> > Message: 2 > Date: Sat, 11 Oct 2014 16:59:18 +0100 > From: andy pugh <bodge...@gmail.com> > Subject: Re: [Emc-users] Oscilloscope + logic analyzer (PC based) > To: "Enhanced Machine Controller (EMC)" > <emc-users@lists.sourceforge.net> > Message-ID: > <can1+yzxygcrlj7a02wxrunc9ghyxx6mhzzbckoeogwzmoov...@mail.gmail.com> > Content-Type: text/plain; charset=UTF-8 > > On 11 October 2014 02:53, Gene Heskett <ghesk...@wdtv.com> wrote: >> burnt teflon > > This advice probably comes far too late, but you need to be _very_ > careful with burned teflon. (or any other fluorocarbon). > One product of combustion is Hydrofluoric acid. > >>From WIkipedia: > "Hydrogen fluoride is generated upon combustion of many > fluorine-containing compounds such as products containing Viton and > polytetrafluoroethylene (Teflon) parts.[17] Hydrofluorocarbons in > automatic fire suppression systems can release hydrogen fluoride at > high temperatures, and this has led to deaths from acute respiratory > failure in military personnel when a rocket-propelled grenade hit the > fire suppression system in their vehicle.[18]" > Bl**dy horrible stuff that it is, it doesnt scare me quite as much as some of the other joyful aspects of fluorine chemistry; if you have an idle couple of minutes see here:
http://pipeline.corante.com/archives/2010/02/23/things_i_wont_work_with_dioxygen_difluoride.php http://pipeline.corante.com/archives/2008/02/26/sand_wont_save_you_this_time.php And the Sainted Stross: http://www.tor.com/stories/2012/07/a-tall-tail Its a cruel irony that the cure for the fire killed them. Cousin of mine was a Captain in the Irish Guards, and when they came in from patrol all the wagons had to take their turn in a special bay where the sappers would remove the (often multiple) RPG rounds that were stuck in between the bars of the slat armour! Id love to have a go at stir welding, (its used for the main vehicle 'armour' - about 2" of aluminium!), but I doubt an aluminium extrusion machine has the rigidity to stir weld beeswax. This thread has deviated somewhat, I hope you found a decent scope/LA in the end. ------------------------------------------------------------------------------ Meet PCI DSS 3.0 Compliance Requirements with EventLog Analyzer Achieve PCI DSS 3.0 Compliant Status with Out-of-the-box PCI DSS Reports Are you Audit-Ready for PCI DSS 3.0 Compliance? Download White paper Comply to PCI DSS 3.0 Requirement 10 and 11.5 with EventLog Analyzer http://p.sf.net/sfu/Zoho _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
