Help with Lake Map

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Help with Lake Map

Postby bbowers12 » Wed Nov 06, 2019 1:36 am

I am brand new to vcarve and CNC.

I am trying to cut out a lake map similar to this using vcarve desktop.
lake1.PNG


I have a lake vector file made from this.
lake2.PNG


The problem is when every I try cut this out like a pocket. I get something like this. I can use a v-bit and get better results, but I was looking for for that straight edge carved out silhouette look. At some point I would also like to inlay this into a cutting board. Can anyone help me try and achieve that look, what toolpath and configuration should I be looking at.
lake3.PNG


Thanks
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Re: Help with Lake Map

Postby gkas » Wed Nov 06, 2019 1:56 am

You could get a more definitive answer if you posted your crv file. The reason your file cut as it did is that the size of the bit is too big for the carving. It won't fit into the missed areas. If you're using the pocket toolpath, you can check the box 'Show Advanced Toolpath Options'. With this option checked , you can check 'Use Larger Area Clearance Tool'. This will allow you to use your current bit as a clearance bit, then switch to a tiny bit for the detail work.
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Re: Help with Lake Map

Postby bbowers12 » Wed Nov 06, 2019 2:24 am

I am using a 1/8 inch bit. How small do you recommend using.
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Re: Help with Lake Map

Postby highpockets » Wed Nov 06, 2019 2:36 am

Are you using VCP V10? The VCarve toolpath in V10 allows for multiple clearance tools.

If so I'd recommend using an 1/8" EM then a 1/16" EM and finish the fine detail with a 30° or 60° V-Bit. Only the very small detail areas will be left for the v-bit to cut and a little taper won't be noticeable.
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Re: Help with Lake Map

Postby bbowers12 » Wed Nov 06, 2019 3:03 am

Something like this?
vcarve.PNG
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Re: Help with Lake Map

Postby highpockets » Wed Nov 06, 2019 3:36 am

Yes, but reverse the order of the clearance tools. It should go from largest to smallest.

If you plan on filling it with blue epoxy you might want to cut a little deeper.
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Re: Help with Lake Map

Postby BretC » Fri Nov 08, 2019 2:27 pm

This is great thread.

I too want to do some old street and road maps. To this point, where can I find information on how to take a PDF or JPG to digital file to carve them with a CNC router.

Thanks!
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Re: Help with Lake Map

Postby Adrian » Fri Nov 08, 2019 4:39 pm

BretC wrote:This is great thread.

I too want to do some old street and road maps. To this point, where can I find information on how to take a PDF or JPG to digital file to carve them with a CNC router.

Thanks!
BretC

The following tutorials all cover image tracing:

https://www.vectric.com/support/tutoria ... or_Drawing
https://www.vectric.com/support/tutoria ... or_Drawing
https://www.vectric.com/support/tutoria ... or_Drawing
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Re: Help with Lake Map

Postby 4DThinker » Fri Nov 08, 2019 7:25 pm

Rather than pocket the lake outline try V-carving it. You can use any v-bit and set the depth. The open area can be cleared out by an end mill.

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Re: Help with Lake Map

Postby 4DThinker » Fri Nov 08, 2019 9:43 pm

If you want to inlay the map there is always the option to do a v-inlay. Not something there is a direct toolpath for, but easy enough to do if you know how: https://youtu.be/l4VMo9DCzO8
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