What to look for in bits?

[CrazeUK]

Best cutters for acrylic are single flute cutters or 2 flute at most. 4 flute cutters would need high feed rates but suffer from clearing the chips hence melting the cuts back together.

Can't remember what your machine looks like, so can't comment on the jumping/slipping/going off track probkems. Post a pic of it? Feed rates are subjective and dependant on your machine. I could tell you what I use for MDF but it wouldn't be much help as my machine is probably different from yours....

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Hey, Thanks for your response.
Fate had it that you posted that message and my 2 flute bits arrived through the post
You where totally right, it made a massive difference, the cut quality and no crazy'ness from Lucy.

I have now ordered some single flute bits as i am still not quite happy, i know the machine slipped a few times, also i am still getting melted bits stuck to sometimes the bits, most of the time the acrylic. I am getting there, especially on the thicker acrylic (5mm+).

I think i still have an issue with slipage in the belt, so need to sort that out.

Outside of the single flute for acrylic, what other bits should i be looking at.
For:
MDF (upto 10mm)
Aluminium (is upto 5mm possible on my machine)
Dibond (3mm/5mm)
Foam board (upto 19mm, the 4 flutes seem fine, but are they the best for it?)