Here are a few pictures of what I'm getting. They are not that great, my phone camera cannot focus properly at short distances. The first picture is of the cutters I'm using, 3mm, 4mm and 6mm upcut spiral, they are not very long as they are more for steel than wood. Those are the only upcut spiral bits I could find.
Don't be fooled by the wood grain, it IS a sandwich of 18mm chipboard, 3mm MDF on top and then veneered with 0.8 (?) veneer.
I spin the tool at 10000rpm. If I run at 2500mm/min then I get a fuzzy cut, if I run at 5000mm/min then I get a horrible cut. If I go at 500mm/min then I get, well a long "molten"-looking thread instead of chips.
If I spin the tool at 15000rpm I'm not getting any better results.
Can someone with lots of experience give their comments please.
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12-24-2009, 09:29 AM #1
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problems with finish on MDF (wrong feed? speed? chip load?)
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