Electronics Forum | Mon May 04 21:31:55 EDT 2009 | dougt
I haven't worked on that machine in a while but here's a couple things to check. I'm pretty sure the verifier "feeders" have to be in the first feederslot on each side, make sure they are there. I think offsets for the verifier "feeder" are automat
Electronics Forum | Tue May 12 16:04:24 EDT 2009 | microdot
hi, we have recently got a PS-400 BGA reflow from china. has hot air top heater, IR & hotair bottom heater and 6 IR bottom heaters. We are able to handle all type of desktop boards but in few of the laptop boards we still have problem. The profiles
Electronics Forum | Mon May 25 04:51:44 EDT 2009 | microdot
hi, we tried making a profile of a chip ATI 9000 mounted on a toshiba laptops, this is on a small pcb. the picture i have enclosed is used to remove the but when we tried to solder the chip using the same profile..it didnt work. Can anybody suggest
Electronics Forum | Mon May 25 08:30:48 EDT 2009 | cyber_wolf
I assure you this is no add. I have posted on here for years, and NO we do not recieve benefit from Juki. I am just a technical guy that has worked in the trenches every day with various pick and place machines over the years. Let me re-state that I
Electronics Forum | Wed Jan 06 04:43:22 EST 2010 | deltaservices
If you are working smt machines in Europe or US then your most important issue is setup time and operators needed to run the machine. People are way more expensive then machines. I know the assembleon machines, Gem line and the new MG lines are grea
Electronics Forum | Mon Jun 01 11:38:28 EDT 2009 | operator
So would the proper technique be as follows: 1. Grounded operator picks up PCB from ESD rack and attaches a 1meg(wrist strap cord)shunt to ground to a grounding surface on the pcb. 2. operator sprays conformal coating onto pcb using a spr
Electronics Forum | Mon Jun 01 18:44:54 EDT 2009 | scunneen
Hello there, I have a new board, fairly heavily populated with a number of FPBGA on it. The smallest has a pitch of .4mm.I have 3 questions, 1st what is the best appeture for this small pitch. 2 Will type 3 paste work or will I need type 4, and fina
Electronics Forum | Tue Jun 02 22:19:17 EDT 2009 | mikehe
We have been doing BGA's for years now, and I would suggest updating your profile and place a thermal couple on the BGA, keep in mind the bigger the part the more heat it will need, We stencil print all of BGA's from simple bga's to complex ones, you
Electronics Forum | Fri Jun 19 07:50:26 EDT 2009 | stepheniii
I worked for a company that had an industrial nurse come in to discusss lead with us. Short version; "There is nothing in the plant that will even come close to vapourizing lead" and "don't eat it". She said it's normal for everyone to ingest some
Electronics Forum | Tue Jun 23 08:08:38 EDT 2009 | ptxems
We have a couple of Zeva/Juki PM570L's. One machine has developed a fault with the z axis motor. It is continually 'buzzing', we have checked and there is 24VAC on it. Although even on the other machine there is AC voltage on the motor. We have sw
