . This worked well for me . Very little ever gets shaved off now and bullets seat much smoother .Tolerate
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If the bases of the bullets are being shaved, then you simply don't have enough neck expansion and mouth flare. I use p/c bullets in both those same calibers without problem unless the flare is too slight.
It is possible that your flare is being ironed out too soon in your seating die, that could be caused by having a strong crimp set up in the seater. Try this:
- adjust the seater die down til it touches the case mouth, then back it out at least one full turn. Then seat the bullet. -- no crimp. See if it still shaves. If not, the go ahead and seat all your bullets.
- re-adjust the die for crimping: back the seating stem way the heck out so it can't possibly contact the bullet, screw the die down on a case until you feel it contact the case mouth, then press a loaded cartridge up and check the crimp. Keep moving the die down until the desired crimp is achieved. Now crimp the rest of the cartridges.
The above implies that you seat and crimp in two separate steps. Yep. Often necessary with lead/pc/plated bullets. If you are using a progressive or turret, you need an additional crimp die. The Lee factory crimp dies are inexpensive and have the advantage of a carbide ring that can iron out minor case bulges and imperfections. If you are using a single stage press, you can get away with just re-adjusting the seater die for the crimp step. But.. an additional die is still handy.
My $.03 ( used to be only worth $.02-- but inflation) : bite the bullet and get a crimp die for each caliber.Comment
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Chamfer the brass, or flare a little more. The biggest obstacle you will encounter when flaring brass is uneven height when using mixed brass. Anytime I shave a bullet it is always with a very short case that just happens to bee in my batch of mixed brass.
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A little adjustment on the flare was all i needed to do......Comment
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