Small primers not removed
Quote from Reloader on August 3, 2011, 4:10 pmI've had a problem that only recently seems to have become an issue with my 550B. I'm reloading 9mm and when I go to push the primer into the newly sized shell, I run into resistance. After examination, I find the used primer was not pushed out by the decapping pin.
This seems to always happen with CCI primers (but not all CCI fail) and seems to now have a frequency of about 10 per 100 (mixed brass). In observing the machine when this failure occurs, I've not recognized any kind of problem with the action of the sizing die. The decapping pin assembly rises briefly and then the spring forces it back down. Sometimes the primer is pushed part way out while other times it appears to be bulged in the center. I've tried switching decapping pins and resetting my sizing primer but with no improvement.
As you might imagine, this is frustrating and very disruptive to a nice loading pace. Ideas?
I've had a problem that only recently seems to have become an issue with my 550B. I'm reloading 9mm and when I go to push the primer into the newly sized shell, I run into resistance. After examination, I find the used primer was not pushed out by the decapping pin.
This seems to always happen with CCI primers (but not all CCI fail) and seems to now have a frequency of about 10 per 100 (mixed brass). In observing the machine when this failure occurs, I've not recognized any kind of problem with the action of the sizing die. The decapping pin assembly rises briefly and then the spring forces it back down. Sometimes the primer is pushed part way out while other times it appears to be bulged in the center. I've tried switching decapping pins and resetting my sizing primer but with no improvement.
As you might imagine, this is frustrating and very disruptive to a nice loading pace. Ideas?
Quote from Reloader on August 4, 2011, 3:31 pmDo you lube your brass? And is the resizing die seated @ the right length to deprime and resize
the brass?
Do you lube your brass? And is the resizing die seated @ the right length to deprime and resize
the brass?
Quote from Reloader on August 6, 2011, 6:44 amHi there, I too am having this problem with my 550B. Happens for both 9mm and 38Spl. Also using CCI primers. Failure rate is about 10-15 per 100, very random however. I do lube my cases and have fiddled with the die repeatedly trying to fix it. How far can you screw it down before it is too far? Strange everything was sweet, then all of a sudden it started playing up.
I thought perhaps I am not cleaning the brass for long enough. How clean is clean? Also the cases have been sitting on the shelf for a couple of months prior to me starting to re-load this batch since they were cleaned. Could this be causing it to happen? Is it better to clean your brass and then re-load ASAP in one go?
Hi there, I too am having this problem with my 550B. Happens for both 9mm and 38Spl. Also using CCI primers. Failure rate is about 10-15 per 100, very random however. I do lube my cases and have fiddled with the die repeatedly trying to fix it. How far can you screw it down before it is too far? Strange everything was sweet, then all of a sudden it started playing up.
I thought perhaps I am not cleaning the brass for long enough. How clean is clean? Also the cases have been sitting on the shelf for a couple of months prior to me starting to re-load this batch since they were cleaned. Could this be causing it to happen? Is it better to clean your brass and then re-load ASAP in one go?
Quote from Reloader on August 8, 2011, 4:44 pmIt sounds like the spent primer is sticking to the end of the decapping pin and getting pulled partway back up into the case. Use medium grit sandpaper to round off any sharp or square edges so primers won't stick on the end of the pin.
It sounds like the spent primer is sticking to the end of the decapping pin and getting pulled partway back up into the case. Use medium grit sandpaper to round off any sharp or square edges so primers won't stick on the end of the pin.
Quote from Reloader on August 11, 2011, 12:59 pmI do lube my brass and had set the sizing die per instructions (to just touch the base plate). I too had never had this problem prior but it suddenly has become a real pita. My wife had a squib round last night, which is likely caused by me trying to recover from one of these failures. I'm now further motivated to get to the bottom of this.
I've tried moving the sizing die down further (quarter turn at a time) and am now down ~1 turn further than my original adjustment. I tried a different decapping pin and tried sanding the end of my decapping pin. This *always* fails with CCI primers but all CCI don't fail.
On top of everything else, what has me puzzled is why this is suddenly such an issue when I've loaded thousands of rounds before it happened the first time. In my run earlier this week, I was getting about 10-12 / 100 rounds that failed in this way.
Because of this problem, I'm probably averaging only about 300 rounds per hour from the press...which isn't cutting it.
I do lube my brass and had set the sizing die per instructions (to just touch the base plate). I too had never had this problem prior but it suddenly has become a real pita. My wife had a squib round last night, which is likely caused by me trying to recover from one of these failures. I'm now further motivated to get to the bottom of this.
I've tried moving the sizing die down further (quarter turn at a time) and am now down ~1 turn further than my original adjustment. I tried a different decapping pin and tried sanding the end of my decapping pin. This *always* fails with CCI primers but all CCI don't fail.
On top of everything else, what has me puzzled is why this is suddenly such an issue when I've loaded thousands of rounds before it happened the first time. In my run earlier this week, I was getting about 10-12 / 100 rounds that failed in this way.
Because of this problem, I'm probably averaging only about 300 rounds per hour from the press...which isn't cutting it.
Quote from Reloader on August 12, 2011, 1:32 pmI went back and tried sanding the end of the pin a little more aggressively than previously. In this case I changed the square edge at the end of the pin to a slight beveled "shoulder". It worked! At least, through 250 rounds I've had ZERO re-occurrences.
The only thing that baffles me is why this suddenly cropped up as an issue after thousands of rounds loaded (and a few different decapping pins).
Regardless, Thank You!
I went back and tried sanding the end of the pin a little more aggressively than previously. In this case I changed the square edge at the end of the pin to a slight beveled "shoulder". It worked! At least, through 250 rounds I've had ZERO re-occurrences.
The only thing that baffles me is why this suddenly cropped up as an issue after thousands of rounds loaded (and a few different decapping pins).
Regardless, Thank You!
Quote from Reloader on August 17, 2011, 4:08 pmI went back and tried sanding the end of the pin a little more aggressively than previously. In this case I changed the square edge at the end of the pin to a slight beveled "shoulder". It worked! At least, through 250 rounds I've had ZERO re-occurrences.
The only thing that baffles me is why this suddenly cropped up as an issue after thousands of rounds loaded (and a few different decapping pins).
Regardless, Thank You!
I went back and tried sanding the end of the pin a little more aggressively than previously. In this case I changed the square edge at the end of the pin to a slight beveled "shoulder". It worked! At least, through 250 rounds I've had ZERO re-occurrences.
The only thing that baffles me is why this suddenly cropped up as an issue after thousands of rounds loaded (and a few different decapping pins).
Regardless, Thank You!