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Thread: Dampsanding with 3" Griot's Garage Mini Polisher

  1. #31
    Senior Member JustJesus's Avatar
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    Re: Dampsanding with 3" Griot's Garage Mini Polisher

    Quote Originally Posted by Dandy98 View Post
    Mike.. if you have a proflomiter handy I would like to see the results of depth of scratch with such and aggressive orbit and pad.Then follow with a finer grade. Measure again but this time get the RMS.
    ...

    Also with the coarser scratch I would have to believe that you are removing more clear coat.

    But I'm always willing to learn something new.
    I did such a test, but used a paint thickness gauge. And yes, clear coat IS removed.

    Here are the readings I took from my test panel. It was 3 light section passes using 1000 grit, followed by 1 section pass of 2000 grit, then followed by 1 section pass of compound. (Microns on left section, and mils on right section)

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  2. #32
    Director of Training Mike Phillips's Avatar
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    Re: Dampsanding with 3" Griot's Garage Mini Polisher

    Quote Originally Posted by Dandy98 View Post

    Mike.. if you have a proflomiter handy I would like to see the results of depth of scratch with such and aggressive orbit and pad.
    Don't have one...

    But the below is correct...

    Quote Originally Posted by JKDesign View Post

    The Griot's 3in machine has a 5mm orbit.

    Most pnuematic DA sanders for the collision industry are 3/16 to 5/16 orbit. That 5mm orbit lies very close to the 3/16. 1mm=.039in, 1/16in=.0625in
    The Griot's 3" Polisher is NOT an aggressive sander.

    It's perfect for people to learn machine sanding on and in my opinion perfect for machine sanding thin panels and close to body lines.


    With the 3M Trizact and Mirka Abralon discs it's an awesome tool.


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  3. #33
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    Re: Dampsanding with 3" Griot's Garage Mini Polisher

    Thanks for the info. The details about a 5MM orbit being closer to 3/16 " make sense now. I stand corrected. Like a plumber who cant fix a leak ! I still would encourage a soft interface pad. I learn something every day !

  4. #34
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    Re: Dampsanding with 3" Griot's Garage Mini Polisher

    Now that my curiosity is up I am going to test both on a factory clear , measure RA and RMS. Using AO and SC. Ill look in my bag tomorrow and start the tests later this week. Ill keep you posted. Also the data supports my above claim that it could eat through the clear and it did.

  5. #35
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    Re: Dampsanding with 3" Griot's Garage Mini Polisher

    Great test... I like data... it really did get through the clear which is what I suspected.

  6. #36
    Senior Member JustJesus's Avatar
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    Re: Dampsanding with 3" Griot's Garage Mini Polisher

    Quote Originally Posted by Dandy98 View Post
    Great test... I like data... it really did get through the clear which is what I suspected.
    If you're referring to my post, burning through the clear coat was done on purpose. I was trying to see just how much force and/or passes it would take to get there. For that panel, I used WAY more downward pressure than I would in a real-world condition.

  7. #37
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    Re: Dampsanding with 3" Griot's Garage Mini Polisher

    Great footage and great product with the 3" System. I have a kit for 5",6" and 3" discs , back up pads and interface pads. If interested please do contact me or take a peak. : 6? Orange Peel Kit. Damp or Dry | Donald Pavlica Fine Arts

  8. #38
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    Re: Dampsanding with 3" Griot's Garage Mini Polisher

    So I'm guessing the Rupes 75 is a bit too aggressive of orbit to do this for people who aren't used to doing it.

  9. #39
    Senior Member DaveT435's Avatar
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    Re: Dampsanding with 3" Griot's Garage Mini Polisher

    Quote Originally Posted by Whitewater25 View Post
    So I'm guessing the Rupes 75 is a bit too aggressive of orbit to do this for people who aren't used to doing it.
    That or it wasn't available in 2011 when this thread was started...lol
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  10. #40
    Senior Member CarolinasFinestDetailing's Avatar
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    Re: Dampsanding with 3" Griot's Garage Mini Polisher

    Quote Originally Posted by Whitewater25 View Post
    So I'm guessing the Rupes 75 is a bit too aggressive of orbit to do this for people who aren't used to doing it.
    Look on page 2 of this thread:

    http://www.autogeekonline.net/forum/...es-mini-2.html

    Mike explains that he has never sanded with the Mini, but has with the Duetto, which is the same stroke. He concludes that you can sand with the Mini as well.

    I have sanded with the Mini as well and it cuts great.
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