On Wed, 16 Feb 2011 09:57:02 -0500, you wrote: >Hello, Steve, > >I am a shop noobie so please excuse simple questions. > >On Wed, Feb 16, 2011 at 5:25 AM, Steve Blackmore <st...@pilotltd.net> wrote: > >> >> 25 passes seems high though for that pitch? In 86xx steel I do 5 passes >> for 1mm pitch, 10 for 1.5 and 15 for 2mm (all plus 2 spring passes). >> > >What are spring passes?
You run the last pass or two at the same depth. It allows for any deflection of the stock, tool or machine. No matter how rigid your machine is it always seems to take a little more off. >> >> If I let CAM calculate the passes on removal rate for insert it's much >> less, it will try and do a 2mm pitch in 7 passes. I can do that but need >> the coolant on, back to the no covers or guards problem. >> > >Do you have to take covers off when you run coolant? I thought that the >main purpose of covers is to contain spraying coolant and flying swarf :) No - the covers are off because it is a development machine and being modified from time to time. It is still usable though :) Steve Blackmore -- ------------------------------------------------------------------------------ The ultimate all-in-one performance toolkit: Intel(R) Parallel Studio XE: Pinpoint memory and threading errors before they happen. Find and fix more than 250 security defects in the development cycle. Locate bottlenecks in serial and parallel code that limit performance. http://p.sf.net/sfu/intel-dev2devfeb _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
