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Hi All,
I wanted to pick up this thread that had so much helpful information. Sorry for my slow response. In short, school started, everything got super busy, time on the shopbot was slashed, and...

Frank, those look like excellent multi-material cuts. I'm going to see what I can do with the machine and then may very well send you a message with a question once I get everything in order....

Thanks for the heads up. I'm going to make another test file and be sure the vectors are right on with that one. This was text made in sketchup and imported, then cut with an "on" vector path. ...

We have applied 3m pre-mask to the front surface of the mirror prior to cutting. The sintra is applied to the back surface to protect the mylar mirror part during cutting but also when these...

It's good to hear that we should expect more from the machine. It is a standard shopbot with HSD 4 hp spindle. It appears that 18k is max rpm.
I was not involved in setup or construction of the...

Thanks for the recommendation Tim. We are going to design a test pattern and will try climb cuts in multiple passes to get a better edge.

Wow, thanks to everyone for the replies. I can't work on that machine today but will get back to it tomorrow. We are in an academic setting and the technician who set up and maintained our machine...

Oh, and is there a standard Shopbot cutting pattern to gauge how well the machine itself is working? A test pattern of some kind that people compare apple to apple to be sure they are getting what...

So in my last post, the 1st image of the O is 2 ips at 12k rpm. The second one with the 2 S's is 1 ips at 12k, the 3rd with the N is .5ips at 12k. The 4th shows the cutting debris and the 5th shows...

Thanks to everyone for their suggestions.
Well, I got a chance on Friday to try out a tapered bit. This is an onsrud 1/4 shank upcut with a ball nose. The results were not the best and I wonder if...

2nd part post:
Also, I wanted to add that when I called Amana to ask about their bits, I was recommended to call up Woodline.com. When I got them on the phone, they were very helpful and explained...

Hi All,
I'm still getting used to this forum and how to enter information, please bear with me. Also I have little experience with shopbot or cnc in general. Looking to learn as much as I can....

Hello!
I am trying to cut shallow bevels in acrylic. That is nearly a perpendicular cut, between 2 and 10 degree angles.
Does anyone have a bit that they like for this? We thought we'd start...

Wow, this is helpful information. We have always kept the Partworks up to date, but the lab tech left a few months ago. We will certainly be looking into upgrading to the new version of the VCarve....

Please forgive me for any formatting complications - I'm still new to this.

Unfortunately I can't change the original designs from sketchup, that is from another part of the class and out of my...

I'll give squares a try. We tried only higher number of segmented polygons and didn't think to try ones with fewer. But since partworks was unable to join those when selected to then be found by...

Hello!
We have been running our shopbot from sketchup files for student classes. This has been relatively smooth but one of the issues that we have come across is some difficulty in importing paths...

Hi Joe,
aaah, problem is that beyond what my original post says, we just can't say. They want us to clad 4 columns to begin with. Then it could be 10 or 12, if they decide to continue with the...

Hi Ken,
Thanks, we will contact these folks to see what they can make for us. I just thought that low angle stock bits might be out there for acrylic. It sounds like it is a more specialized item....

Hi Alex,
Thanks very much. That looks like just the thing we need!
I see that this one is for wood and we need acrylic, but I also see it has replaceable blades. Possibly they can put a profile...

Hi All,
I'm newbie here and have what I hope is a very basic question.
We need to cut some acrylic (solid color and mirrored) on our 4x8 shopbot. The thing is that we need to cut it at a bevel,...