At the mechmate forum (http://mechmate.com),
we use a enclosed box and was pass air through it using a air filter. That is plenty enough to cool your PC and stepper drivers, unless you have a very large machine (I didnt follow the complete thread). Ries On Nov 4, 2011, at 10:32 AM, Viesturs Lācis wrote: > 2011/11/4 Les Newell <les.new...@fastmail.co.uk>: >> In general wood dust does not affect computers that much. I have seen >> machines with piles of dust inside, still working fine day in day out. >> Heat is an issue so do as much as possible to keep it cool. Possibly fit >> an over sized CPU cooler. > > The thing is that machine works correctly for 40-50 mins, then > malfunctions begin to appear - it does not run a file, when button is > pressed and some other. Or it ruins a part, just as if motor had lost > steps, but the trick is that next part if good without rehoming or any > other activity taken - just change material and run the file. > And the more machine is running the more often these malfunctions > appear. That tells me that some parts in machine are overheating and > thus not functioning properly. I would like to blame the dust that > gets in all the narrow places on the boards and disturb normal heat > dissipation. > > >> If you want to enclose the computer in a box, fit a fan on the side >> pushing air into the box. In other words the box becomes slightly >> pressurized. That stops dust from creeping in through cracks or door >> seals. Filter the air coming in with an air filter from an older car, >> the type that is just a big round ring that sits in a frying pan shaped >> housing. Clamp it to the side of your box with a round disc of wood or >> metal. You will have to replace the filter fairly regularly but they are >> quite cheap. > > That is why I would like to put them in totally sealed box. > In that case I could implement water cooling for PC components. > What should I do about monitor? > >> Many bigger commercial machines use air to air heat exchangers so the >> clean air inside the box and dirty air outside never mix. > > Any idea, how to do that in a cost-effective way? > > Viesturs > > ------------------------------------------------------------------------------ > RSA(R) Conference 2012 > Save $700 by Nov 18 > Register now > http://p.sf.net/sfu/rsa-sfdev2dev1 > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users ------------------------------------------------------------------------------ RSA(R) Conference 2012 Save $700 by Nov 18 Register now http://p.sf.net/sfu/rsa-sfdev2dev1 _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
