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I used the JGRO design om my first machine, plans are available here on the forum.
I used it quite alot but after a while I wanted something a bit more powerful for milling aluminium.

I built a...

Well, a dremel and a cuttingdisk works fine if you want to cut CF as cheap as possible(by hand), hacksaw works to. Watch out for the dust though!

A CNC Laser would be far more expensive to build...

I mill quite a bit of CF with my router and i use these bits:
5x 0.08" Carbide PCB End Mill Engraving Bit CNC 2.0 T22 | eBay

High revs on the spindle(I use 24000 rpm), it makes clean sharp cuts....

I cut my first pices of carbon fibre tonight, came out really clean and nice sharp edges.
I also cut some vinyl as a test, I managed to fit a blade holder to the router mount...

For the carbon...

Engraved a small piece of copper for my doughter, piece is 1,5" long.
Came out really nice...
http://www.cnczone.com/forums/attachment.php?attachmentid=103445&stc=1&d=1269287148

I have'nt really exerimented with the depth, I made 1 mm passes in the video.
The spindle in the video is only temporary, I have a more powerful spindle sitting on my workbench, but I'm missing...

Recieved the steppers yesterday, finally got it up and running.

YouTube- It's alive!, JGRO CNC Router first cut

YouTube- It's alive 2, JGRO CNC router first cut

Well, I didn't create new plans or drawings, I solved the issues as they came along.
Some parts you can translate directly but some you have to adapt, when you start building you'll get it...
I...

Well, the bearings are dirt cheap compared to buying nuts for the leadscrew so...
I tried this as a test too se if it messed up the bearing and it didn't, and these bearings won't rotate at high...

I had to figure out a simple way to fixate the leadscrew to the endbearing to take the load of the steppers.
I had a idea about welding the bearing to the ledascrew but thougt is was a bit radical...

Well, since I like to read other peoples build threads I better post my own, so here it goes...

My goal is to build a pretty solid and straight JGRO router, since i live in sweden the JGRO plans...