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Topics - Bherr

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General Mach Discussion / looking for machinists near me for help
« on: May 24, 2006, 07:58:57 AM »
Anyone out there live in or around the Johnstown, PA area that wouldn't mind spending some time giving me some simple training??

Call me at 814-243-1673


General Mach Discussion / feed & plunge rates for Aluminum
« on: May 24, 2006, 07:55:12 AM »
Hey guys, Finally got all my problems with the shopmaster and BobCad software corrected and now ready to start milling. I checked in my machinists ready reference book for the proper feed and speed rates for milling aluminum. I'm using a .375 flat milling bit and want to do some surfacing, taking only .0625 depth of cuts. In the bobCad they have F20 for feed rate and F15 for plunge rate. Not quite sure what that means???? the refernece book say for 1/4 bit and 1/4 cut the feed rate should be .005-.020 and the speed at 250. that seems very slow for turning speed. Anyone out there help me.

814-243-1673 or reply here.

General Mach Discussion / Newbee w/Unknown problem
« on: May 21, 2006, 01:34:48 PM »
Here's my setup: Tri-power CNC with Mach III and BobCad/Cam software. I running BobCad version 20.7 and have completed my drawings and generated the G-Code. I then save that file and import to Mach III. I've checked the code and it exaclty the same as the code generated in BobCad. I spoke with Dan at Camtronics and corrected some setup errors do the configuration should be right in Mach III. When I run the G-code in simulation on the BobCad it does exactly what I want and how I want it, however when I dry run the program thru Mach III it doesn't run the program like run in BobCad. I recently downloaded the newer version .7 from my installed v20.6 and now with the problems noted above I can't even open BobCad at all. While I'm sure I can correct the activation by installing my old version of BobCad I'm wondering if anyone out there has experienced this code problem. I've had BobCad support check the code and its good, so why doesn't Mach III run it like its written?????


Pages: 1