Without interrogating a drawing accurately I'd guess at 10mm rad but only cutting over about 6mm of material.
So guessing it could be formed onto a worn or old 8mm or 10mm cutter, possibly less.
Basing this on a dimensioned drawing I saw where the gaps between the slats were specified as 4mm.
Seen various 3d drawings but can't recall seeing a 2D end section drawing
Last edited by John S; 02-11-2013 at 10:47 PM.John S -
The slots are around 4mm wide, a custom ground cutter is a very practical option, it's highly likely that a standard router cutter might be found and modified for the job,
Edit - I should post faster but I'm watching a film on TV ;-)
Last edited by magicniner; 02-11-2013 at 10:59 PM.
Base Could be done with 9 & 14mm ballnose with part on it's edge but thats then messing around with another clamping op and setup and not everyone has 4th axis.
Personally If I was doing them, Then For lower base I'd just shoot 9 & 14mm ballnose up each edge and flat mill up centre, obviously done horizontal.
For the other side it's obvious for slots but the round over then I would grind a tool I think. I'd also make them in longer lengths and cut to size.!!
This would be very quick and don't think it could be done quicker really.?
On that lower base there is only 10mm between the two radii, so if you stand the track on its side you could mill the whole of the lower side with one form cutter. Cutter would only be 16 or so mm long.
Becky want's 190 ??? odd so well worth doing.
Top done as you say.John S -
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