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scottp55
07-01-2016, 05:00 PM
Playing with the heart /sap line in 3D.
I'm getting there,at least in Black Walnut.
No sanding..straight from machine.
I think oil finish will clinch it.
Pure S*** Luck(and some measurements) :)
scott

Kyle Stapleton
07-01-2016, 06:24 PM
Looks nice, what bits feeds and speeds?

scottp55
07-01-2016, 10:37 PM
Onsrud engraving bit, 30 degree with .005"flat 20%stepover, rastered against the grain. 2,2,18K
Thanks Kyle.

paul_z
07-02-2016, 12:59 AM
Awesome!!!!

cowboy1296
07-02-2016, 08:44 AM
looks great and no need for improvement. I have never used such a bit and use only ball noses. Not trying to be lazy but sometimes i dont trust my aging eyes. If you get the chance to post the part number for that bit it would be great. I am close to your feeds and speeds. I am at 2.6 and 2.6 and use the same rpm. I dont understand fuzzies. One board lots of fuzzies the next board none. And species has nothing to do with it.

scottp55
07-02-2016, 09:21 AM
Rick,
Lately been using the .005"flat(37-21) at 20% step;
http://ballewsaw.com/onsrud-37-21-single-flute-sc-engraving-tools.html

But perhaps the .01"flat I used to use (37-23) at 20% step better for you;
http://ballewsaw.com/onsrud-37-23-single-flute-sc-engraving-tools.html

Virtually always raster against the grain, unless the design lends itself to an Offset toolpath, in which case with these bits I use a conventional toolpath...virtually no fuzzies:)

cowboy1296
07-02-2016, 10:40 AM
Most of my 3-d is so deep and large a 2 inch over all length might be too short. I am hung up on cutting with the grain and I need to experiment with cutting against. I did it by accident once and was really happy with the results

scottp55
07-02-2016, 12:04 PM
Yep, Your work is great as is, but maybe occasionally you could use them to Rest Machine things like feathers/stars etc. for finer detail?
Just thinking.
Works best on Tiny stuff like I do:)
scott

cowboy1296
07-02-2016, 12:14 PM
most of my stuff is 17-18 inches round or tall. i am cutting one as i type for the FAA.

Kyle Stapleton
07-02-2016, 04:26 PM
What is the depth?
One pass or two?

scottp55
07-02-2016, 06:42 PM
Depth was .46" Kyle.
Dished so only the finish pass against the grain right to left.

scottp55
07-03-2016, 08:34 AM
Mucked up on second one.
On first one I measured Heartwood line, and changed model depth accordingly to .46"depth.(proportional depth was .36" deep)
On second one I should have changed model depth to about .34" depth:(
Having 2 people watching over my shoulder, and rushing, made me space changing model depth.
Good enough to sell at a 1947 High School class reunion silent auction, but it could have been better:(