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12-13-2013, 06:07 PM | #23 | ||||||
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That Precision Reloading roll crimper has 4 bumps in it, not 2. Was just messing around yesterday and noticed it. I must doing something wrong - I always get one bad spot in the roll crimp - it doesn't roll over good. What way should it rotate ? The bumps have a tappered lead in , then it drops off 90 degrees. Should the sharp edge hit the shell first, or the tappered lead in ?
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Paul Harm |
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12-16-2013, 10:56 PM | #24 | ||||||
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Paul - I'm rather certain that the roll crimpers are designed to go clockwise. That bad spot may be from you starting the crimper from a dead stop with the crimper against the mouth of the case. You might also look at the condition of the mouth if it's paper hulls you are talking about, here. Perhaps a little heat on the mouth, like holding it against a hot iron and then touching it into a saucer with a melted candle that has hardened into a cookie. The hot hull mouth will absorb just a bit of wax and maybe solve the problem.
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12-17-2013, 10:46 AM | #25 | ||||||
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I start with the crimper moving but you might be on to something with the wax. I have an old plug that gets hot and I rotate the shell around it with a candle applied to it. I had stopped doing that - have to try it again. Thanks.
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Paul Harm |
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12-17-2013, 11:25 AM | #26 | ||||||
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These are the crimps I'm getting now. I gave up on the drill press roll crimper, and went old school. The crimper is an old BGI, and is convertible from rounded crimps to square crimps. It takes no more than 5 turns on the crank. The rear two shells are 2 3/4 spent RSTs (Cheddite) trimmed down, and front two are new paper Chedites. I don't heat or treat the lip, and I don't have to use a vise or collet to hold them. It takes about 3-4 minutes to roll 25 shells. I couldn't be more pleased with the results.
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The Following 4 Users Say Thank You to edgarspencer For Your Post: |
12-17-2013, 11:38 AM | #27 | ||||||
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not surprising - the tools used when roll crimps were in every day use can still do the job
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"If there is a heaven it must have thinning aspen gold, and flighting woodcock, and a bird dog" GBE |
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12-17-2013, 07:34 PM | #28 | ||||||
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mighty nice crimps.. charrlie
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The Following User Says Thank You to charlie cleveland For Your Post: |
12-17-2013, 09:22 PM | #29 | ||||||
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Edger those are really good looking crimps. I use a drill press and one of the crimping tools and I dont think I can roll crimp as many shells in that lenth of time. I did discover that technique is everything.
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12-20-2013, 03:26 PM | #30 | ||||||
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Edgar, that's a shell every six seconds - man, that's moving. I'd screw something up at that rate. They are very nice looking shells.
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Paul Harm |
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