Electronics Forum | Tue Jul 02 15:50:28 EDT 2002 | blnorman
FIrst, be a doubting Thomas and never trust supplier propaganda sheets, do your own testing. How often do you knead the paste? We have a standing requirement that if the paste printer is idle for 30 minutes, we have a minimum of 4 kneads before pri
Electronics Forum | Thu Dec 31 01:09:18 EST 1998 | Kelvin Chow
Dear Micheal, SIR test is used to characterize fluxes by determining the degration of electrical insulation resistance of rigid printed wiring board specimens after exposure to the specified flux. (IPC TM-650 #2.6.3.3 http://www.ipc.org/html/tm2.6.h
Electronics Forum | Fri Sep 12 00:19:37 EDT 2003 | Dean
In my humble opinion: 1. Use of computers and software to support cad programming and industrial automation. 15 years ago I was making programs with a pair of calipers and a swing arm digitizer. Now in a few hours an entire line (2 P&P machines,
Electronics Forum | Mon Sep 14 10:16:47 EDT 1998 | Larry Johnson
Our company currently donesn't have any type of sonic wash to wash boards that have been "miss printed" Wanting to know the best way to go about this. So what we are having to do is spray down the boards with alcohol and wipeing the solder paste of
Electronics Forum | Sat Sep 19 11:02:53 EDT 1998 | Kevin Ham
| Our company currently donesn't have any type of sonic wash to wash boards that have been "miss printed" Wanting to know the best way to go about this. So what we are having to do is spray down the boards with alcohol and wipeing the solder paste
Electronics Forum | Wed Dec 05 18:22:14 EST 2001 | gbarrows
I assembly boards that have 200 each of the MICTOR connectors. The boards are .300" thick. I have 100% solder fill in the holes. I also have developed a rework process so I can remove and replace the connectors if the they get broken by my custome
Electronics Forum | Fri Sep 20 05:17:10 EDT 2002 | byates
What are the error codes?? you dont even know if it is the vision type until you have checked this out. It could be camera lighting. Do you know how to use vision trace on your machine? What is your x&y tolerance? What about vision 254 or 255 have yo
Electronics Forum | Fri Jul 25 13:12:22 EDT 2003 | Bill
Brad, If you are considering ERSA equipment, we have a 2001 ERSA Versaflow High Speed Selective Solder Machine for sale. Please contact me at b-morgan@carolina.rr.com or call me at 704-795-6610 Ext 13 if you would like details. Also, please visit ou
Electronics Forum | Wed Nov 01 00:19:29 EST 2006 | Cingular Man
Are you setting up double side PCB that has the tall components on the bottom that being push up by the support pins... ??? Or because your vacuum is leak and not holding the board at the same spot every time you are loading the board.... Board warp
Electronics Forum | Fri Mar 16 17:15:51 EDT 2007 | davef
Ask the board fabricator to: * Fill the vias with resin. * Then metalize and copper plate the filled via along with the pad. * Then plate with solderability protection. This results in what appears to be a solid pad. For more, look here: http://www
