Electronics Forum | Thu Aug 22 05:27:42 EDT 2002 | zolasteven
Hi, With regards to reflow oven or furnace, when conducting a temperature profile how does one determine how many points(Parts) on the pcboard to be measured/connected to the temperature profile. And how to determine what parts to measure? Than
Electronics Forum | Fri Apr 26 15:48:04 EDT 2002 | Steve
I am trying to determine some information about the SMT AOI industry. If anyone can help me directly with the information, or point me in the right direction, I would greatly appreciate it. My questions are: 1) How many SMT lines exist worldwide? 2
Electronics Forum | Fri Sep 12 13:05:21 EDT 2003 | M Cherry
I'm trying to determine approximately how many SMT lines are in the San Diego area, including Tijuana, Tecate and Mexicali. I don't need actual company names or even type of equipment just number of lines, although the other information would be h
Electronics Forum | Mon Feb 12 11:12:16 EST 2007 | davef
Q1. After reflow some boards start producing bumps/bubbles which damage the internal layers causeing PCBs failed in Electrical-testing. How can I eradicate this problem from my assembling process? A1. Find a proper board supplier. Q2. If SMT compon
Electronics Forum | Fri May 05 13:42:28 EDT 2000 | JAX
Charles, This theory normally occurs when the machines being used have a CAM style pick-up mechanism( ex. FUJI-CP series). One of the many things that determine cam speed is how many parts out of a single feeder will be picked( It has to build up sp
Electronics Forum | Sat Jan 11 09:56:15 EST 2020 | jakapratama
There's a lot of parameters to consider in defining stencil life cycle. Average squeegee pressure used, in-process cleaning frequency (auto and manual), physical appearance over time, tension reading over time, and so on to decide how many print cycl
Electronics Forum | Thu Jun 04 12:26:30 EDT 1998 | Dave F
| If you could measure and chart 3 variables in my process, what would they be? | The boards that I produce are on panels that are 12up and 2x4 up. All boards are single sided paper base w/o plated thru holes. They are on scored panels that measure
Electronics Forum | Thu Feb 14 20:24:07 EST 2002 | scott
My first reaction would be to run! FAST! Flex -- well, it... flexes... and isn't flat. While you assemble it, While you transport it, While it goes through the oven... SMT Connectors typically need to be held down during reflow. Fiducial types are
Electronics Forum | Mon Dec 20 07:59:04 EST 1999 | Wolfgang Busko
Hi Mike, many questions and there is no simple answer. How did you manufacture your add-on-boards ? Do you think you can handle the processes that go along with assembling SMT- and THT-Boards ? Before you start determine what you gonna do: - How man
Electronics Forum | Wed Nov 18 10:39:48 EST 1998 | Scott Lolmaugh
| | | Does sombbody know what DPM rate a good and reliable SMT assembly line (incl. solder paste print, assembly and feflow soldering) has? | | | | | Chris, | | It may be helpful if you could translate DPM into a meaningful phrase as many people (my
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