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New to the Game. Need help with resizing issue!!

 
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  #8  
Old 05-05-2012, 04:57 PM
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Re: New to the Game. Need help with resizing issue!!

Yes I have been lubeing the cases. They come out relatively easy. Definitely not a tug of war. I just got 20 cases to close in the bolt alot easier....still tight but a big improvement . I screwed the die up a couple turns then worked a couple each time then testing in my gun. Die has to be about 1/4-1/2 above the shell holder- not touching. Real tight sweet spot. Thanks for the good ideas. I think they will work now but I want to try another die or let someone else size a few for me to see what the difference is. I am using Hornady dies.
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Old 05-05-2012, 07:27 PM
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Re: New to the Game. Need help with resizing issue!!

Die is not set up proper,read your die instructions or a manual.The die should always touch for full size or using a adjustable shell holder kit.As posted earlier die should touch or cam over,this keeps it more consistent on sizing, die up in relationship you describe would be neck sizing or partial neck
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Old 05-05-2012, 08:52 PM
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Re: New to the Game. Need help with resizing issue!!

As earlier posted, you are not full length sizing. You are partial sizing and need to set the shoulder on the brass back a couple thousandths at least in order to be able to close the bolt without trouble. You need to screw the die down a quarter of a turn at a time until the bolt closes reasonably.
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  #11  
Old 05-05-2012, 09:34 PM
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Re: New to the Game. Need help with resizing issue!!

Yes, I understand. I started out full length resizing but couldnt get bolt to close without excessive effort. I backed the die off 2-3'turns and improved but not as much as needed or at least would like to feel comfortable. You got to be right about the shoulder. Everything esle checks out good, the length, the base of the case. It's all new to me.....frustrating too.
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  #12  
Old 05-10-2012, 08:48 AM
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Re: New to the Game. Need help with resizing issue!!

Quote:
Originally Posted by sp6x6 View Post
Die is not set up proper,read your die instructions or a manual.The die should always touch for full size or using a adjustable shell holder kit.As posted earlier die should touch or cam over,this keeps it more consistent on sizing, die up in relationship you describe would be neck sizing or partial neck
Why do you have to full length resize with a full length die? I measure off the datum line of my cartridges, and only bump my shoulder back about 0.0005 - 0.001" with my FL dies. I can also put a 1/8" washer between the press and die (once the die is set up correctly, to my specs) and then I'm technically only neck sizing...

No offense meant, just curious. Thanks.
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  #13  
Old 05-12-2012, 08:50 AM
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Re: New to the Game. Need help with resizing issue!!

Quote:
Originally Posted by bowhunthard View Post
Why do you have to full length resize with a full length die? I measure off the datum line of my cartridges, and only bump my shoulder back about 0.0005 - 0.001" with my FL dies. I can also put a 1/8" washer between the press and die (once the die is set up correctly, to my specs) and then I'm technically only neck sizing...

No offense meant, just curious. Thanks.
You dont,read the posts,this guy is ata beginner stage, and has brass,sounds like barely fit chamber or not. I have neck dies,bushing dies,full,etc.I load as you suggested,and have tools to measure. I dont believe OP,HAS THIS KNOWLEDGE. When the press does not have a positive stop,usually the sizing accuracy is off some,or more or less lube, speed of press stroke.If you check every case you know this and it is hard to get consistent,That is why they make a shell holder kit with varing thickness bases for that purpose.The press flex is not as repeatable , as when taken to a positive stop.The brass varies as you can feel the difference when sizing.
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  #14  
Old 05-12-2012, 12:34 PM
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Re: New to the Game. Need help with resizing issue!!

"You need to screw the die down a quarter of a turn at a time until the bolt closes reasonably."

Goodness. A quarter turn at a time? The full range of headspace, minimum to maximum, for bottle neck cartridges is usually around 6 thou. Turning any die down a single 1/4 turn potentially moves the shoulder almost 16 thou, nearly three times the full range. That's a MASSIVE die change, it's sure not a tweak. We need to adjust our dies to accomplish what we need, not follow some pre-set rule.

Ideas of reading and following sizing die set-up instructions to be sure to 'get it right' are hopeless; die makers can't possibly tell us how to accommidate the flex in every press ever made nor know the actual size of our chamber nor the degree of springback of our cases. Thus, written instuctions simply get us into the ball park, most of us will then need to do a few die tweaks with our own press to actually get it right for each chamber.

The most common cause of difficult chambering is failure to set the shoulders back enough. It's quite easy to fix and rarely requires any new dies. Getting a sizer adjusted right simply demands we 'turn and try' until the sized cases will fully chamber with no more than a touch of resistance. OR use one of the case 'headspace' measureing tools to set up the sizer. Either way, there is no need to set shoulders back any further than the longest fired length, they have expanded to fit the chamber and sprang back a thou or two already. And the shell holders made by Redding prevent excessive shoulder set back, they do NOT allow more set-back to provide easier chambering.

Given the normal case-by-case variations in brass springback, anyone striving to set a sizer for a certain length, plus or minus a thou, is going to quicky learn it can't be done; most shoulder springback will vary 2 or 3 thou. That's fine so long as the longest FL sized cases don't exceed the longest fired cases. Fergit any "averageing" in this, we have to chamber each round as it is, not by what the average shoulder length is.

Lubing inside a neck is to ease removal of the expander plug, not to prevent case stretch. It is rare for any dry expander to actually stretch a shoulder or neck, the soft/thin brass of the neck will easily give way to the expander long before the harder/thicker shoulder moves.
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