Electronics Forum | Wed Nov 21 16:53:09 EST 2012 | jmelson
We use an LM2575 switching regulator, and have had no trouble reflow soldering it. It is made for that purpose, so no big tab with the bolt hole, and the leads are pre-bent for SMT. Note that soldering the part to the PCB doesn't really give the he
Electronics Forum | Tue Nov 20 15:32:12 EST 2012 | lace138
Hi Guys, I recently have moved my 2 smt lines (Assembleon) and need to make sure my compressed air quality does not have any oil and water. The specs in the manual state "water and oil free" compressed air which is very vague. Would anyone know wh
Electronics Forum | Mon Nov 26 16:07:56 EST 2012 | jerlong
Greetings, Does anyone know where to find a tape and reel flatness specification? Looking at the EIA 481-B standard, there is no reference to the tape flatness (the images shown may "imply" flatness from one side of the tape to the other, However I
Electronics Forum | Thu Nov 29 11:06:47 EST 2012 | davef
Approaches to getting started are: * Most batch cleaning equipment suppliers provide both open and closed loop options on their machines. Talk to them about upgrading your machine. * There are companies that specialize in supplying closed loop system
Electronics Forum | Sat Dec 08 00:09:24 EST 2012 | jlawson
Mentor(Valor) has dfm softwares that not only looks at the stecnicl layers buy can look at other impacts that could effect the optimisation of the stencil design, ie solder mask layer tolerances defined from fabricator-design etc - this is a upper en
Electronics Forum | Sun Dec 02 16:18:22 EST 2012 | sarason
A few years back when I was working in a Hybrid company we used carriers machined from aircraft grade aluminum. Its easy to machine on a Mill doesn't bend so easy when mishandled.The thing to know is do your flex circuits sit flat when placed on the
Electronics Forum | Mon Jan 21 07:51:44 EST 2013 | ericrr
On used machines: The 'technical' owner of the company who recently sold up his part of the company said, "always give the machine a regular grease up!" otherwise the bearings might fail and that will cost BIG money to repair, he added that some ethn
Electronics Forum | Tue Dec 04 15:01:02 EST 2012 | davef
Here, the aim of using protective gloves in the SMT assembly area is to keep solder paste from operator hands for safety reasons. And sure, you make a good point, while you're trying to determine the correct material, it's a good idea that these glov
Electronics Forum | Tue Dec 04 17:18:15 EST 2012 | davef
Dan: OSHA is going to expect that you have a safety plan with lockout/tagout, blood bourne pathogen control, hazardous material spill remediation procedures, first aid preparedness, emergency flushing, etc. While not required specifically in the co
Electronics Forum | Wed Dec 05 10:25:43 EST 2012 | davef
OSHA grants no waivers, neither should you. People need to be educated to the hazards of their work place. Bosses need to stand up, be adults and enforce prudent methods to keep their employees safe. Bosses will be blamed when something goes wrong, n
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