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  1. 25-01-2016 #1
    JohnHaine's Avatar
    Lives in Cambridge, UK, United Kingdom.
    JohnHaine
    Last Activity: 14 Hours Ago Has been a member for 9-10 years. Has a total post count of 360. Received thanks 40 times, giving thanks to others 1 times.
    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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