Like just about everyone else, I just leave mine tensioned. If I don't, I know I will forget and turn it on when it isn't tensioned. I do release the tension anyway though when I have smaller (weaker) blades like a #2 or #3 installed.
Mike, that is what happened to me the other day; i started without tightening. Being a novice with the scroller, I wondered why it cut so poorly) I finally noticed the blade seemed a bit too wobbly ) ) Cut a lot better after that!! I tend to forget to release and to tighten.
I have a new appreciation for scrollers ability. Cutting those perfect radii time after time is a real talent! Looks to me like it is nearly impossible to take those intricate designs to the belt sander to clean up the lines
Most of the time I either take the blade out or leave it tensioned. If the is no blade in the machine no one can use it or accidentally turn it on and get cut. I worry about that. I checked my manual (hitachi) and it didn't say anything about leaving blades tensioned.
when I am working on a project with lots of inside cuts, leaving the blade un tensioned works, when I come back to cutting my first cut will need to have the blade put in a hole. When I am cutting things that don't require inside holes it is nice to have a blade ready to go.
I have to agree with Rich. I release the tension on my BS but not on my scrollsaw, it's straight no tires to flatten out,The BS is always changing it's shap in a way, because it is turning, which in my mind it is bending more than a straight blade and kust moving up and down. It does move from side to side. But I don't think it does as much as a BS does.
Topamax and others
if you take an old model like a frame saw , you always release the tensension
on the the saw and take the stress moment out of the blade
and tensioned it again when you are going to use it
I have seen a blade that was tensioned a ½year and you cuoldn´t use the saw
after that becourse the blade behaved like there was not enoff tension on it,
it wrickle ,wrackle and woble the hole time we try :-(
we controled the length of the blade with a simular one and it was a little longer
not much but it was longer
I have quite literally left the blade tensioned on this particular model for years with NO ill effects. Besides, blades are so cheap that you really should put a new one in at the beginning of each new project anyway. IMO, don't over think this, it is a non-issue. Hail, I didn't even remove the rust off the SS table for the first +15 years, just WD-40'd it once in a while. Still runs like a champ.
I'm like everyone else. It stays under tension unless the last thing I was doing was cutting inside a piece. Then I pull it out of the piece and leave it loose until the next job determines the blade I need to use.
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