AVID table design - Router Forums
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post #1 of 17 (permalink) Old 10-01-2020, 10:32 AM Thread Starter
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Default AVID table design

I took the plunge and ordered a 2x4 AVID Pro machine but intend to build a table for the time being.
A couple of questions for all the experienced folks:

1) I thought vertical routing might be good for joinery work and the ability to rout edges--but is it really?
2) On the AVID machine, would it be a bad idea to slide the front cross-member back about 1.5 inches from the edge when building the table frame? It doesn't look like that would interfere with anything on the side rails.

Since the work area already extends about 1 inch beyond the front edge, moving the cross-member back would allow mounting a vertical spoil board with 1-2 inches of y-motion for routing. I don't think it would diminish capability of horizontal routing either (?)

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post #2 of 17 (permalink) Old 10-01-2020, 10:55 AM
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Quote:
1) I thought vertical routing might be good for joinery work and the ability to rout edges--but is it really?
It's the only way to cut "real" dovetails and box joints.
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post #3 of 17 (permalink) Old 10-01-2020, 12:59 PM Thread Starter
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Thanks Ger.
Yep, and I was also wondering whether things like that were more trouble than worth, relative to a router table jig.
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post #4 of 17 (permalink) Old 10-01-2020, 02:11 PM
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Welcome to the forum, Rick! Add your first name to your profile to clear the N/a in the side panel and add your location to your profile, as well.

We do like photos so show us your shop, tools, projects, etc. whenever you're ready. What sort of woodworking are you planning for the CNC?

If you make part of your spoilboard removable (or hinged like Frank Howarth did) then there's no reason you'll lose any Y axis capacity.

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post #5 of 17 (permalink) Old 10-01-2020, 02:41 PM Thread Starter
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Thanks David... profile updated!

I was concerned that moving the front cross-member could interfere with gantry operation, affect rigidity, or wasn't even possible for some reason. Just looking for confirmation before starting to build a table to include vertical capability at the front edge. Of course, I have 10-12 weeks to sort this out

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post #6 of 17 (permalink) Old 10-01-2020, 03:19 PM
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Check out Frank Howarth's video on doing the drop table on his CNC. Of course, his is huge and he has plenty of room but he uses his often.

My CNC is a welded steel frame so I don't have the option of moving a cross member but my spindle comes out almost 2" past the front cross member and I made the entire section of spoilboard removable between the first and second cross members if I want to stand something up and machine the end.

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post #7 of 17 (permalink) Old 10-01-2020, 09:05 PM
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Welcome to the forum Rick.

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Enjoy the knowledge of others that can be found within.

‘Members are requested to add a first name in their profile as we are a very friendly bunch here'.
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post #8 of 17 (permalink) Old 10-02-2020, 07:39 AM
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Quote:
Yep, and I was also wondering whether things like that were more trouble than worth, relative to a router table jig.
I wrote some software for creating g-code for dovetails and box joints, and IMO it's far superior to a router table or jig.

When cutting dovetails on a jig, you're options are very limited.
On the CNC, you can cut an infinite variety of joints, as depth and spacing are unlimited.
And if you have a vertical fixture on your machine, there's virtually zero setup time.
You can have your joints finished before you can even get your jig setup and ready to use.
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post #9 of 17 (permalink) Old 10-02-2020, 11:26 AM
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Welcome to the Router Forums Rick.

Here is a video you might want to watch on adding tables to an Avid CNC.
UglySign and OCEdesigns like this.

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Last edited by difalkner; 10-02-2020 at 01:11 PM. Reason: corrected spelling
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post #10 of 17 (permalink) Old 10-03-2020, 07:36 AM Thread Starter
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Ger, good to hear that-- seemed that it could be easier. Was thinking it possible to have some parameterized CAD (g-code?) for dovetail, box joint, mortise+tenon that could be loaded up on-demand and run. I'm a total newbie and maybe that's what you did.
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