Re: [mfg-smartcam] G-10 anyone?

[JOE MEDEIROS]

thank you for all of your suggestions. they were all very helpful. the list came through again for me. i appreciate the responses.                   On Tue, 30 Mar 2004 07:50:09 -0800 "PEPE" <[EMAIL PROTECTED]> writes: Joe: We've acheived great success machining phenolic by using solid carbide two-flute end mills (upshear). Some of the techniques we employ include the following:   chip load of .002 per tooth, limiting depth of cut to tool radius, ramping into material, as opposed to a straight plunge, finishing pass which removes .0015 of material.    Our experience with diamond tooling is that while it's durable when subjected to abrasive materials it loads up with the resins found in phenolic materials and loses much of its cutting effectiveness and produces powdery chips and a rough edge finish.   May I also suggest that you consult any machine tool dealer in your area who carries either Robb Jack- in Lincoln, CA or Onsrud end mills?  (we use Robb Jack WD1-201-16 end mills)   (I also sent this reply to the Smart CAM user's group, but it hasn't shown up yet)   All the best, [EMAIL PROTECTED] 408-435-8383 -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]On Behalf Of JOE MEDEIROS Sent: Monday, March 29, 2004 3:38 PM To: [EMAIL PROTECTED] Subject: [mfg-smartcam] G-10 anyone? i am wondering if anyone has any experience machining G-10 phenolic or any similar "fiberglass" material. i have machined several parts with great difficulty, and would like to know if maybe i am doing it the bass-ackward way as far as feeds and speeds go. i am using pcd end mills. any suggestions would be greatly appreciated. thanks.     JOE MEDEIROS PRECISION PLASTICS SACRAMENTO, CA 916-568-5284