Bevel edge

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monlover
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Model of CNC Machine: Omnitech 4X8 with 8 tool

Bevel edge

Post by monlover »

Hi
I am trying to create a molding 1 1/4 width X 5 1/2 height with beveled edge all way around using a V bit but leaving some thickness around not beveling all way .

can not find any training online showing how to do this.

i tried to use molding tool path but it gets so confusing when highlighting the inside 2 lines ( red color)

thank you in advance.
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Bevel molding.crv
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bevel_tool.png

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dealguy11
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Re: Bevel edge

Post by dealguy11 »

1. To use a v-bit, use a profile toolpath, cutting on the outside vector, setting the cut depth to whatever you want the depth to be. This may leave a little shelf on the edge if your v-bit isn't really sharp, so as an alternative you can offset the outside vector a small fraction of an inch and use that vector instead to leave a nice edge on the bevel.

2. To use a moulding toolpath, you will need to use one of the red vectors in your file, and also create a sweep vector with the profile of the bevel. I've attached a file with an example. I replaced both of your red vectors with a vector offset inwards by .25", and created a sweep vector. Note the little tail on the outside of the sweep vector that forces the bit to the end of the profile.
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Bevel molding v2.crv
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Steve Godding
Not all who wander (or wonder) are lost

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SteveNelson46
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Re: Bevel edge

Post by SteveNelson46 »

Something like this? Green nodes are the start points.
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Bevel molding.crv
(44 KiB) Downloaded 51 times
Bevel.jpg
Bevel-Node Edit.jpg
Steve

Samson
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Re: Bevel edge

Post by Samson »

For a simple bevel as this, I use a table saw. For me, it's much faster. Sometimes the cnc isn't the best suited tool for the job.

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SteveNelson46
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Re: Bevel edge

Post by SteveNelson46 »

Samson wrote:For a simple bevel as this, I use a table saw. For me, it's much faster. Sometimes the cnc isn't the best suited tool for the job.
Me too. I guess it would depend on where it's located in the carving.
Steve

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