Electronics Forum | Mon Jan 17 12:16:02 EST 2000 | Brian W.
My old company (CM) ran SMT to 50ppm including some very complex boards. We established the normalizer number by: #components + #solder joints. As was stated earlier, the ppm for any given product is the result of many factors. You may get differen
Electronics Forum | Mon May 18 10:54:46 EDT 1998 | Jerry
If it's really low volume I would only invest in a stencil printer and convection reflow oven to start with. If you want to go really low budget get a manual unit such at one from Transition Automation. Make up some really good shop aids and have s
Electronics Forum | Fri Mar 05 18:40:41 EST 2004 | dgjjr
We also use a SAWA. Works great. Easy to use. Small footprint. Easy to implement into our process. Nothing "strapped" to my operators as previously stated. Evaluated several units under 10K. Some were very good, some not so good. SAWA matched our
Electronics Forum | Sun Feb 19 12:16:12 EST 2006 | slthomas
Where in the world are you? Is it naturally that dry and you'e trying to keep it up, or do you dry it to that state? 'round here 40-45 is the norm so we don't put much thought into controlling it.
Electronics Forum | Mon Mar 29 18:17:48 EST 2004 | kerryn
It should be noted that some of the main reasons to change from manual cleaning to automated stencil cleaning are: � Manual cleaning is not consistent � quality is totally in the operators hands � Contamination left on the stencil and in the aperture
Electronics Forum | Mon Jul 07 00:22:38 EDT 2003 | sam
Thanks for all the answers. I should clarify that the problem was found to be on the SMT LED gold plating, instead of PCB gold plating. We had confirmed this problem by running some DOE experiments and some reliability testings. We had decided to d
Electronics Forum | Wed Sep 22 14:45:01 EDT 2004 | Michelle Ogihara
As many people have participated in this email string, including competitors and customers of Sawa, I would like to respond to especially one rather detailed email expressing concerns with this stencil cleaning system. Also, this teaches me to keep
Electronics Forum | Thu Apr 19 02:51:33 EDT 2007 | fastek
A few more facts: 1) China has between 100-160 cities with populations of over 1 million. America has 9 and all of Europe has 36. 2) China will produce 325,000 engineers this year....5 times as many as the United States. 40% of all American student
Electronics Forum | Sun Jan 24 04:34:19 EST 2010 | dearkim
I'm going to manage a efficiency of my SMT line. Final target is increase the output. But I don't make a decision of the efficiency index. What is the efficiency index in SMT line. In my opinion is... First, Output CPH/actual CPH(Based on optimized c
Electronics Forum | Wed Apr 18 20:41:59 EDT 2007 | Machine Designer
The point is that shift is all about adapting not doom and gloom. BTW: Thanks for the flame and insulting words Brett. Way to hijack a thread that merely pointed to some interesting facts that could create some interesting dialog. I was merely inviti
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