Using V-Carve Engraving Toolpath w/o flat area clearance

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PLLman
Vectric Apprentice
Posts: 8
Joined: Mon Sep 21, 2015 12:26 am
Model of CNC Machine: Shopbot 4 x 4
Location: Granite Bay, CA

Using V-Carve Engraving Toolpath w/o flat area clearance

Post by PLLman »

The effect I am trying to achieve is to get the rising serif cut of the Engraving Tool without doing the flat area clearance. I want to put a chamfer or roundover on the edge of a through-cut that includes two converging arcs. The convergence produces a space too small for the router bit to clear out, but if I could use a V-bit to produce the ever-shallower cut associated with engraving serifs on letters, it would look fine. Doing a Profile Cut with a V-bit produces a constant depth cut which produces a rounded cut at the end of the arc convergence, instead of the nice sharp point produced by engraving. If I could just "engrave" the outline of the profile I just cut without the flat area cut, all would be well. Any to turn off the flat area cutting?

PLLman
Vectric Apprentice
Posts: 8
Joined: Mon Sep 21, 2015 12:26 am
Model of CNC Machine: Shopbot 4 x 4
Location: Granite Bay, CA

Re: Using V-Carve Engraving Toolpath w/o flat area clearance

Post by PLLman »

Well, I figured out half the problem. Since Flat Area Clearance produces it own tool path, I can ignore it and end up with just the engraving tool path. However, the engraved path puts the edge of the V-bit chamfer at the edge of the previous profile cut, leaving no chamfer except in the "serif." So now all I have to do is make a new tool path that is equal to the chamfer width outside the profile, I think I will have it licked.

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