Electronics Forum | Sat Oct 01 11:48:45 EDT 2005 | Hiram
Hello everybody, We are in the process of implementing NC process on the wave solder. We have a Sonotek XL fluxing system. Any ideas out there? Solder used: SN100C Flux options so far: 264-5 flux, 270WR VOC-free 9both from AIM solder) The flux ch
Electronics Forum | Mon Oct 03 12:11:18 EDT 2005 | PWH
Soon we will be manufacturing board assemblies on our SMT lines that will utilize both lead and lead free water soluable solder pastes. I have read some discussion about change-over from lead to lead-free jobs related to machine cleanliness, etc. H
Electronics Forum | Mon Oct 10 17:47:10 EDT 2005 | jhagve
hi We start to make a product which have a 0.4 mm pitch IC and start having problems with not enough solder printed, to solve this problem we had to increase the manual cleaning, now we are cleaning the stencil every 8 printings, before we was runnin
Electronics Forum | Fri Oct 14 07:56:32 EDT 2005 | davef
On understencil cleaning: * It's a good idea to do this to reduce printing defects, as you say. * We clean dry. * Our cleaning frequency varies acording to product, maybe ranging from 10 to 20 prints, averaging around 12 to 15. * As long as cleaning
Electronics Forum | Tue Oct 11 10:49:14 EDT 2005 | jhagve
HI We start to make a product which have a 0.4 mm pitch IC and start having problems with not enough solder printed, to solve this problem we had to increase the manual cleaning, now we are cleaning the stencil every 8 printings, before we was runnin
Electronics Forum | Fri Oct 14 09:21:36 EDT 2005 | lupo
According with temperature vs. wetting force diagram 245-250C/degrees is better, so lower temperature than 500F means better solder fill. If the speed is too lower the solder suck out form the hole. Usually 120-150cm/min. is good. (2-4s contact
Electronics Forum | Fri Oct 14 13:12:30 EDT 2005 | Mika
Thanks Patrick, I our mixed standard HASL/RoHS production area; our customer have choosen Ni/Au plating for their RoHS boards. What You are saying (3.); is that we should be more attentive on the quality of the pcb manufactory. Even if our customer
Electronics Forum | Mon Oct 17 16:11:14 EDT 2005 | saragorcos
Hello all, I am just trying to get the word out anywhere I can think of to encourage people in and around Indiana to come to the first meeting of the Indiana SMTA Chapter 10/20/05 at 6:30pm taking place in Kokomo, IN - email me if you're interested i
Electronics Forum | Fri Oct 21 08:03:40 EDT 2005 | Mike
Hello Darby, because of the machine configuration it depents very strong on the feeder configuration and on the board if the 3 heads more give you so much more CPH. Realistic it will only be 1-2000 CPH more in realistic operation. On the other hand
Electronics Forum | Sat Oct 22 14:42:28 EDT 2005 | bobpan
we had a special nozzle made and used the new quad 0402 feeder and the machine didnt miss a part.....but its probably best only to use 1 head to pick the parts because of the z being not 'perfect' between heads and thats where you would have problems
