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Joined: Jun 2001
Posts: 3,317
Campfire Tracker
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OP
Campfire Tracker
Joined: Jun 2001
Posts: 3,317 |
I have a RCBS gauge for concentric measurement. When I put a case on it to check the case the amount of run-out is dependent upon the amount of pressure I put on the case to spin it. How do you know how much pressure to put on the case while spinning?
Rolly
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Joined: Dec 2013
Posts: 23,686 Likes: 1
Campfire Ranger
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Campfire Ranger
Joined: Dec 2013
Posts: 23,686 Likes: 1 |
I have a RCBS gauge for concentric measurement. When I put a case on it to check the case the amount of run-out is dependent upon the amount of pressure I put on the case to spin it. How do you know how much pressure to put on the case while spinning? Whatever amount makes it show the most concentric?
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Joined: May 2005
Posts: 1,827
Campfire Regular
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Campfire Regular
Joined: May 2005
Posts: 1,827 |
You have to figure out how to be consisted with your tough and spin speed. These tools need some brain power on the part of the owner.
Last edited by MickinColo; 02/28/24.
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Joined: Nov 2008
Posts: 8,662
Campfire Outfitter
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Campfire Outfitter
Joined: Nov 2008
Posts: 8,662 |
You have to figure out how to be consisted with your tough and spin speed. These tools need some brain power on the part of the owner. Zinger 👍👍
Last edited by Swifty52; 02/28/24.
Swifty
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Joined: Jul 2015
Posts: 126
Campfire Member
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Campfire Member
Joined: Jul 2015
Posts: 126 |
I look at it this way, it's no better than the most consistent you can make it with whatever level of pressure you decide to use.
I try to adjust it to minimize the pressure you are holding against, and also accept the fact I probably won't be able to spin it a full revolution - so try to get a good, solid half turn. Then do the other half.
Some guages are easier to use than others. The sinclair is my preferred.
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