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Adjusting the cutting head on a Giraurd

Walt K

Sergeant
Full Member
Minuteman
Jun 17, 2008
218
28
Clinton Twp. MI
Hello Members

I recently acquired a Giraurd trimmer. The unit works excellently.
But, to me it looks as though it chamfers the inside of the neck a bit too
much and a bit not enough on the outside. I plan on adjusting the cutter head.
As anyone had this experience also and adjusted the cutter head?
 
When you get yours set, can you put it on youtube or something? I will be getting mine in Feb and will most likely need to know the same thing.
 
You will receive a properly trimmed case with the trimmer and can use that to make adjustments. If you are using bushing dies you may need to adjust the cutter depending on the size of the bushing. In my initial case prep I expand the neck for turning which required adjusting the cutter a small amount. Not only is the trimmer fast and accurate but I really like that it indexes off the shoulder which results in uniform neck length. Best way to check neck length when setting up trimmer is with a case gauge. I file an index mark into the shell holder on the trimmer for future set up if you are changing out calibers.
 
It's frustrating to make small adjustments to the cutter, mostly because it tends to move a little when you tighten the set screw that holds it in place. I bought cutter heads for .22, 6mm, 6.5mm, 7mm, & .30 cal to cover the range of cases I load.

The 6mm cutter sees a lot of use, since it covers 6BR, 6 Dasher, 6x47, 6XC, & 243. After trying to fine-tune the cutter a couple of times, I decided that as long as it's not leaving a burr on the outside of the case mouth, it's g-t-g.
 
I looked at the paperwork again and it seems the finish on the outside is planned, but is not the main goal. I think as long as there is no burr on the outside, they are good to go.

I have never changed the cutter head, so I really don't know much about this. My wife ask me one day if I were to only mess with one cal., what would it be. I told her 308 and don't you know she bought this for me. This thing is the real deal for me.
 
I set the die or whatever you would call that further than it has to be in on a case that has not been prepped. I line it up with that and tighten in down. i then check it on a case that is really long and keep cutting it down and adjusting. I typically get it before I am below the trim length.

I switch mine multiple times a day.
 
I hand chamfer a case inside and out so it's just like I want it. Then I push this down to align the cutter head and tighten the cutter head set screw. If you have hand chamfered the case evenly, it will align the cutter head evenly. Then you can adjust the depth of the aligned cutter head. I think I learnt this via trial and error, or from talking to Doug so many years ago I don't remember. YMMV.
 
I hand chamfer a case inside and out so it's just like I want it. Then I push this down to align the cutter head and tighten the cutter head set screw. If you have hand chamfered the case evenly, it will align the cutter head evenly. Then you can adjust the depth of the aligned cutter head. I think I learnt this via trial and error, or from talking to Doug so many years ago I don't remember. YMMV.

Thank you. That's exactly what I was thinking.
 
+1 on buying multiple cutter heads . Little pricy but if you do multiple calibers it's worth it. I have .22 , 6mm , 6.5, .270, 284, .308 and 338 takes about a minute to change the cutter head. Few extra dollars but you spent money for the best what's a few more $ ?