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You can't really do light cuts in wood (like a 'spring cut' in metal) because it'll splinter etc, maybe that's what was happening so the deeper cut from the higher feed rate helps with that.

You could always put the feed rate back to what it was and crank up the cutter speed and see what it does, if only for your own amusement.

Tony

-----Original Message-----
From: [email protected] <[email protected]> On Behalf Of
spencer@...
Sent: Thursday, 13 May 2021 5:36 AM
To: [email protected]
Subject: [MachCNC] is this possible

I am getting really tired of making the same parts i have been making for 7
years. the only fun is making improvements. So I decided to work on my
gcode and clean it up and optimize tool motion. gets a little scary when i get
close to a fixture but i managed with no crashes.

I was previously (last many years) using various feed speeds and then using
feed override to get the speeds i really wanted. it has taken years to fine
tune the speeds to deal with varying grain etc etc.

BTW, running mach4 with ESS

So i changed every F command to double what it was and ran the program.
I think i notice a significant improvement in finish. Specifically i was getting
long wood fiber threads on the top surfaces (upcutter but ordered a bunch
of other bits to try including expensive ones by Vortex.

This makes no sense to me but i have only cut 10 parts. Usually 5 are OK and
then one has some strange grain pattern in it and it comes out stringy but
after doubling the speeds (still that same speed in the end because i use FRO
of 100%) i have not had a stringy part and the finish elsewhere looks better?

Am i hallucinating?

Best regards, Spencer Chase
67550 Bell Springs Rd.
Garberville, CA 95542 Postal service only.
Laytonville, CA 95454 UPS only.
Spencer@...


(425) 791-0309