Correcting Overcuts?


Grumbler in Training
Feb 22, 2005
Charlotte, NC
Help! I spent the better part of the day getting caught up on several matting projects I need to get done. It seems that no matter what I try differently I am still getting overcuts at the start and end of my cuts. I am using the production stops on my Logan 650 and have tried blade depth and check all stops. If I try and guessimate getting the cuts closer to each other, I will get the intersections not meeting. I have run out of ideas to correct this problem. Any suggestions?
I know this is going to sound sarcastic, and honest, I don't mean to be, but....

Practice, practice, practice!

Anyone here want to take a stab at explaining it? I'm good at showing, not writing the how-to..
CarolinaMoon,I am sorry if this sounds snobish but just what type of adjustments does a LOGAN have on it's production stops? It has been almost 16-17 yearssince i used one of those things.

The cutters i am familiar with C&H ,fletcher ,both have a knurl screw on both stops that allow you to fine tune the starting and stoping points to less than 1/32 of an inch.

However even with out stops you should ( with what gumbogirl suggested-practice,practice and more practice and accurately drawn linesat the intersections of the sides) be able to make cuts without ant overages.( the two cutters I mentioned also have small referance marks on their blade holders that give you a better concept of where the underside of the blades edge actually is from the top side. They come with operateing instructions , Didn't your logan?If not maybe you could contact Logan and have them send you a duplicate.
You are using the "green" (start) and "red" (stop) markings on the cutter head aren't you?

When using the stops, I only use the beginner for the first cut. Every other cut is started from the last cut line, as if it were a drawn line.

Do you have a problem with overcuts when you've drawn lines to cut by? Try drawing the lines and seeing if the stops line up with them.

The only real problem I have using the stops are when I've cut a whole bunch of the same thing, and I've "hit" the ending stop so many times, it has a tendency to move a bit if the screw is not REAL tight, causing an overcut on one end.

You say you're getting "caught up." Has it been a while since you've cut mats? Another thing I've found is that one can get out of practice pretty quickly if they're not careful. (Or at least, I do.)

For what it's worth, I hope this helps.

And another thing (I feel like Roseann,Roseannadana.) Use ONLY genuine Logan 650 blades. Using a "same as" only causes problems!

Thanks, Betty.
That was *much* more helpful than my reply!
I'm such a frame-geek when it comes to overcuts on mats...I usually embarrass my dining companions at restaurants with my scrutiny of mat and frame corners! It's just one of my pet peeves... :(

Since I find that different lines of matboard vary slightly in thickness (and often different series of mats within the matboard lines), I tend not to trust the stops on my cutter to be accurate 100% of the time. A lot of this DOES come with practice, practice, practice, but I usually make it a point to actually UNDERCUT the mat opening, and finish trimming it out by hand with a spare blade. That way I KNOW there is no annoying overcut to distract my eye from the finished product. Just my .02
Thanks all for the some good suggestions. I think the bottom line is practice, practice, practice.