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  1. #21
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    Re: Rupes 5 Inch 2000 & 3000 Grit Sanding Discs

    Quote Originally Posted by Mike Phillips View Post
    [...]


    You need to maintain pad rotation.


    So mark your backing plate so your eyes can see pad rotation and then adjust the speed dial as needed to maintain pad rotation.



    So, this applies when I'm sanding with those 9mm orbit machines, too? I need to increase the speed until the sanding disc starts to rotate? Or this only applies when compounding / polishing?

  2. #22
    Director of Training Mike Phillips's Avatar
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    Re: Rupes 5 Inch 2000 & 3000 Grit Sanding Discs

    Quote Originally Posted by pepeleascov View Post

    So, this applies when I'm sanding with those 9mm orbit machines, too?

    I need to increase the speed until the sanding disc starts to rotate? Or this only applies when compounding / polishing?


    My experience is you want to see pad rotation for effective sanding or paint leveling.

    If the sanding disc is simply vibrating against the paint then "yes" it will remove paint because pointy sharp particles of grit when pressed against car paint and jiggled are going to have an effect.

    But rotation of pointy sharp particles of grit when pressed against car paint will remove paint faster and my guess is leave a much more uniform sanding mark pattern for buffing out.


    What are you working on?

    What tool are you sanding with?

    What sanding discs are you using?



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