Electronics Forum | Mon Nov 13 14:58:56 EST 2017 | davef
Determine the origin of the solder * Sloppy paste printing technique * Lax stencil underside cleaning practices * Sloppy misprint cleaning practices * Poor part placement practices creating solder balls * Poor material control allowing solder p
Electronics Forum | Mon Nov 13 12:17:58 EST 2017 | slthomas
Hi All, We have a new customer with a new design asking for us to leave the center VIP (8 mil drill) on a 9 ball uBGA (.5mm pitch) unplugged. What are my options should I be unable to convince them that this is going to be problematic? Obviously it
Electronics Forum | Mon Nov 20 12:36:42 EST 2017 | emeto
Hi, there are several things that I see here. 1. Part is saying misaligned on the top blue bar and missing on the initial list. 2. Part is neither misaligned, neither missing - it is wrong value. 3. How is your part thought? How many inspection wind
Electronics Forum | Sun Nov 19 23:03:22 EST 2017 | macrorie
Hello, New user here, so I apologize for treading on toes and/or showing a lack of knowledge. My question is this: Is there any where that has collected the parts definitions for newer parts that one could use in AutoProgram? It would seem to me
Electronics Forum | Thu Jan 04 02:40:55 EST 2018 | buckcho
hello, my colleague ProcEng1 is right. The main problems are the gears, which easily are stuck with foil, the shutter, which has to be lubricated and not bend. Air cylinders on the machine have to be changed if you have misfeeds still. They look pret
Electronics Forum | Mon Apr 02 12:09:28 EDT 2018 | proceng1
No idea. They are also being "failed" by the operator. If they have a part that won't pick consistently, they often blame the feeder and tag it and put it in for maintenance. He usually checks it for functionality, makes sure all screws are tigh
Electronics Forum | Mon Nov 20 15:10:56 EST 2017 | bstogsdill
Aerospace/military application- we have recently installed an SMT line. Our prior cleaning of RMA flux was Isopropyl Alcohol only, but with the reflow oven on line, the flux is now baked on. I am looking into FLUX OFF cleaner for removal of t
Electronics Forum | Tue Jun 18 04:01:07 EDT 2019 | aite
Hi! You can choose low-temperature solder paste. The low-temperature solder paste is tin and antimony with a melting point of 138 °C. When the components of the patch cannot withstand the temperature of 200 ° C and above and the patch reflow process
Electronics Forum | Fri Dec 01 14:57:25 EST 2017 | darby
Hi Jeff, Glad to see you are still around. The two S's were my first port of call....you know how hard it is to knock new information into my head. Apparently there is no visual indication. They've suggested cleaning the unit with ISO etc but I think
Electronics Forum | Wed Nov 29 08:55:35 EST 2017 | capse
I represent Fancort Industries. We provide "pizza cutter" and horizontal opposing blade "guillotine" style v-score depanel equipment. The edge clearance requirements are 0.030" - 0.050" for the wheel cutter and down to 0.020" for the opposing blade e
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