Is this thing even a Shapeoko anymore?

[Improbable Construct]

I bought the kits, but that was because the wheel only kits were sold out at the time I placed my order.

[dditzler]

Very nice build. I skipped building the original ShapeOko and went to one with a 32" x 48" cutting size. I haven't done many of the upgrades you have but I definitely want to build up the gantry and my Z as that is the biggest flex I have.

I saw your video of cutting the Delrin with the 2 flute carbide bit. I thought those worked pretty well until I found an "O bit single flute" carbide bit. They are designed for plastic and are the BOMB! Then work very well and are also quiet. So far I have only cut

I got mine on eBay for $4/ea new and they showed up in two days to Chicago. I highly recommend them for soft plastics.
http://www.ebay.com/itm/380556540906?

Here is a photo of the results.

[cvoinescu]

That's quite a big difference, but I don't believe it's the single flute vs. two flutes aspect of it, but rather the fact that the second bit is designed specifically for soft plastics. I've ordered a two-flute endmill for plastic from the same guy, and it's on its way to me. I'll report on it when I get around to using it.