Electronics Forum | Tue Dec 18 09:44:51 EST 2007 | bbarton
CC True enough, indisputable and factual...my whole point was that there was NO communication from the company(s) or the peddlers on the subject, causing an unimaginable number of wave operators, engineers, production managers and CUSTOMERS to pull o
Electronics Forum | Thu Dec 20 18:32:44 EST 2007 | daxman
I haven't specifically heard of any laminate material that is ESD safe...but I haven't really researched it a whole lot. However, our "ESD" guy found a spray on substance that protects from ESD. We use it for all the plastic garbage cans at our faci
Electronics Forum | Mon Dec 17 10:31:09 EST 2007 | realchunks
Stencils on average should be a low cost to you, compared to the other equipment you are buying. A couple hundred bucks (U.S.) is all you should be paying. Making a stencil is harder than you would think. Set-up a visit with a local shop while n
Electronics Forum | Mon Dec 17 12:11:29 EST 2007 | chef
Whoa dude - slow down- maybe great beer money but if you don't have good environmental and ESD controls in your shed, all your suds slush fund will evaporate in RMA's costs. A small pick and place (table top) would do. A manual screen printer would h
Electronics Forum | Fri Dec 21 04:52:36 EST 2007 | andy1975
Thanks for the posts everybody. I thinks this is all or nothing, I mean set up my own business doing this stuff or forget it. I've been involved in SMT for about 5 years now and feel pretty confident with the process stuff. Just curious to know how
Electronics Forum | Thu Jan 10 18:32:20 EST 2008 | stevek
Our layout guy recently started making land patterns with the corner lands oversized. These are for leadless and various flatpack parts. He claims this is to improve manufacturing. I had seen a few boards with this just as I got out of the CM worl
Electronics Forum | Tue Jan 22 22:38:57 EST 2008 | davef
A minimal ventilation rate of 0.05 cfm per square foot, the recommendation of the 1998 International Mechanical Code. However, this may not take into account other potential building contaminants from such sources as propane forklifts, which require
Electronics Forum | Wed Jan 23 08:41:42 EST 2008 | operator
Actually we don't have local fume extraction at our soldering stations. We have 4 going at a time. I was researching last night and found this website. http://www.engineeringtoolbox.com/air-change-rate-room-d_867.html It indicates 10-15 air changes p
Electronics Forum | Wed Jan 23 13:39:04 EST 2008 | davef
Ventilation rates express the flow rate of outside air brought into a building and are typically normalized by the volume of space being ventilated (air changes per hour), by the area of the floor being ventilated (cubic feet per min (cfm) per ft2) o
Electronics Forum | Tue Feb 12 14:30:20 EST 2008 | rlpearson
Like most things - "it depends". There just isn't a simple formula for applying general air exchange rates. Your baseline should be doing some air quality (industrial hygiene) testing to see what types of exposures the workers have. THEN, you can
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