Electronics Forum | Wed Mar 05 09:34:32 EST 2003 | HAROLD LICHT
WE HAVE A NEED TO BOND SOME LOW TEMPERATURE LED'S TO A THIN CIRCUIT BOARD LAMINATED TO A HEAT SINK. HAS ANYONE USED AN ULTRASONIC WELDER TO WELD COPPER GUL WING LEADS TO A COPPER PAD USING ULTRASONICS? IF NOT HAS ANYONE USED RESISTANCE SPOT WELDING
Electronics Forum | Thu Oct 26 04:36:05 EDT 2006 | aj
All, We have a Ultrasonic Welder "Sonotronic 35/1200" manufacturer M.E.E. in Johanesburg. The machine was here when I started and we use it probably once or twice a year. Basicall welds a Plastic key housing together,. I have no manuals for this m
Electronics Forum | Thu Sep 20 12:37:10 EDT 2007 | hussman
As long as your operator is grounded, a pair of welders gloves is fine. The leather kind do not build up static and do last a while. If the same pair of gloves is being used for dedrossing the wave, pay special attention to loose fitting gloves. I
Electronics Forum | Thu Jul 21 14:14:26 EDT 2016 | tombstonesmt
We're a high mix low/medium volume manufacturer. We are required to keep profile boards on hand with TC's still attached. Which led us to make our own in house. We use the welder below.. Very easy and much more affordable. http://www.dcccorporation.
Electronics Forum | Sat Jan 19 09:30:45 EST 2002 | davef
Yes, you can rework your thermocouples, but consider using a method other than arc welding. Arc welding can join thermocouples, but it uses a filler. The filler adds a third material that affects the slope of the thermal profile. We rework our the
Electronics Forum | Wed Feb 04 10:38:38 EST 2009 | davef
Typical Protective Equipment Includes: * Safety glasses: While you're waiting for others to reply, search the fine SMTnet Archives to find threads like: http://www.smtnet.com/forums/Index.cfm?CFApp=1&Message_ID=54221 * Fire Resistant Smock * Face Sh
Electronics Forum | Fri Nov 16 14:10:01 EST 2001 | mparker
I have oftened wondered how this industry lets its workers get away from being responsible. The best way I know of is to have them buy their own tools. Just take a look at the trades - carpenters, plumbers, welders, sheet metal men, body repair, mech
Electronics Forum | Sun Nov 30 08:53:15 EST 2003 | davef
IPC-6012A finds "circuit repairs" as acceptable in Class 1, 2, and 3 only "As agreed by user and supplier." So, it is your call, basically. Generally these repairs, if done properly, are reliable. See IPC-7721, 5.2.3, for conductor repair by welding
Electronics Forum | Thu Aug 04 19:05:32 EDT 2022 | proceng1
I have been using this with good results. https://www.amazon.com/Portable-Machine-Welding-Equipment-Storage/dp/B092DB5R3S/ref=asc_df_B092DB5R3S/?tag=hyprod-20&linkCode=df0&hvadid=507714472492&hvpos=&hvnetw=g&hvrand=16970206287231
Electronics Forum | Mon Aug 04 07:58:50 EDT 2014 | philc
Many thanks for the (very) useful and honest answer. I had thought that £1000 was too little, but we don't have a local supplier, so have to rely on internet descriptions. There appears to be many machines out there described as "BGA replacement mach
