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Posted: 10/24/2012 4:44:12 PM EDT
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I've been working on getting my Dillon trimmer set up and ready to run 3000 rounds of 223 that is about ready to go. However I've been trying to get the trimmer setup and I keep running into an issue.
It seems on trimming that most of the brass isn't being cut but simply being folded into the case neck. The case on the left is fresh out the Dillon trimmer, the case on the right has not been trimmed. 
This gives me a measurable difference in the thickness of the case necks. Fresh out of the Dillon trimmer: 
Untrimmed: 
Obviously I am doing something wrong in the setup, but I've spent the last two days googling, reading, and tweaking and for the life of me I can't find an answer or get it to trim in a reasonable manner. My wife called Dillon last week and talked to them, they suggested the issue was a worn cutter so we replaced the cutter with a brand new one but the problem followed. I currently run an RCBS universal decapper die in station #1, station #2 is empty, I've tried the trimmer in station 3 & 4 with the locknut on top of and below the tool holder, and I would like an RCBS expander in station #5, (with the trimmer in station #4 I can't have the expander in station #5 as there simply isn't enough space). What suggestions might you have? I am hoping to get this fixed so I can spend election night calmly sitting behind my press rather than screaming at my TV. Semper Fi |
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Post a pic of the cutter, preferably both sides.. the cutter should have dots on it to note edge 1, 2 , or 3..
Looks like it may possibly have cutter with wrong :rake" on it. I brought home a brake lathe bit from our AMMCO, rake was wrong and gave similar effect. |
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Quoted:
i would check to see if you motor is spinning the wrong direction. i have heard of this happening don't remember the fix. from the pics the blade appears to be installed correctly; but it damn sure looks like it's rolling over the edge like the cutter is spinning the wrong direction. flip the cutter over and see if that makes a difference. |
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i would check to see if you motor is spinning the wrong direction. i have heard of this happening don't remember the fix. from the pics the blade appears to be installed correctly; but it damn sure looks like it's rolling over the edge like the cutter is spinning the wrong direction. flip the cutter over and see if that makes a difference. I'd flip the cutter over but it won't fit in the trimmer then, (the sides of the cutter are beveled and it will only mount one way on the shaft). Semper Fi |
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Somebody replaced the bit.. likely the rake is wrong..
Get a new bit from DILLON, or a bag of bits "HERE",, I would buy 2 bit from you to offset some of your cost. |
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Quoted:
Somebody replaced the bit.. likely the rake is wrong.. Get a new bit from DILLON, or a bag of bits "HERE",, I would buy 2 bit from you to offset some of your cost. That is a new bit direct from the fine folks at Dillon... Semper Fi |
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Somebody replaced the bit.. likely the rake is wrong.. Get a new bit from DILLON, or a bag of bits "HERE",, I would buy 2 bit from you to offset some of your cost. That is a new bit direct from the fine folks at Dillon... Semper Fi did you check the rotation of the motor? is it spinning the right direction as in toward the cutting edge or as you are looking at the shaft counter clock wise |
| YAY! I (his wife) was able to test the motor rotation today. It rotates clockwise meaning the cutting blade is backwards for this motor. I was then able to finagle it so it would thread ok, Lastly, I talked to Peter at Dillon and received instructions on how to reverse the motor direction of rotation. It is simple, actually. We should be up and running, cutting on the press tonight! |
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Quoted: YAY! I (his wife) was able to test the motor rotation today. It rotates clockwise meaning the cutting blade is backwards for this motor. I was then able to finagle it so it would thread ok, Lastly, I talked to Peter at Dillon and received instructions on how to reverse the motor direction of rotation. It is simple, actually. We should be up and running, cutting on the press tonight! Please share the "fix", I'm sure others are curious also. |
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Quoted:
YAY! I (his wife) was able to test the motor rotation today. It rotates clockwise meaning the cutting blade is backwards for this motor. I was then able to finagle it so it would thread ok, Lastly, I talked to Peter at Dillon and received instructions on how to reverse the motor direction of rotation. It is simple, actually. We should be up and running, cutting on the press tonight! Congratulations! 
Curious how to reverse the motor too, just in case this ever comes up again. 
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I believe that if you remove the 2 long screws that hold the motor together and rotate the top end of the motor 180 degrees and reinsert the 2 screws that you will reverse the rotation. This is correct. Peter at Dillon said exactly this, but added a caveat: Do not lift up the power-plug end of the trimmer more than about 3/8" after removing the body screws, as the motor brushes are under spring tension. |
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Holy Crap! That trimmer is freaking sweet!
About 1K 223 brass decapped, sized, and trimmed in an hour. It would have taken me less time but I had to rotate "case feeders" as they each wanted their turn helping, (three kids, 10, 9, and 8). The trimming process was what always kicked my butt, even with my RCBS Trim Pro it was still a long process and you had to handle each case. Now I just have to wait for my stainless steel media to show up and it's off to the wash plant for those cases and they will be ready to prime. Thanks for all your input and help! Semper Fi |
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Quoted:
Quoted:
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i would check to see if you motor is spinning the wrong direction. i have heard of this happening don't remember the fix. from the pics the blade appears to be installed correctly; but it damn sure looks like it's rolling over the edge like the cutter is spinning the wrong direction. flip the cutter over and see if that makes a difference. I'd flip the cutter over but it won't fit in the trimmer then, (the sides of the cutter are beveled and it will only mount one way on the shaft). Semper Fi beats the hell out of me man; short of yours running backward I couldn't guess what the issue is. ETA: seen your post where you got it running |
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Quoted:
Quoted:
I believe that if you remove the 2 long screws that hold the motor together and rotate the top end of the motor 180 degrees and reinsert the 2 screws that you will reverse the rotation. This is correct. Peter at Dillon said exactly this, but added a caveat: Do not lift up the power-plug end of the trimmer more than about 3/8" after removing the body screws, as the motor brushes are under spring tension. Yeah, good point. I forgot to mention the brushes and how they are under spring tension. If you happen to seperate the parts of the motor too far, the brushes are liable to slide off the end of the commutator. If that happens, just pull off the brush caps, remove the springs and brushes, reassemble the motor and then reinstall the brushes, springs and caps. |
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