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25-01-2016 #1
Last Activity: 16-03-2025
Hi, I want to cut a long, wiggly groove 1 mm wide in engraving brass, 2mm deep (blank is 3.2mm thick). I have a Denford Novamill and plan to do the job with a 1mm diameter slot drill. As I don't have many of these, and prefer not to break them (!), any advice on feed, speed and DOC would be welcome please! My feeling is to cut at ~100mm/minute, at maximum revs (about 5000), about 0.5mm DOC per pass. Does this sound reasonable?
TIA, John.Last edited by JohnHaine; 25-01-2016 at 05:14 PM.
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25-01-2016 #2
Last Activity: 06-07-2022
More like 42mm/min at max rpm and 0.5mm doc
https://emvioeng.com
Machine tools and 3D printing supplies. Expanding constantly.
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26-01-2016 #3
Last Activity: 16-03-2025
Ok, thanks, looks like I was over egging the feed rate somewhat!
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26-01-2016 #4
Last Activity: 06-07-2022
Add this to your book marks for future reference: http://zero-divide.net/index.php?page=FSWizard_SA
he also does an app in ITunes or play store. Worth the £11https://emvioeng.com
Machine tools and 3D printing supplies. Expanding constantly.
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