A set of Freud SD308 dado blades were included with my CL purchase of my BT3000. A year later, I finally got around to trying out the dado set for the first time. The first outside blade went on fine, the chippers went on ok too. But when it comes time to slide on the second outside blade, the blade would not go past the thread for the nut on the arbor no matter what I did. Does anyone else have experience with the Freud SD308 dado blades on BT3000? or can anyone shed some light on this situation? Thanks.
issues with Freud SD308 8-Inch Dados
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exactly true. The 8" dado set requires that one 1/4" spacer be left on the arbor to avoid the inside blade from hitting the housing whereas the 6" dado sets will go on with no spacers. The 8" set thusly can properly only go to 5/8" or so and the 6" set can go to a full 13/16.
If you want to put the 8" set on with full 13/16 width then you will
1. have the leftmost blade on the threads and setting lower cutting a uneven bottom
2, theres no room for the leftmost arbor washer which I suppose you can do without (I have) but its probably not a good idea.
Anyway that explains why I have both a 6" and 8" set, the 8" set having been purchased first.
I go into some depth on the dado situation in the FAQ (see sig line below) along with 100 other BT3 frequent questions.Loring in Katy, TX USA
If your only tool is a hammer, you tend to treat all problems as if they were nails.
BT3 FAQ - https://www.sawdustzone.org/forum/di...sked-questions -
Allow me to clarify, I'm not saying that I ran out of arbor room. I've read your other posts and completely understand. My issue is that the 2nd outside blade will not fit on the arbor even if there was room...as if the hole was cut slightly too small for the arbor.Comment
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ok, sorry i misread your question
Have you tried just putting on the 2nd blade alone? If it doesn't go on, then that blade is defective. A caliper would also reveal all. I find mine indispensible, they sell for under $20 nowadays for resolution of .001" and capacity of 6"
Would be bad if it were - Freud is generally known for pretty good quality.Loring in Katy, TX USA
If your only tool is a hammer, you tend to treat all problems as if they were nails.
BT3 FAQ - https://www.sawdustzone.org/forum/di...sked-questionsComment
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I have an Onsrud Dado set and an Oslin box joint set, both 8" and I've found that the clearance on the shaft is so tight that if I'm not careful I'll have one of the chippers slightly cocked, causing the outside blade to only go to the end of the threads.
I can't count the number of times I've had to remove everything back to the first blade and start over again, and your right, it makes the outside blade act like it's too small for the arbor, even by being off by couple of thousandths of an inch.
Good Luck!
DFComment
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If it's close, a little light sanding might help.Happiness is sort of like wetting your pants....everyone can see it, but only you can feel the warmth.Comment
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DF,
I'm not sure I follow your scenario. I take it that you mean that the chipper being cocked does not leave enough room on the arbor shaft for the outside blade. Unfortunately, I don't think that is similar to my situation. I have plenty of room on the arbor shaft to the thread. I would even have space between the outside blade to the chipper just prior to securing the outside blade if only the outside blade would get past the thread. Sorry if I sound convoluted. I hope you can visualize my problem. My point is that my chipper is not pushing the outside blade to the thread.Comment
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Any build-up on the inside of the blade to cause it to not fit? At the very least I would also try a fine sanding on the hole of the blade. As long as you're not too agressive it shouldn't get it out of balance.Comment
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