Making a Disc Skimmer

[pingu]

Have you ever thought "Those discs look rusty, I wish I had something to clean them up with".

Well, here it is the Pingu Disc Skimming Attachment for a pedestal drill / milling machine...



How to make and use it...



and the maths behind finding the Pitch Centre Diameter (PCD)...

[maurice the martian]

Inspector gadget srikes again, is there no end to your inventions,
Must say tho im a bit stumped as to the operating process,or am I being thick ,
M

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[aceman]

I have had this in mind for the last couple of years but never got around to it, great minds think alike eh!

[maurice the martian]

Or u could do it on a small lathe.
Just sent a shiver down me spine.spent nigh on 20yrs bent over a lathe.
M

[pingu]

Or u could do it on a small lathe.
Just sent a shiver down me spine.spent nigh on 20yrs bent over a lathe.
M

Small lathe is too small. 180mm od is about the biggest job before it fouls the bed.