neck reaming

I looked and you posted picture of the cutter. The doughnut is not at the start of the neck it's at the end so cutter doesn't reamer inside of neck.
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I'm a bit confused too--if cutter isn't reaming the neck on the way in to where the donut is--and the area is cut to the same dimension as the neck ID--how can the cutter NOT be reaming the inside neck?:confused:
 
I'm a bit confused too--if cutter isn't reaming the neck on the way in to where the donut is--and the area is cut to the same dimension as the neck ID--how can the cutter NOT be reaming the inside neck?
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StagPanther, anything is possible if you give them a key board. There was a time I claimed I had chambers that formed donuts, all I had to do was chamber a round and pull the trigger I also said I form cases with donuts without firing them. I also said most donuts form by mistakes. And then there was that group that chased the donut out and then in and out again :confused:

And then there were the cases I formed for a smith that was having trouble with case head separations on a wildcat. The necks closed off meaning there was no hole in the neck, I formed 20 of them. All he had to do was tell me which case chambered. Had he understood the instructions I was going to form his cases for him, I also knew if he could use the cases that is exactly what he would do.

He had over 50% case head failure and was happy with that.

So it can be explained donuts are formed by mistakes, and that leaves the donuts that form by design, they form when I pull the trigger. That one will never be explained because no one will shut-up long enough to discuss it.

F. Guffey

F. Guffey
 
I thied a neck reamer one time, Forester in 6.5 for my 6.5x06. Only one I've ever had. Found out real quick, don't ream the neck on a case just out of the sizing die. Guaranteed the bullet's will fall right into the case! I think I saw a Lee reamer that was really interesting. The case is run into a die and with the case in the die, a reamer is run down inside the neck! I've though about one but decided I really don't need one in the first place!
 
You think:

I think I saw a Lee reamer that was really interesting. The case is run into a die and with the case in the die, a reamer is run down inside the neck! I've though about one but decided I really don't need one in the first place!
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You did, you saw a Lee Target Model die set, if the neck sizer did not reduce the outside diameter of the neck the reamer did not touch the inside of the neck. All of this happened before neck tension, all they had in those days was bullet hold, or interference fit or crush fit.

And now they have tension this and tension that, I am the fn of bullet hold, I want all of the hold I can get.

F. Guffey
 
I decided to get it straight from the horse's mouth, so to speak--and yes the pilot cutter DOES NOT perform a reaming function--it's specifically for donut removal (where are the police when you need them right?;)) So I asked--in other words the pilot is not set to the same OD tolerance as a reamer would be--and was told yes. So I guess a Wilson rig is the next investment:rolleyes:
 
No one considers outside neck support when reaming necessary with one exception.

The cutter on the end of the tool you are referring to is the same as the cutter on the reamer but the reamer pushes outward on the case neck when reaming, the tool with the cutter on the end acts as a guide for the cutter.

F. Guffey
 
I've been looking at the Ultimate model plus a Foster model. Let me know your thoughts on the Wilson SS trimmer once you try it out. I really like their design.
 
I've been looking at the Ultimate model plus a Foster model. Let me know your thoughts on the Wilson SS trimmer once you try it out. I really like their design.
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It really came down to the cutting reamers, and the fact they can be swapped out for trimmers on the same rig. Those reamers aren't cheap though--about $40 a pop

My barrel for my build probably won't come in for a month or two, so I have time to experiment with making 284 win brass. Here's batch I just did--the right half in the tray are factory winchester 284 win brass--very attractively priced at about half what norma, the only other alternative I could find is priced at. The left half is hornady 6.5 x 284 which I simply necked up with the resizing die.

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The K&M expander mandrel which goes on the press was invaluable in getting both types of brass to fit the cutting pilot on the tool. The winchester brass unfortunately has a lot of machining/forming chatter inside the neck--the expander smoothed most--though not all--of that out; there is still a need for a reamer as far as I can tell even though it is factory fresh. There was no donut formation in the necked-up brass (just from resizing)--however there was some unevenness in the neck wall--the expander seemed to take care of that. Neck wall thickness is consistent in both--but there is a subtle difference in neck tension upon seating a bullet, which I would expect.
 

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After trimming TAC6 brass on my Hornady trimmer, I finally said enough is enough and ordered from Brownells the Sincliar/Wilson Ultimate trimmer. The Hornady will be relegated for neck reaming.
 
The wilson reamers looked to be about the best from what I studied--but they aren't cheap. I should be getting the trimmer and reamers in this week--so I'll soon find out. When I revisit my 6mm predator cases I'll see about having to turn/ream the necks since I necked them all down from grendel brass.
 
I was sorting cases by length, the sorting started when determining what cases required trimming. It was not scary but the devise allowed me to sort cases as fast as I could pick them up. If I ever have a need for fast sorting I can put the tool back together.

F. Guffey
 
I was sorting cases by length, the sorting started when determining what cases required trimming. It was not scary but the devise allowed me to sort cases as fast as I could pick them up. If I ever have a need for fast sorting I can put the tool back together.
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I assume you checked their headspace first?


(sorry, couldn't help myself):D
 
Just realized some of my wildcats may not work with the Wilson trimmer. For my 270AR, it's a necked up 6.5x47 wildcat. Since necked up, don't think it will fit through the neck portion of the caseholder. But I found a post on another forum where Wilson will machine a case holder for a wildcat for $22 (+$9.50 for shipping) when you send 3 cases to them. So I'll need to use the service for my 270AR plus my TAC6 (6mm 6.8 Wildcat).
 
Just realized some of my wildcats may not work with the Wilson trimmer. For my 270AR, it's a necked up 6.5x47 wildcat. Since necked up, don't think it will fit through the neck portion of the caseholder. But I found a post on another forum where Wilson will machine a case holder for a wildcat for $22 (+$9.50 for shipping) when you send 3 cases to them. So I'll need to use the service for my 270AR plus my TAC6 (6mm 6.8 Wildcat).
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I haven't received my unit yet--but if all you are doing is trimming the case (not turning or reaming) what difference does the case type make?
 
If necked up, opening for the neck wouldn’t be wide enough. At least that what I’m thinking not having seen one of the case holders. But, I sent a message to Wilson and got this response back:

Hello, yes that is correct. Cost is $22 each plus shipping of about $8.50 for US Mail. Please ship cases to our address listed on our website along with contact info so we may arrange payment when complete. Put a note asking for a special case holder in your package.
Thank you
Email us at orders@lewilson.com
Or
Support@lewilson.com
 
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