beveled edge table top

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duster
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beveled edge table top

Post by duster »

I'm trying to figure out how to machine a 45 degree beveled edge onto a 2.25" thick oval table top.
I haven't been able to find anything that explains how to achieve this detail... Any help would be appreciated!

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highpockets
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Re: beveled edge table top

Post by highpockets »

How big is the oval table top?

Are you creating it on your CNC or does it already exist?

How deep do you want the 45° bevel edge to be?
John
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duster
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Re: beveled edge table top

Post by duster »

The top will be 40 x 80. The bevel needs to be the entire 2.25" height.

duster
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Re: beveled edge table top

Post by duster »

The top will be machined out of a larger blank. All I've done so far is to glue up and surface the blank.

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rscrawford
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Re: beveled edge table top

Post by rscrawford »

Watch the tutorial on the moulding tool path. I find it more useful than modelling and finish tool path in Aspire. Will give you the best finish, unless you have a large 90 degree v-bit and can just use profile cuts!

You might even be able to use a 90 degree V-bit with the moulding tool path to get the smoothest result, using a 1/2" ballnose or end mill for the roughing pass to give you clearance for the smaller v-bit.
Russell Crawford
http://www.cherryleaf-rustle.com

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highpockets
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Re: beveled edge table top

Post by highpockets »

+1 for using the Moulding Toolpath
Image 386.png
Image 387.png
Image 385.png
John
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duster
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Re: beveled edge table top

Post by duster »

Ok, thanks! I'll check out the moulding tutorial. The drawing posted is what I'm trying to do.
I think I'll try a smaller test on foam before I commit to this big slab of walnut...

duster
Posts: 14
Joined: Sat Feb 03, 2018 3:21 am
Model of CNC Machine: Shop Sabre Pro 408

Re: beveled edge table top

Post by duster »

Ok, I watched the moulding tutorial. However, I couldn't see how this was going help me produce
the beveled edge I'm trying to get on the oval top. I seem to be missing something. I can draw the
oval, and it's offset edge. But how do I get to the beveled edge?

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highpockets
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Re: beveled edge table top

Post by highpockets »

duster wrote:Ok, I watched the moulding tutorial. However, I couldn't see how this was going help me produce
the beveled edge I'm trying to get on the oval top. I seem to be missing something. I can draw the
oval, and it's offset edge. But how do I get to the beveled edge?
If you look close at the pictures in my post there's the offset rail and a 45° profile vector.
Image 386.png
John
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duster
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Model of CNC Machine: Shop Sabre Pro 408

Re: beveled edge table top

Post by duster »

I guess what I'm failing to understand is how to establish the 45 degree profile vector.
What steps do I take to get that?

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highpockets
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Re: beveled edge table top

Post by highpockets »

Using the Create Line tool draw a vector at a 45° angel 3.182" long. Or with out math, draw a 2.25" x 2.25" rectangle then using the Create Line tool draw a line for corner to corner.
John
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duster
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Re: beveled edge table top

Post by duster »

Ok, that makes sense. I'll give that try. Thanks!

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adze_cnc
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Re: beveled edge table top

Post by adze_cnc »

Sort what John said except different: start to draw a line then enter 2.25" in dx and 2.25" in dy then click add point. Let the program figure it out.
Steven

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martin54
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Re: beveled edge table top

Post by martin54 »

highpockets wrote:Using the Create Line tool draw a vector at a 45° angel 3.182" long. Or with out math, draw a 2.25" x 2.25" rectangle then using the Create Line tool draw a line for corner to corner.
Or you could draw a 2.25" square :lol: :lol: :lol: :lol: :lol:

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highpockets
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Re: beveled edge table top

Post by highpockets »

martin54 wrote:
highpockets wrote:Using the Create Line tool draw a vector at a 45° angel 3.182" long. Or with out math, draw a 2.25" x 2.25" rectangle then using the Create Line tool draw a line for corner to corner.
Or you could draw a 2.25" square :lol: :lol: :lol: :lol: :lol:
John
Maker of Chips

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