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Thread: Converting used 230 Disks to 115 Disks

  1. #1
    Supporting Member garage nut's Avatar
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    Converting used 230 Disks to 115 Disks

    I have always just used the worn down 230mm disks on my 115mm angle grinder without the guard.

    But as I am getting older I hope to be getting wiser and have decided I would like to work more safely and set example for the younger ones.

    I have lots of these and it breaks my heart to though them away.

    Converting used 230 Disks to 115 Disks-convert.jpg

    Is there any easy way to quickly get them to the right size so you can use the with the guard in place?

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    Supporting Member desbromilow's Avatar
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    couple of things spring to mind... #1 use a 125mm grinder (less to remove) or a 180mm if you can find one.
    Using the 9", run the worn wheels against a brick, or old grindstone to bring them down
    lastly (not nice) - use some bench shears to cut them down, then use the brick/stone trick to round them down under power.

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    Supporting Member madokie's Avatar
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    plenty of 7 inch angle grinders out there too,when they wear down to 7 inch, put on the 7 inch,i got a great buy on a metabo 6 inch angle grinder,on e-bay ,not a lot of demand for them..i am a scrapper, so i do this with the thin cutoff wheels..i first use them (when i can find them cheap online)on my 7 inch, then after they wear down i can put them on my 6 inch metabo angle grinder,(it runs really smooth,and is lighter and just as powerfull as my cheap 7 inch),where i can use them till they are 2.25 inch which is the same size my 4.5 angle grinder will wear them down to..the metabo 5 and 6 inch angle grinders are avalible with auto-balance,, which make them run so smooth u wont believe it,,u have to find one with an A at the end of the model name,like WEPA..what ever u do leave the guard ON!!! too easy to cut your self without !! and these days u dont want to be in a hospital...by the way what do u need a 9 inch cutoff wheel on an angle grinder for ?? thats pretty large.i get by just fine with my 7 inch , dont need any more depth of cut,in a angle grinder, if i need more depth i haul out the 14 inch cutoff saw,,and the 9 inch cutoff wheels are wayyyyyy too expensive..
    Last edited by madokie; Apr 20, 2020 at 08:10 PM.

  4. The Following 4 Users Say Thank You to madokie For This Useful Post:

    garage nut (Apr 20, 2020), Philip Davies (Apr 21, 2020), Priemsy (Apr 20, 2020), rlm98253 (Apr 20, 2020)

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    Supporting Member garage nut's Avatar
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    Also had the idea to make a custom guard to cover the larger discs, but inertia is quite severe with the big wheel on a small machine.

    Had a quick look on the Net, no 6 or 7" angle grinders here in South Africa, #madokie where do you stay?
    Last edited by garage nut; Apr 21, 2020 at 12:01 AM.

  6. #5
    Supporting Member madokie's Avatar
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    here in the USA,,i am sure there are 6 an 7 angle grinders in africa and the middle east,plenty in europe ,.but i bet the shipping would be too much, but for a top grade metabo i might be worth it..



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