New challenge

Computer Numerical Control

New challenge

Postby loyd » Thu Dec 26, 2019 6:58 pm

My step son and his wife are visiting from Shanghai, China and as they usually do, they brought some souvenirs. One souvenir is a set of book marks.
20191226_184419 (Copy).jpg


They are about 1/16" thick, about 5" long and 1 1/4" wide. I don't know what the material is but it's dyed and very intricate.

Of course, the question was: "Can you make those Loyd?" My guess at the time was a definite: "Maybe"! But today, I decided that it looks like a pretty good challenge so after designing one using Vcarve, I ran one on the CNC machine.

20191226_180041 (Copy).jpg

I guess the answer is "yes, but!" My version isn't as intricate as theirs but it's similar. The 1/16" thick material is a bit willowy and prone to be pulled up by the bit extraction as the cuts progress, but I got away with it.

Maybe a chance to do a little experimenting to break the monopoly of the between holiday period. :lol: :lol:
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Re: New challenge

Postby rgulley » Thu Dec 26, 2019 9:18 pm

A down cut bit would help prevent the lift up. A laser would help with more intricate designs. No matter how you create them, they don’t seem very durable. But I agree if someone says “Can you make this”, you gotta say “Sure!”, especially if yo have a CNC. :D
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Re: New challenge

Postby sid_matheny » Thu Dec 26, 2019 10:36 pm

Sure looks like you met the challenge head on and won!
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Re: New challenge

Postby loyd » Fri Dec 27, 2019 7:37 am

I've contemplated the laser attachment for the Shark . . . a little.

The souvenir pieces were quite stiff compared to my 1/16" stuff from Woodcraft. It's probably plasticized in some way.
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Re: New challenge

Postby loyd » Fri Dec 27, 2019 9:19 am

20191227_084757 (Copy).jpg


Next step: See if you can do it again. I'm not too sure this is worth the effort. I think a better bit [other than a 60degree Vbit] would be a better choice for the script and sketches -- if I do another.
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