Case sticking on expander
Quote from Reloader on August 14, 2011, 11:17 pmJust changed over to reload my 10mm and the cases are sticking on the powder funnel and making the upstroke extremely hard. These are new cases but I have loaded new 9mm and not had this problem. Manual says to polish the funnel if there are streaks which there are. Any idea why this is so bad?
Just changed over to reload my 10mm and the cases are sticking on the powder funnel and making the upstroke extremely hard. These are new cases but I have loaded new 9mm and not had this problem. Manual says to polish the funnel if there are streaks which there are. Any idea why this is so bad?
Quote from Reloader on August 15, 2011, 3:19 pmThis is common with new brass. New brass is very rough from the impact-extrusion manufacturing process, and until it has been fired a couple of times, won't be as smooth as fired brass. Some brands are rougher than others initially, but this has nothing to do with the quality of the brass. It helps to tumble the brass a while first. Use steel wool or a scotchbrite pad to wipe the brass buildup off every 25-35 cases, to prevent brass buildup on the funnel.
This is common with new brass. New brass is very rough from the impact-extrusion manufacturing process, and until it has been fired a couple of times, won't be as smooth as fired brass. Some brands are rougher than others initially, but this has nothing to do with the quality of the brass. It helps to tumble the brass a while first. Use steel wool or a scotchbrite pad to wipe the brass buildup off every 25-35 cases, to prevent brass buildup on the funnel.
Quote from Reloader on September 1, 2011, 1:49 amhttp://www.starlinebrass.com/faqs.php?osCsid=260b9dfd7c4fd3f2e984eafb48ae8bd8 Why is it very hard to get expander and powder funnel back out of case?
There are two situations that create this problem. The first is one we have just recently identified. It seems to be associated with the dillon powder funnel and only a couple of calibers (45 Auto and 40 S&W). The land for expanding case mouth is too long and when you begin to bell mouth the bottom of expander gets into the thicker taper of case and wedges causing it to be very hard to get back out. We have modified several by increasing radius on end and slightly shortening expanding land and this eliminated the problem completely. Call Starline and we will take care of it if you wish. One other cause can be a burr at case mouth created by the final trim operation, which grabs onto expander as it comes back up. This situation does not often appear and can be fixed by deburring case mouth or inside lubing cases.
http://www.starlinebrass.com/faqs.php?osCsid=260b9dfd7c4fd3f2e984eafb48ae8bd8 Why is it very hard to get expander and powder funnel back out of case?
There are two situations that create this problem. The first is one we have just recently identified. It seems to be associated with the dillon powder funnel and only a couple of calibers (45 Auto and 40 S&W). The land for expanding case mouth is too long and when you begin to bell mouth the bottom of expander gets into the thicker taper of case and wedges causing it to be very hard to get back out. We have modified several by increasing radius on end and slightly shortening expanding land and this eliminated the problem completely. Call Starline and we will take care of it if you wish. One other cause can be a burr at case mouth created by the final trim operation, which grabs onto expander as it comes back up. This situation does not often appear and can be fixed by deburring case mouth or inside lubing cases.