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08-04-2019 #1
good day -
first off! i am not a machinist - so you will have to be a bt forgiving.
i have a dilemma - i am working on this design - and the intent is that the (green) cylinder is to freely roll when applied to a surface (like a pizza cutter.)
however - the binding barrel (blue) i sourced out at mcmaster-carr - i do not want to rotate. and i certainly don’t want to too tight as it will start to bend the channel.
it’s also critical that the ends have no drive - but a nice polished-finished look.
maybe an adhesive?
i came across google images - where i can see a binding barrel with a hex at the base (like a carriage bolt) i think this would work - right?
but i imagine it’s easy to drill the hole in the channel - but the hex shape not so?
so i am at a loss.
if you look at the reference in the yellow circle - the bolt is normally welded and then sanded off. i don´t like this look. (unless there’s a machine shop that could perform this with a better finish?)
what are my options in achieving this function?
best regards -
jón
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