Electronics Forum | Tue Dec 09 14:17:13 EST 2008 | dphilbrick
We exclusively use a printer to do glue these days but keep in mind there are times when glue and paste work best. Things like poor layout (ie shadowing) or tall parts that may shadow themselves or a wave solder machine that is not particularly good
Electronics Forum | Wed Dec 10 00:15:07 EST 2008 | jeffjarmato
Are there any good solutions for getting good barrel fill on PTH boards using Pb Free solder and No Clean flux. All of our boards are having issues getting minimum required fill per IPC. It does not matter if the board is 062 or thicker, any pin conn
Electronics Forum | Sun Jan 31 18:05:30 EST 2010 | davef
Questions are: * What kind of oil is this? Where did it come from? * In olden days, we used to pour oil on the wave solder pot to limit dross formation and loosen-up the solder. Miss that stuff, sigh. * Is there oil under the BGA? It's surface ten
Electronics Forum | Wed May 23 11:57:00 EDT 2012 | patrickbruneel
Since you have an alcohol based flux one more thing you can try to eliminate flux encapsulation under the connector. Is flux a board and remove when fluxed. Let the board sit for an hour to assure all solvents are evaporated and place the board in th
Electronics Forum | Thu Jun 13 12:28:41 EDT 2013 | kahrpr
18000 psi is what a injection molding machine can produce depending on the size of machine. When doing over-molding/insert molding the machines are a lot smaller less than 1000 psi and a lot of smaller items less than 500 psi. as far as Temperature 3
Electronics Forum | Fri May 02 11:09:13 EDT 2014 | pawloa
Hello. We have a Minipak 300 wave solder machine from Electrovert and are looking in particular for a tachometer that attaches on the finger conveyor motor to measure the speed in pulses. We are also looking for the thermocouple that is used to moni
Electronics Forum | Mon Aug 07 13:27:40 EDT 2017 | dleeper
Are you seeing this on bare PCBs or after assembly? with Immersion silver, the finish over the copper should be very thin and uniform, that's the main advantage of ImAg. You should not be seeing excess plating filling vias unless: A)Its HASL, not
Electronics Forum | Wed Jul 18 07:11:22 EDT 2018 | ir11
Dear SMT Experts, Just want to seek for expert advice regarding Ceramic PCB. Our Customer want to run ceramic PCB and want to understand the challenges that we might encounter. Anyone have their experienced running or dealing with Ceramic PCB, what
Electronics Forum | Wed Jul 18 07:30:18 EDT 2018 | ir11
Dear SMT Experts, Just want to seek for expert advice regarding Ceramic PCB. Our Customer want to run ceramic PCB and want to understand the challenges that we might encounter. Anyone have their experienced running or dealing with Ceramic PCB, what
Electronics Forum | Fri Jun 07 04:57:53 EDT 2019 | gregoryyork
Its more than likely the conveyor is slightly out and needs dropping. You do have a fairly significant contact though so are you sure the Solder pot isnt running too cool for Lead free, needs to be around 275C for good wicking and flow or 250C if lea
