Slicing vulcanized hockey pucks (duro 90) into coasters
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  1. #1
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    Default Slicing vulcanized hockey pucks (duro 90) into coasters

    Hello!

    I am looking for some advice. I need to slice 1/16” to 1/32” thick disks out of a 1” thick by 3” diameter vulcanized rubber hockey puck (Duro 90). I have planned a mandolin of sorts where the puck is stationary and the blade moves with my hand.

    Do you have any idea how easily to slice hard, tough rubber from this shape?

    Cheers!

    - Rob Raincock
    Red Deer, Alberta, Canada
    Raincock @ualberta.ca

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    Use a "Lathe" with a very sharp tool.

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    I haven't attempted this but I have heard of it for years..freeze the hockey puck stone solid then saw your thin sections off with a band saw. Another WAG..freeze them solid, take them to the deli and run them through their meat slicer.

    Stuart

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    Purchase Duro 90 Urethane 2-part mix from MSC and pour a 'puck' of the desired thickness into a suitable cup/cylinder. Let it harden and pop it out.

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    The very idea of hand slicing 90 durometer hockey pucks on a mandoline makes my mind boggle. Not going to happen. The principle might work if you adapted a log splitter or something like that, but not by hand power!

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    I reckon I'd epoxy the puck to a backing board, stick a nice new blade on my wood cutting band saw, and slice it against the fence.

    I cut a rubber bowling ball in half that way - safely and easily.

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    Quote Originally Posted by Frank Ford View Post
    I reckon I'd epoxy the puck to a backing board, stick a nice new blade on my wood cutting band saw, and slice it against the fence.

    I cut a rubber bowling ball in half that way - safely and easily.
    Frank,

    Are you sure it was "safely"?? Asbestos-Filled Balls Killed Former Owner of Arcata Bowl, Jury Finds; Family Awarded $4.4 Million | Lost Coast Outpost | Humboldt County

    Stuart

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    Not really sure you could blame the brake dust supplier, but you sure could blame the company that processed it into a form that required further machining. Had just previously watched a youtube of turning a "old" bowling ball into a nice bowel, but even then, he commented on the weird funky middle bit, guess i know why now! Think i will pass on that idea!

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    This is a good application for a Waterjet

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    Hot wire slicer...fairly easy to make with available items

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    Quote Originally Posted by plastikdreams View Post
    Hot wire slicer...fairly easy to make with available items
    Not likely to work with a thermoset like rubber. Best stick to thermoplastics when using one of those.

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    Quote Originally Posted by BoxcarPete View Post
    Not likely to work with a thermoset like rubber. Best stick to thermoplastics when using one of those.
    I dunno, never tried it lol

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    Quote Originally Posted by plastikdreams View Post
    I dunno, never tried it lol
    They don't play hockey down in NJ eh ?

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    Quote Originally Posted by plastikdreams View Post
    I dunno, never tried it lol
    Yeah, rubber doesn't really melt like plastics do. When it's molded, the gummy base elastomer forms tons of cross-links and fundamentally changes its chemical structure, never to return to how it once was. Heat aging breaks those cross-links over time and there isn't really a way to put them back, it's a one-time deal.

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    Would these scalloped blades work on that?

    knife.jpg

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    I tried to cut a puck on the lathe, and it seemed to be abrasive as hell, just ate the hss tooling right up. Nasty stuff, run away fast!

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    The rubber shop down the road uses waterjet, so I guess I would second that vote of mooner.
    Colorado WaterJet - Waterjet cutting for Denver, Ft. Collins, Colorado, US does odd one off parts, expensive, but parts better than other water jetters I have seen.

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    Quote Originally Posted by digger doug View Post
    They don't play hockey down in NJ eh ?
    Shonuff Doo...played it in highschool and for a few years after...then tried playing in my late 20s...first time I found out I was not a teenager anymore lol.

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    It happens after some fire Dept drills too lol...dragging charged lines around in a 1200°f simulator that's pitch black can wear ya out fairly quick lolol

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    Quote Originally Posted by richard newman View Post
    I tried to cut a puck on the lathe, and it seemed to be abrasive as hell, just ate the hss tooling right up. Nasty stuff, run away fast!
    Loob used ?


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