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Thread: DRO on a Grizzly 15" Planer (version 2 attached)

  1. #1
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    DRO on a Grizzly 15" Planer (version 2 attached)

    I ordered the T23012 DRO from Grizzly. They did not have a recommended DRO for the G0453Z so I decided to take one for the team. The reader mounted to the power switch post very nicely with a couple drilled and tapped holes.

    The readout is wired and has magnets on the back. I have some wiremold that I may use to protect the path

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    once I am happy with everything. It also comes with some brackets and a wall mounting sort of fixture so, pretty versatile in that respect. The one missing thing that Wixey has down cold is the calibration. On this build I jet left enough of the scale beam above the maximum height of the planer to allow calibration.

    This is just the test build so I will dress up the wooden block or maybe paint it black or whatever.

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    The readout allows you to change the change increment from 32's to 64's to 128's. I think 64ths should be fine but I'll report back after I make the thing a little more elegant.
    Last edited by glenn bradley; 09-04-2010 at 01:17 AM.
    Any sufficiently advanced technology is indistinguishable from magic.
    - Arthur C. Clarke

  2. #2
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    That is nifty. I was going to wrangle with the periscope issue using the Wixey on my Jet. I just may sell the Wixey and get the Grizzly.

    Dan Gonzales
    Whittier, CA, USA
    Dona nobis pacem

  3. #3
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    Very slick, Glenn. I suspect having a DRO on a tool like that can be addictive.
    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

  4. #4
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    Quote Originally Posted by Vaughn McMillan View Post
    Very slick, Glenn. I suspect having a DRO on a tool like that can be addictive.
    Too true I'm afraid. Like electric side mirrors on your car; required? No. Convenient as all get-out? Yep.
    Any sufficiently advanced technology is indistinguishable from magic.
    - Arthur C. Clarke

  5. #5
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    lookun forward to the final set up glenn,, got a wixey that was headed to my planer several years ago but its still in the box..
    If in Doubt, Build it Stout!
    One hand washes the other!
    Don't put off today till tomorrow!

  6. #6
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    Quote Originally Posted by larry merlau View Post
    lookun forward to the final set up glenn,, got a wixey that was headed to my planer several years ago but its still in the box..
    He He can you say slow or just havin to much fun doin the flat thing?
    "Forget the flat stuff slap something on the spinny thing and lets go, we're burning daylight" Bart Leetch
    "If it ain't round you may be a knuckle dragger""Turners drag their nuckles too, they just do it at a higher RPM"Bart

  7. #7
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    Super tool. It is obviously a large draft hoss compared to my G0505 which is a pony compared to yours.
    I do envy you that read out.
    "Folks is funny critters."

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

  8. #8
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    Version 2

    OK, I played with it enough to get it pretty well figured out. To compensate for the lack of a built in differential-type calibration mechanism like the Wixey spring-loaded bar . . . I'll get to that in a moment.

    I used a rare earth magnet while drilling to keep all the spoil out of the machine:

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    The holes in the switch post were done the same way:

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    Here's the basic parts:

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    To allow calibration I left at least 1/2" of unused scale beam above the thinnest setting that the planer can achieve. In my case about 3/16". Plane a piece of scrap and measure it with something reasonably accurate.

    Zero the sensor. Remove the screw that holds the sensor unit to the wooden doo-hicky that ties it to the planer bed. Raise the sensor up the scale beam till it reads the same as the thickness of your scrap measured with your "reasonably accurate" device (I used digital calipers to 2 decimal places in inches). Zero the sensor unit again.

    Lower the sensor till it reads the same as your "reasonably accurate" measurement in the opposite direction. Your sensor should now be back where you started but reading the thickness of your test piece as a positive instead of a negative.

    Replace the screw that ties the sensor to the wooden doo-hicky and make a few test cuts at other thicknesses checking the DRO against your calipers. Adjust a few thou here and there by loosening the screw and nudging the sensor as required. Once you are within reasonable accuracy . . . enjoy the DRO ;-)

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    P.s. the wooden piece has the bottom sculpted a bit to make it set correctly on the bumpy cast iron surface. In the pic it looks like it is not setting solid but it is quite solid.
    Last edited by glenn bradley; 09-04-2010 at 01:32 AM.
    Any sufficiently advanced technology is indistinguishable from magic.
    - Arthur C. Clarke

  9. #9
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    Glenn this is so cool. I think its time i did something like this for my DW735. That way i dont have to try bend over to read the lines on the standard ruler with out any paralax error.

    You done anthing DRO style for your jointer? Thats where my biggest issue with scale is.


    Glenn did you miss this on the wixey site.

    For others thinking of this check here if you want a wixey and wanna check if its been done on your machine.


    It just keeps on getting better. With Woodcraft the wixey is on sale till sept 25 including free shipping for $40 bucks round numbers. Best elsewhere is $50.
    Last edited by Rob Keeble; 09-04-2010 at 07:24 PM.
    cheers

  10. #10
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    Thanks Rob.

    Quote Originally Posted by Rob Keeble View Post
    Glenn did you miss this on the wixey site.
    I saw that but I just know that 7 months from now I'll forget and crank the planer beyond the Wixey's 6" limit and toast it. I have that one on my DW734 and that is where I got addicted.

    To the jointer question; I use the jointer to flatten surfaces so I slowly take off as much as is required to do that and then stop. Knowing precisely how much I am taking off isn't important to me due to how I use the machine. Knowing how much I am taking off with the planer using that flattened side as a reference is important to me. Different things are important to different folks . It just the way we are .
    Any sufficiently advanced technology is indistinguishable from magic.
    - Arthur C. Clarke

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