Electronics Forum: circulation systems (Page 1 of 2)

DI water

Electronics Forum | Tue Mar 30 13:40:30 EST 1999 | dennis warner

We've been using a newly installed DI re-circulating system. It's been a big headache. Mostly understanding what causes our resistivity to be unpredictable. I think I've got a handle on that part now. The system consists of a Carbon,HMR(chealet),Cati

Re: DI water

Electronics Forum | Tue Mar 30 19:58:25 EST 1999 | Scott McKee

| We've been using a newly installed DI re-circulating system. | It's been a big headache. Mostly understanding what causes our resistivity to be unpredictable. I think I've got a handle on that part now. The system consists of a Carbon,HMR(chealet),

Vent Residue Cleaning

Electronics Forum | Thu Aug 22 15:31:52 EDT 2002 | Claude_Couture

In an oven with flux reclamation system, once the circulation is prevented by accumulation of flux in the heat exchanger, the flux will condense where it can, and some of it will coat your PCBs with a uniform layer of flux on the parts/ joints/ goldf

Re: DI water

Electronics Forum | Tue Mar 30 16:51:17 EST 1999 | Chris Lampron

| We've been using a newly installed DI re-circulating system. | It's been a big headache. Mostly understanding what causes our resistivity to be unpredictable. I think I've got a handle on that part now. The system consists of a Carbon,HMR(chealet),

Re: DI water

Electronics Forum | Wed Mar 31 14:31:02 EST 1999 | dennis warner

| We've been using a newly installed DI re-circulating system. | It's been a big headache. Mostly understanding what causes our resistivity to be unpredictable. I think I've got a handle on that part now. The system consists of a Carbon,HMR(chealet),

Foam in the wash

Electronics Forum | Thu Jun 14 17:12:17 EDT 2007 | cman

Is the prewash water going to drain or being re-circulated? If you are re-circulating don't send all or a portion to drain (or your treatment system) even sending a small portion to drain and adding fresh will reduce foaming. You will pull more water

Re: DI water

Electronics Forum | Fri Apr 02 11:18:02 EST 1999 | Scott McKee

| | We've been using a newly installed DI re-circulating system. | | It's been a big headache. Mostly understanding what causes our resistivity to be unpredictable. I think I've got a handle on that part now. The system consists of a Carbon,HMR(cheal

Reflow Oven Profiling

Electronics Forum | Tue Apr 25 12:29:35 EDT 2006 | Rob

Hi TMC, It's very unlikely that you'll get a temperature variation of 32 degrees by varying the top and bottom heaters - especially if it's forced air convection, as if it's a half decent system the hot air will be circulating in the zone, pretty qu

Re: Corroding Solder Joints

Electronics Forum | Tue Dec 28 10:57:53 EST 1999 | Amy Castor

I have tried the water soluble flux and the aqueous cleaners but I got the same results you did; horrible corrosion and a white flaky mess. I know exactly what you're talking about. We do a lot of hand soldering around here, and the magical solutio

UltraSonic cleaning machine

Electronics Forum | Thu Sep 26 14:03:55 EDT 2002 | Randy V

There are allot of issue to washing that need to be considered before you purchase a washer. But to answer your question regarding ultrasonic cleaning: 1. Ultrasonics with the correct frequency will not damage most components. Washing in general can

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