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Thread: Grinder fork scratching up portafilter

  1. #1
    Junior Member
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    Nov 2019
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    Grinder fork scratching up portafilter

    Gene Cafe Coffee Roaster $850 - Free Beans Free Freight
    As the title says... do most ppl just live with having a scratched up portafilter, or do you put some kind of rubber tubing over the fork prongs so they dont scratch the bottom of the portafilter when you are grinding?

    In my case im talking about a eureka mignon where you move the portafilter to press the button and start brewing.

    I've just left the fork off entirely in recent months..
    Is this what people do? Keen to hear a better alternative than just ruining my portafilters!

  2. #2
    Senior Member level3ninja's Avatar
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    Adhesive foam rubber or plastidip are what I used on my Atom for a while. Embed up not using anything and just dealing with the tiny scratches on my SS portafilter. I was mostly using as naked at the time so it only ever affected the spouted PF when we had guests.
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  3. #3
    Senior Member GrahamK's Avatar
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    You can use Pinchweld. Clark Rubber stock various sizes and you will only need a short piece and they sell by the metre. Bunnings have it as well but call it Black Edge Trim, but you will probably have to but a whole roll of it around $20.

    Cut off how much you need, and if you buy enough, can keep it and replace when it starts looking shabby.

    I use it on my Kony, because my portafilter was getting damaged on the stainless fork. I did post about it a number of years ago, but here is piccy of it in use currently:

    Pinchweld small.jpg

    GrahamK
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  4. #4
    Senior Member Yelta's Avatar
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    Is it rough edges making the marks? perhaps possible to remove the fork and polish it with progressively finer grades of wet and dry.
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  5. #5
    Junior Member
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    Nov 2019
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    Yes the fork has squared edges. I would need to round the edges of the fork in order to minimise the effect. I think some kind of way to avoid metal on metal contact is preferable.. my portafilter does not have a flat bottom so i cant see the problem ever completely going away without covering the fork



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