Electronics Forum | Thu Mar 02 14:04:30 EST 2006 | amol_kane
do u mean program as in software? Minitab can do all the basic statistical analysis for your data and give you Cp, Cpk Values. The Cp and Cpk values are derived from estimates from the data (hence necessary to have Confidence Intervals). Regards, Am
Electronics Forum | Mon Feb 12 12:52:48 EST 2007 | stepheniii
Would their calculatoromiters set off my BS detector? It's quite sensitive with things like Cp,Cpk and use of statistics. Or are they actually genuinely usefull?
Electronics Forum | Mon Feb 04 08:47:10 EST 2008 | cokedigits
QEs. You gotta love them. They live in a fantasy world of charts, graphs, and meaningless statistics. In most companies, they're part of the problem....and not the solution.
Electronics Forum | Tue Jun 24 11:51:24 EDT 2008 | paul_bmc
Who performs SPC (Statistical Process Control) in your surface mount or through hole department? The machine operator, an inspector, or a seperate SPC inspector?
Electronics Forum | Sun Mar 25 02:13:11 EDT 2018 | alexeis
Hi, Our solution isn't opensource. We are developing and customizing it for each machine output. Also, our solution are checking for new information and importing it automatically in the background process. If you want more information, you can se
Electronics Forum | Tue Jan 30 21:20:08 EST 2001 | davef
Juran�s "Quality Control Handbook" [McGraw Hill] is an excellent resource. It is, by and large, accessible by those who are not conversant in the Central Limit Theorem [like who is?], although it will help explain whatever that thing is that I just
Electronics Forum | Thu Sep 27 10:28:29 EDT 2001 | John S
It seems to depend on your situation. We're an OEM manufacturer and run the same products for extended periods of time. We monitor process indicators such as Dave listed, but we also monitor process defect trends. This is product specific of cours
Electronics Forum | Tue Aug 24 06:29:04 EDT 2004 | johnnybravo
1. quite easy. if you create a smart database for yourself to keep the algorythms easily available, it becomes even easier. 2. reliable, once they've been set up, and "burnt in". in the first couple of weeks they tend to have "child sicknesses". su
Electronics Forum | Thu Aug 20 22:24:56 EDT 2009 | davef
Getting started * "Statistical Process Control for Surface Mount Technology" [(0967503396) WS Messina, Ph.D., President, Data Sleuths, 8311 Via de Ventura #2075 Scottsdale, AZ 85258: 602-321-0549 Fax: 480-348-9636 datasleuth@yahoo.com ] has a chapter
Electronics Forum | Tue Jun 07 10:38:34 EDT 2011 | davef
Boots: Here's several methods for guessing at the amount of solder on your connection: * First, 'Down & Dirty' ** Assume that the solder is flat, which is reasonable since it's 'flattened' by the component package ** Assume 100% paste transfer from t
