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Grobet - Pegas Scroll Saw blads
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Old 11-22-2009, 01:39 PM   #1
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Question What blade for 3/4 oak plywood?

I'm looking to cut some letters out of 3/4 inch oak plywood and was wondering what blade to use. I have a FD variety pack and mainly use the SR#3 and SR#5 blades. Those work ok, but I do have control problems. I did just read another post on this and will try some of the suggestions in there. I've been playing with the tension and I can still move the blade more than 1/8 of an inch. If I tighten it more, the blades will break. I have a delta 40-540 saw.

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Todd
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Old 11-22-2009, 02:45 PM   #2
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Todd sent me an email and I have replied to that.I told him that there is no reason to break blades with good tension, if not you loose control over the blade.The FD-TC is a good blade to cut plywood. I told him that a # 7 maybe would be bettter. Mike
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Old 11-22-2009, 03:58 PM   #3
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Mike, I sent you a PM with a question - did you get it? I would have used the "Send me email" button on your homepage if I had my computer set with an email program, but I prefer using webmail (hotmail). Looking forward to hearing from you - so I can use my card...
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Old 11-22-2009, 04:43 PM   #4
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Todd,
I don't know how fine your cuts are but when I cut 3/4 or thicker oak my go to blade is an Olson #9 dbl skip tooth PGT. Cuts like hot butter and leaves a great finish.
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Old 11-22-2009, 04:56 PM   #5
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The cuts aren't too fine. I'm cutting the letters to spell PEACE. The smallest letter is about 5 inches high.
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Old 11-22-2009, 05:25 PM   #6
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I have taken to using Seyco's Platinum series blades almost exclusively for all of my cutting. I can stack cut three stacks of 1/4 inch plywood panels with a no. 5 blade and still use the same blade to cut 3/4 inch oak with no burning or any difficulty. Then I still go back to cutting plywood with the same blade. Even after it dulls down some it is still great for single 1/4 inch panels. I normally use the same blade for 10 or 12 different projects, sometimes more. Just yesterday I used a no. 7 on some 7/8 oak and it was like cutting a 1/4 inch panel. No burring, no burning, and extremely smooth.
I still like FD blades for some projects and keep a goodly supply on hand, but when it comes to hard, thick wood I always reach for the platinum blades from Seyco.

Bubba
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Old 11-22-2009, 10:59 PM   #7
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Id use a FD-TC #5 myself. Your issue is more of something with your saw or technique though if you are breaking blades when its tight enough to use.
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Old 11-23-2009, 03:49 PM   #8
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Todd, I agree with Dale. Too much tension will pull the blade out of the clamp before it will break the blade. Does the blade break while sawing? Dull blades will break, pushing sideways on the blade will break them. Too little tension will break them.
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Old 11-23-2009, 05:08 PM   #9
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Ivar, Please call me at 605-582-6732.Mike
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Old 11-23-2009, 07:25 PM   #10
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I was doing some cutting today and did actually break a blade (twice actually). Most of the time when I think the blade breaks, it actually slips out of the top clamp. It was better today, even though I did break two blades. I lost my concentration both times when it happened. I slowed down my feed rate a lot and things went much better. I just find my vision getting worse the longer I'm running the saw and moving things that slowly.
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