The Day I Trusted My Gut Over the Feed Rate and Scrapped a Job
I was running a job in 304 stainless steel, which is not my favorite material to begin with. It work- hardens, it galls, and it has a habit of making you think everything is fine right up until the moment it is not. The part was a flanged fitting, about 300mm long, needing a 16mm through-hole with an Ra 0.4 finish. The feed rate on the setup sheet said 0.08 mm/rev, which seemed aggressive to me for stainless. ...