Electronics Forum | Mon Dec 16 04:26:28 EST 2019 | fidra
Hello, we have problem to install software on new hard drive, old one lost some files and can not be repaired by NT4.0 repair procedure. We have floppy with program and setup files for this machine. Thanks in advance
Electronics Forum | Wed Dec 18 09:37:24 EST 2019 | davef
People still cut holes in the roof for process venting? Where do you live? Montana? Three companies that support SMTnet want you to consider their fume extraction equipment: * Metcal * ShenZhen J-wide Electronics Equipment Co.,Ltd * PACE Worl
Electronics Forum | Wed Dec 18 10:25:45 EST 2019 | dwl
I worked at a similar sized facility in Texas, and we had everything connected to one vent and exhausted outside. A word of advice; Your outside vent will leak in heavy rain, don't put it over any equipment.
Electronics Forum | Wed Dec 18 15:22:01 EST 2019 | dwl
We were using a heller 1500 and an electrovert minipak wave solder. I don't recall the duct width or CFM. 6"-8" maybe? Probably want to over size it a bit as its easy to turn the fan down if you start sucking out the AC.
Electronics Forum | Thu Dec 19 16:43:00 EST 2019 | tey422
Even here at SF bay area, we also cut holes at the roof. We just moved to a new facility building 3 months ago.
Electronics Forum | Thu Dec 19 17:13:02 EST 2019 | kylehunter
So how'd you do it? Each machine has a separate hole? Or all piped to one?
Electronics Forum | Thu Dec 19 18:44:06 EST 2019 | tey422
We opened 2 separate holes at the roof. 1 for the SMT 2 reflow ovens to share; another 1 for the wave soldering.
Electronics Forum | Fri Dec 20 17:14:57 EST 2019 | slthomas
Yeah, I can't imagine our AC having nearly enough head room to handle that additional heat load in the summer.
Electronics Forum | Fri Dec 20 20:40:36 EST 2019 | kylehunter
OK great! Seems like there's (mostly) a consensus on the ducting outside, and it seems like the multiple units to one duct is doable. What are you thoughts on the floorplan/layout then?
Electronics Forum | Mon Jan 06 12:21:21 EST 2020 | rgduval
We wanted to filter the exhaust from the oven and selective solder...so, the ducting from the machines went into a common plenum that contained both a particulate filter, and a HEPA filter. That plenum exhaust was connected to a roof fan that vented
