Electronics Forum | Thu Feb 14 21:16:00 EST 2002 | davef
Has anyone looked at the economics of running a 2meg [min] DI water batch cleaner ... * Open loop * Closed loop What are the assumptions of your analysis? Our inclination is that it is not worth the money to set-up and maintain a closed looper.
Electronics Forum | Thu May 17 07:45:20 EDT 2018 | vikrantraina
We have Heller Reflow Model 1809 EXL. Today we opened it hood for internal cleaning but now not able to close them. Hood opened more from entry side. We tried to manually force open from exit side & check closing with open/close button, but hood comi
Electronics Forum | Tue Aug 27 13:52:24 EDT 2002 | Mike Konrad
MK, In most cases, if the machine is completely closed-looped (prewash, wash, prerinse, rinse, final rinse etc), then the water should not require changing. As with most inline cleaners, there should be a considerable amount of water loss in the cl
Electronics Forum | Wed Nov 28 16:30:31 EST 2012 | rgduval
We've just acquired a batch washer at an auction, and want to install it as a closed loop system. The only problem is I have no idea where to turn or what to look for for a drain filtering system that will allow us to make it a closed loop system.
Electronics Forum | Tue Nov 08 17:12:10 EST 2005 | Erik
I haven't heard of heating boards pre-depanel either. We have done extensive studies on cracking of ceramic caps close to V-scored edges and have decided to have our board vendors pre-rout any areas with caps close (
Electronics Forum | Tue May 26 18:17:22 EDT 1998 | Jerry
Our experience has been that mechanical crack occur vertically through the chip. In other words perpendicular to the board surface. You can sometimes tell through close inspection that the crack may have propogated from a point that the nozzle may
Electronics Forum | Fri Feb 15 14:19:15 EST 2002 | seand
Hello Dave, With regards to acquiring data and additional insight to cost of ownership and your technical concerns for closed loop recirculation, a good contact for you may be Brian Mahue of Resys. Resys specializes in closed loop recirculation sys