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Thread: rough saw cut

  1. #1
    Join Date
    Sep 2007
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    Boca Raton FLorida
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    101

    rough saw cut

    I just replaced my stock blade with a new one from forrest. I'm still getting the same hash marks on the stock that I previously blamed on the original blade. I have a minimax cu300 smart combo. I get the marks on both sides of the blade. It doesn't matter if I use the slider or the rip fence. I can go down the street to a friends house with a benchtop saw and get a better cut. It's very disappointing to spend this kind of money and not get a better cut. Thanks for any help. Here a couple of pictures to hopefully help. Minimax has been great to me but they don't seem to have a fix for this problem. The top pic came off the slider if that helps.


  2. #2
    Join Date
    Nov 2006
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    Mountain Home, Arkansas
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    11,833
    Whoa...sumptin's not right. I get much cleaner cuts with my 15 year old $89.00 Delta TS and original blade. Let us know when you get a solution.
    "Folks is funny critters."

    Think for yourselves and let others enjoy the privilege to do so, too. ~Voltaire

  3. #3
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    Apr 2007
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    No, not all of SoCal is Los Angeles!
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    I just ran this 7/4 beech (top surface in the pic) through my C-man with a 24T Irwin blade. I would check your setup as you reported multiple blades with the same problem.
    Attached Thumbnails Attached Thumbnails rip-cut-2.jpg  
    Any sufficiently advanced technology is indistinguishable from magic.
    - Arthur C. Clarke

  4. #4
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    Sep 2007
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    Boca Raton FLorida
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    I'm jealous of the cut quality. I have checked the runout of the arbor and nut and they are 0. I also checked the forrest woodworker II 40 and it is .001. I agree that something else is wrong since it is with 2 blades. I don't know how to check to make sure the slider is square with the blade. If I pull the slider all the way back and measure it to the blade and then push it all the way forward and measure to the same spot on the blade that measurement should be the same, right? I hate to start turning screws and make things worse.

  5. #5
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    Oct 2006
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    Quote Originally Posted by Gene Miller View Post
    Minimax has been great to me but they don't seem to have a fix for this problem.
    What have the Minimax reps done?
    Did it cut like this from the very get-go? If yes, seems to me they owe you a house call or a new product.

    Ken
    If you're not part of the solution, you're part of the precipitate.

  6. #6
    Join Date
    Nov 2006
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    Brentwood, TN
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    If you are getting a rough cut on both sides of the arbor then you either have a warped blade (unlikely since you've had this with two different blades) or as previously stated some slop in your arbor that essentially causes your blade to act as a wobble dado. A check with a micrometer or similar gauge would confirm or delete this possibility from the above. Another way to check would be to cut a kerf into a piece of wood and try and see how much larger than the blade the kerf is. If it more than a few thousands of an inch, then you have a arbor runout problem. MM is famous for their customer support, I'd be testing them on that...
    Member; Society of American Period Furniture Makers

  7. #7
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    Nov 2006
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    A way to check your sliding table that's simple is to cut a sheet of plywood about 4" long then flip the piece front to back and rip off a 1" wide portion from the same side. If it's the same width at both ends then your table is ok...
    Member; Society of American Period Furniture Makers

  8. #8
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    Sep 2007
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    Boca Raton FLorida
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    101
    Ken to answer your question, yes it has cut like this since I received it. They tried to help over the phone but their solution didn't fix the problem. I did go through the saw with everybodys help and both the slider and the rip fence were out. Way out. Since I don't have a fixed miter slot I wasn't sure what to check the alignment with. I ended up using the blade and then rotating it so I could get the same measurement. I really wanted 2 points further apart so I could get it as accurate as possible. The rip was off by 3/16. I guess these are things to check when new but as I am also new at this I didn't know. The slider is a little more difficult to adjust but I kept going until the cut was clean. Now I have to check to make sure that I will end up with a square piece on the slider. That will have to wait until I can stop by orange and get a piece of ply. Thanks for all the help.

  9. #9
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    From the look of the pictures you posted, it looks to me like the blade is not square with the rest of the saw's world. I don't know how to tell you to adjust it, since I've never set up a slider, but there are a few other guys here who have a lot of experience with them. They should be able to help you get things straightened out.

    Tod Evans, please pick up the white courtesy phone.
    When the going gets weird, the weird turn pro. - Hunter S. Thompson
    When the weird get going, they start their own forum. - Vaughn McMillan

    workingwoods.com

  10. #10
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    Quote Originally Posted by Gene Miller View Post
    I hate to start turning screws and make things worse.
    I know your getting a lot of response here but not really an answer. I'm as inexperienced as the next guy who has never had a slider. I hear Minimax has a user forum and MM owners speak highly of it . . . I think this is the way to the MMUG - http://finance.groups.yahoo.com/group/MiniMax-USA/ and maybe they can assist. I've heard other owners say that MM makes house calls for troublesome issues. I think your's should qualify. I hate to see you frustrated with such a beautiful machine.
    Any sufficiently advanced technology is indistinguishable from magic.
    - Arthur C. Clarke

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