Electronics Forum | Fri Nov 17 00:27:30 EST 2000 | DL
Kris, I gather from your description that the component can not be picked consistently. Meaning that the machine can place the component. How does the component place? Is the placement text book? Take a good look to see if the component isn't being
Electronics Forum | Tue Nov 14 03:00:14 EST 2000 | sarry
I have one suggestion why don't you align all parts and take a close look at it if you can find any misaligned component after that. IF SO, that's machine's repeatibility problem.(or mechenical problem-dirty nozzle, wrong pick up and placement height
Electronics Forum | Wed Nov 01 10:03:42 EST 2000 | Wolfgang Busko
Hi Adam, if your product needs the full width of your wave you won�t have any chance to adjust an angle. For smaller PCB�s you might consider having your carriers made in two pieces. One outer piece to match your transportionsystem and one inner cir
Electronics Forum | Fri Oct 27 08:41:28 EDT 2000 | Wolfgang Busko
1) Na, I wouldn�t give my scope out of hand, need it to much. 2) Profiling for that pin is a good thing. I don�t know your oven but some will react to exessive external air flow ( means windows and doors wide open ) with sudden loss of temperature t
Electronics Forum | Fri Oct 06 09:25:57 EDT 2000 | Kev Head
Most places I've seen don't do anything special. But then again most places only have chip components on the bottom of their boards along with some thru-hole. The best way to find out if you are going to delaminate is to talk to the board manufactu
Electronics Forum | Tue Sep 05 07:38:36 EDT 2000 | JAX
Daniel, I think JOHN and Ramot have some good ideas but I guess I am a little confused. How have you placed BGA's or QFP's in the past. If you are just starting to place them and believe you will continue to in the future, you need to start looki
Electronics Forum | Thu Aug 31 14:27:23 EDT 2000 | Travis Slaughter
How to clean a contaminated board would depend on what it�s contaminated by, alcohol may be just the thing. If there is bare copper that has corroded that could be more of a problem, or maybe not if its due to poor tinning by the board house you coul
Electronics Forum | Fri Aug 25 15:44:00 EDT 2000 | Gilbert Ramirez
One of our distributors currently uses PSA cover tape. This has given us too many problems. We are in the process of trying to decide wether or not to fund them with the money they need to be able to use HAA process(they currently have capability). C
Electronics Forum | Mon Aug 14 01:49:14 EDT 2000 | Joe
G'day, I am interested in hearing about the automatic lubrication of the chains in a reflow oven. The systems I have seem to work to a certain degree. They either lubricate too much, so we end up getting oil on the edges of the PCB, or not enough, w
Electronics Forum | Mon Jul 17 20:30:39 EDT 2000 | Dave F
We are trying to improve the decision process for our Material Review Board (MRB. We have a fairly standard defect identification and MRB process. We are pretty comfortable with our ability to: � Identify problems components and assemblies. � Segre
