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  1. #1
    Join Date
    Aug 2006
    Location
    Raymore Missouri
    Posts
    1,920

    Default Recyling sanding discs

    I have many right angle grinder/sanders. Some are electric; some are air powered. When sanding I use the 4.5 to 5 inch pads. As you know, as soon as the edge of the pad gets worn down it is almost useless unless you cut a new edge around the entire pad; exposing new surface edge which also makes the pad smaller.

    I have always wanted a right angle die grinder and have no idea why I have never gotten one, but I finally did. It is great for getting into smaller areas to grind or sand. I know you can buy small sanding discs for a die grinder but I came up with a solution...to use a lot of my old, partially worn 5 inch pads, cut into smaller pads for the die grinder.

    I took a piece of 2 inch round aluminum..about 1 inch long (steel could also be used) and drilled a .250 inch hole dead center about 1/4 of the way through for the shaft which will be held in place with a set screw or epoxy. Drill the hole the rest of the way through with the proper size bit for the screw size you will be tapping.

    I am attaching some pictures to show what I mean.
    Attached Images Attached Images
    Nick
    Miller 252 Mig
    Miller Cricket XL
    Millermatic 150 Mig
    Miller Syncrowave 200 Tig
    2-O/A outfits
    Jet Lathe and Mill
    Jet 7x12 horz/vert band saw
    DeWalt Multi Cutter metal saw
    Century 50 Amp Plasma Cutter
    20 ton electric/hydraulic vertical press
    Propane Forge
    60" X 60" router/plasma table

    www.youtube.com/watch?v=jTu7wicVCmQ
    Vist my site: www.nixstuff.com
    and check out some of my ironwork and other stuff

  2. #2
    Join Date
    Feb 2006
    Location
    springvale me
    Posts
    89

    Thumbs up

    That is one great idea nick didnt think of that before. I will start doing that now. what did you use to cut the disks out with? hole saw? thanks for sharing
    garthswelding@aol.com trail blazer 301g with all the fixins:delta band saw dewalt chop saw craftsman drill press, sp-135 mm251 spectrum 375 suite case mig, tig w/hi freq. one welding truck.

  3. #3
    Join Date
    Aug 2007
    Location
    Vancouver BC Canada
    Posts
    605

    Default

    Great idea Monte,
    Does the aluminum backing need to be so thinck? that looks like alot of revolving mass. perhaps a peice of velcro could do away with the fastener to keep the disc in place or use some super77 spray contact cement by 3M even might do the trick?
    http://solutions.3m.com/wps/portal/3...er-77/Super77/
    Will it weld? I loooove electricity!

    Miller 251/30A spool
    Syncro200
    Spectrum 625
    O/A
    Precix 5x10 CNC Router12"Z
    Standard modern lathe
    Cheap Chinese mill that does the trick... sort of...
    horizontal 7x12 bandsaw
    Roland XC540 PRO III
    54" laminator
    hammer and screwdriver (most used)
    little dog
    pooper scooper (2nd most used...)

  4. #4
    Join Date
    Aug 2006
    Location
    Raymore Missouri
    Posts
    1,920

    Default

    Garth..........I used a hole saw to cut the disc from the back side.

    Sinewave......... the reason the aluminum is thick is so the 1/4 " shaft can go in a ways and there is enough left to drill and tap.
    I first tried using 3M disc adhesive but at high speeds the disc can fly off.
    Disc adhesive works well on DA's which have more surface area and don't spin this fast plus the little disc are hard and would hurt as opposed to a thin paper disc if they hit someone.
    Nick
    Miller 252 Mig
    Miller Cricket XL
    Millermatic 150 Mig
    Miller Syncrowave 200 Tig
    2-O/A outfits
    Jet Lathe and Mill
    Jet 7x12 horz/vert band saw
    DeWalt Multi Cutter metal saw
    Century 50 Amp Plasma Cutter
    20 ton electric/hydraulic vertical press
    Propane Forge
    60" X 60" router/plasma table

    www.youtube.com/watch?v=jTu7wicVCmQ
    Vist my site: www.nixstuff.com
    and check out some of my ironwork and other stuff

  5. #5
    Join Date
    Dec 2006
    Location
    Traer, IA
    Posts
    317

    Default

    Great Idea - I was just picking up the shop and had 5 used discs from my 4 1/2 angle grinder that I threw away. I was thinking "What a waste". Now I'll dig them out of the trash. Thanks for sharing

  6. #6
    Join Date
    Aug 2007
    Location
    Vancouver BC Canada
    Posts
    605

    Default

    Just a thought Monte. Your idea is a good one.
    Will it weld? I loooove electricity!

    Miller 251/30A spool
    Syncro200
    Spectrum 625
    O/A
    Precix 5x10 CNC Router12"Z
    Standard modern lathe
    Cheap Chinese mill that does the trick... sort of...
    horizontal 7x12 bandsaw
    Roland XC540 PRO III
    54" laminator
    hammer and screwdriver (most used)
    little dog
    pooper scooper (2nd most used...)

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