Hi all,
I finally decided to make a wasteboard w/ threaded inserts for my pro xl and it turned out pretty well. I know it’s not really necessary with the hybrid table but I figure its still easier to replace a wasteboard when the time comes instead of having to make up new mdf slats. Anyway I still need to surface it but since i don’t have a surfacing bit, I was planning on just using a 1/4 bit. The CC run time for a pocket depth of .10’ is approx 90min with the default speeds and feeds but i was wondering if I can push that any harder to cut that run time down a little? I believe the default federate is 75ipm at 180000 rpm. Or is it worthwhile investing in surfacing bit? Thanks!
A surfacing bit such as the McFly is one option:
Yes, one can cut quite a bit faster making a skim cut on MDF w/ a #201 — I posted a file for doing one slat at a time a while back.
One other question i had, the preview in CC shows a lip being left around the wasteboard when creating a large pocket. Is there a way to ensure the entire board gets surfaced? Set the stock size slightly larger then it is maybe?
Set the geometry larger than the stock area?
No I thought maybe set the stock size slightly larger then create a pocket tool path over the hole thing. My wasteboard dimension are 15’ x 24’. If I use a pocket tool path over the actual size, the CC simulation shows a lip being left on the 4 corners.
I created this document for the Shapeoko 3 but it still applies for a Shapeoko 4.
spoilboard_considerations.pdf (1.3 MB)
If you have not made your spoil board yet this may help.
Here is my Whiteside 6210 F&S.
| number | vendor | model | URL | name | type | diameter | cornerradius | flutelength | shaftdiameter | angle | numflutes | stickout | coating | metric | notes | machine | material | plungerate | feedrate | rpm | depth | cutpower | finishallowance | 3dstepover | 3dfeedrate | 3drpm |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 601 | whiteside | 6210 | Fly Cutter | end | 1 | 0.125 | 0.25 | 0.25 | 2 | 3 | 0.25 | 0 | Shapeoko | MDF | 10 | 80 | 16000 | 0.01 | 1 | 20 | 80 | 16000 |
Many thanks for sharing that info. I ended up just using my 201 1/4’ with a peice of mdf and im really pleased with how it turned out. I was expecting to have to clean up a lot of pocketing lines and such but it cut really nice.
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