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  1. #1
    Join Date
    Dec 2007
    Location
    Melbourne Australia
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    230

    Default Home made rotary sander

    Up until now I have been sanding using a cordless drill with some sanding pads. I made up a series of pads so I don't have to change the paper every time I want to change grits. As my batteries are starting to deteriorate, I decided it was time to make myself a rotary sander (for the all up cost of under $10.00).

    I bought 10x 19mm bearings for $3.50 on ebay, and a copper 45 degree bend (internal diameter 19mm) for $6.50 from plumbing supplies. 90 degree was 1/2 that price, but 45 lets me get into tighter spaces).

    Glued in 2 bearings on one side, and turned up a handle for the other. Shaft of the sanding pads was a tad too tight, but grinding off just a wee bit made them easy to get in & out.

    20140728_201009.jpg

    20140728_201134.jpg

    20140729_203900.jpg

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  3. #2
    Join Date
    Jan 2005
    Location
    Adelaide
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    Default

    Hi Nalmo,

    I think thats a great idea and I recon I am going to copy it.

    I am new to turning, & even newer to bowl turning. I only saw one of these for the first time a couple of weeks ago & have never used one, so I'm after a bit more info.

    Can you tell me more about the pads.

    Diameter of the base
    What rubber (?) you ave used
    Anything else I might need to know.


    Maybe the length of the handle might be handy as well.

    Thanks for sharing.


    Steve
    The fact remains, that 97% of all statistics are made up, yet 87% of the population think they are real.

  4. #3
    Join Date
    Sep 2008
    Location
    North Carolina, USA
    Posts
    2,327

    Default

    Nalmo,

    That is a slick as a greased eel. Thanks for the idea.
    So much timber, so little time.

    Paul

  5. #4
    Join Date
    Dec 2007
    Location
    Melbourne Australia
    Posts
    230

    Default

    The shaft for the pads are from a cheap screwdriver bit set.
    Plywood base a bit under 50mm diameter. Foam was from Clark rubber - can't remember what type, they had a small offcut piece about 20mm thick for $5 (will make enough for about 15 discs). Glued them to ply and turned down on the lathe with 80 grit after cutting roughly to size.
    Velcro is 50mm wide, self adhesive from Spotlight or similar stores. Just trimmed with scissors.

    I used the velcro backed sandpaper, available from the usual sources. If I'm using it on bowls with no fine detail, I just cut to 50mm squares (overhang doesn't interfere with anything). If there's fine detail, I trim to just slightly larger than the pad size to enable getting into corners (or sand by hand).

    I made the handle short enough to just fit into my hand (about 120 long), and I prefer a reasonably thick section to make it easier to hold (about 40mm diameter).

  6. #5
    Join Date
    Jan 2005
    Location
    Adelaide
    Age
    65
    Posts
    1,183

    Default

    Quote Originally Posted by Paul39 View Post
    Nalmo,

    That is a slick as a greased eel. Thanks for the idea.

    Or as flash as a rat with a gold tooth.


    Nalmo,

    Thanks for the extra Info. I am gona have a Jolly Old at this one.


    Steve
    The fact remains, that 97% of all statistics are made up, yet 87% of the population think they are real.

  7. #6
    Join Date
    Dec 2008
    Location
    75 km north of newcastle
    Age
    76
    Posts
    110

    Default

    You could probably cut the pads from one of those foam kneeling pads you use in the garden - cost about $2 from Reject Shop or similar. They look to be about the right density of foam.
    Mick C
    mañana

  8. #7
    Join Date
    Oct 2009
    Location
    South Africa
    Posts
    950

    Default

    Those roll-up aerobics mats work as well, if you're clever with your cutting, she might never find out...

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