Electronics Forum | Sat Jun 28 08:17:21 EDT 2003 | davef
We form a barrier to contain the dye, but regardless it is messy. Actually, we no longer use dye, per say. We use the stuff machinists use for staining metal. Look here for hints: * http://www.ivf.se/Elektronik/dye_penetrant/edefault.htm * http:
Electronics Forum | Wed Jul 02 10:19:08 EDT 2003 | caldon
It kills me when people say "We have been doing this for 10 years and we will not change" guaranteed one day the shite will hit the fan when they have a screw up. We have ran into this before... Until/unless they are willing to work with you you wil
Electronics Forum | Tue Jul 08 20:24:26 EDT 2003 | davef
AlCapone: Consider determining the responsible party according to their ability to deal with the complexity of collecting and analyzing the information required to determine your process capability index. For expample: * Reflow oven: Fairly simple,
Electronics Forum | Fri Aug 01 13:30:14 EDT 2003 | SuePH
I understand your need for more wave solder imput. It seems to me that every year the pwb's that I am given for solder wave are thicker and have more ground planes. There have been times I have asked questions on SMTnet about pwb's received in hous
Electronics Forum | Mon Jul 28 08:54:52 EDT 2003 | davef
You are 100% correctomundo about ENIG. When it's good it's good, BUT when it's bad, you just want something else. You know you have black pad, when you see parts falling from the board. First, there is not perfect solderability protection. Second
Electronics Forum | Mon Aug 04 10:45:24 EDT 2003 | davef
On one hand, your suspicion is reasonable. Worst case, maybe you could workout an agreement that would lessen those concerns, like conducting price negotiations with the equipment supplier directly. While our suppliers sign a nondisclosure form, we
Electronics Forum | Mon Aug 04 10:55:35 EDT 2003 | caldon
My experience with Samsung has been great...very capable machine..so no issues with the machine itself. there are actually a lot of these machines in use....My problem is the Internal support..I know as of June they had 3 Services people supporting t
Electronics Forum | Tue Aug 05 09:50:04 EDT 2003 | Sat
Thanks for the feedback and appreciate your views. Here are my thoughts on the issue: Our engg's and operators say that Samsung is the easiest machine to train new operatos on. They however love Universal and Mydata and are pretty open to getting an
Electronics Forum | Mon Aug 04 21:37:29 EDT 2003 | davef
We loose power all the time. So, we have a UPS the size of a four of cases of beer on our telephone system. On placement machines, most people opt for an orderly machine shut-down, rather than completing the program, but you can do it either way.
Electronics Forum | Mon Aug 11 17:48:39 EDT 2003 | Brian W.
Assuming you are working to IPC standards, are you working to Class2 or Class 3? Class 2 has an exception to the 75% barrel fill (para 6.3.1, page 6-7). "As an exception to fill requirements of Table 6-2 on PTHs with thermal planes or conductor
