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Slowing down for holes

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Slowing down for holes

Postby Rusty35 » Fri Jun 16, 2017 6:29 pm

How does everyone slow down for holes?
I have tried using cut rules for holes but it only slows down for part of the hole on larger holes and ignores smaller holes.

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Re: Slowing down for holes

Postby motoguy » Fri Jun 16, 2017 6:43 pm

Put the holes in their own layer. Set the feedrate for that layer to your chosen slowdown rate (I usually use 50% of the regular feed rate). If you don't want to use THC (you usually don't on small holes), set the "min dist before THC) to hole to diameter x 3.2, or radius x 6.3, + your lead in/lead out distance. I usually just make it easy by selecting something like 20 inches on any holes under 2 inches. :)
Bulltear 6x12 w/ Proton Z axis & watertable
CommandCNC/Linux w/ Ohmic & HyT options
Hypertherm Powermax 85 w/ machine torch
Solidworks, Coreldraw X7, Inkscape, Sheetcam

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