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Rifles, Reloading, Optics, Equipment
Reloading
Calipers, micrometer, & dial indicator - one not like the others
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<blockquote data-quote="milanuk" data-source="post: 269127" data-attributes="member: 376"><p>The dial indicator is being used in a Sinclair case spinner jig - one of those little 'L' shaped brackets that holds a rod w/ a caliber-specific mandrel and when you slide the case in over the mandrel so it stops on the case mouth, a dial indicator should give you a reading of the neck thickness. More to the point, when you spin the case (gently) on the mandrel, the dial indicator should give an idea of how much variation in neck thickness a particular case has.</p><p></p><p>Basically a much older version (with no base) of their current rendition (shown below):</p><p></p><p><img src="http://www.sinclairintl.com/images/gold/full/59-1100.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>I don't think it was ever intended to replace a ball mike; I know that when I'm neck turning, that is the tool I rely on. I also know that there are some tools set up to make taking readings around the neck easier, with a micrometer instead of something as 'coarse' as a caliper or dial indicator, such as these two:</p><p></p><p><img src="http://www.sinclairintl.com/images/gold/full/09-900.gif" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p><img src="http://www.sinclairintl.com/images/gold/full/MIC-3.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>but for what I'm trying to do (sort a reasonably large number of cases in a timely fashion)... the spinner seems (seemed) like a better option. Granted, I've had it for years and haven't used it for several, but if the dang dial indicator isn't going to read at least somewhat close it severely undermines my confidence in the tool. </p><p></p><p>Looking at 'good' dial indicators from Mitutuoyo or Starrett they seem to run in the $125-150 range (this one cost like $20); at that point I would be very tempted to get one of the micrometer gauges shown above. Either that or figure some way to take the measurement with my NECO gauge; darned thing measures everything else known to man but I can't find a description of that particular setup in the manual.</p></blockquote><p></p>
[QUOTE="milanuk, post: 269127, member: 376"] The dial indicator is being used in a Sinclair case spinner jig - one of those little 'L' shaped brackets that holds a rod w/ a caliber-specific mandrel and when you slide the case in over the mandrel so it stops on the case mouth, a dial indicator should give you a reading of the neck thickness. More to the point, when you spin the case (gently) on the mandrel, the dial indicator should give an idea of how much variation in neck thickness a particular case has. Basically a much older version (with no base) of their current rendition (shown below): [IMG]http://www.sinclairintl.com/images/gold/full/59-1100.jpg[/IMG] I don't think it was ever intended to replace a ball mike; I know that when I'm neck turning, that is the tool I rely on. I also know that there are some tools set up to make taking readings around the neck easier, with a micrometer instead of something as 'coarse' as a caliper or dial indicator, such as these two: [IMG]http://www.sinclairintl.com/images/gold/full/09-900.gif[/IMG] [IMG]http://www.sinclairintl.com/images/gold/full/MIC-3.jpg[/IMG] but for what I'm trying to do (sort a reasonably large number of cases in a timely fashion)... the spinner seems (seemed) like a better option. Granted, I've had it for years and haven't used it for several, but if the dang dial indicator isn't going to read at least somewhat close it severely undermines my confidence in the tool. Looking at 'good' dial indicators from Mitutuoyo or Starrett they seem to run in the $125-150 range (this one cost like $20); at that point I would be very tempted to get one of the micrometer gauges shown above. Either that or figure some way to take the measurement with my NECO gauge; darned thing measures everything else known to man but I can't find a description of that particular setup in the manual. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Calipers, micrometer, & dial indicator - one not like the others
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