Sharp tools, lots of negative rake, always make a cleanup cut at same size as last setting. Good luck, Jeff Dayman Waterloo Ontario Canada ----- Original Message ----- From: "Tony Wells" <oaksfield@xxxxxxxxxxxxxxx> To: <modeleng@xxxxxxxxxxxxx> Sent: Friday, March 18, 2005 11:08 AM Subject: [modeleng] Machining Delrin > I have been asked to machine some Delrin for someone, and the only other time I have tried this material I made a right ball of cotton of it. Has anyone any useful tips or hints please? > Thanks, > > Tony Wells. > > MODEL ENGINEERING DISCUSSION LIST. > > To UNSUBSCRIBE from this list, send a blank email to, > modeleng-request@xxxxxxxxxxxxx with the word "unsubscribe" in the subject line. MODEL ENGINEERING DISCUSSION LIST. To UNSUBSCRIBE from this list, send a blank email to, modeleng-request@xxxxxxxxxxxxx with the word "unsubscribe" in the subject line.