Electronics Forum | Thu Mar 21 16:45:31 EDT 2013 | dyoungquist
We have been using a Heller 1707EXL (7 zones + 1 cooldown zone) for lead free (ROHS) soldering since 2007 with good results. I wouldn't go any lower than 7 heat zones though. If I may brag a bit....The IPC-7095 revision C standard was released a fe
Electronics Forum | Mon Mar 25 10:22:20 EDT 2013 | rgduval
You mentioned that you changed the layout some, and this can be essential in this type of process. If the SMT parts and TH leads have inadequate spacing on the bottom side, shorts may be inevitable (someone else will have to advise what the recommen
Electronics Forum | Tue Apr 02 13:08:40 EDT 2013 | babe7362000
It has been years since I used autoprogram. But I believe your low reference number is your low slot number on the base and then the ref. is what slot you will teach your feeder ref. to the far left. And the High slot number is the higest slot numb
Electronics Forum | Fri Apr 05 10:34:46 EDT 2013 | mandm
Hey Hi, I am new engineer in Electronic Manufacturing Industry. I have a similar problem here,operator applies the flux by dipping the PCB in the flux bath. So could anyone please help me with following questions 1) What could be the possible impacts
Electronics Forum | Tue Apr 02 13:43:54 EDT 2013 | ericrr
On one of the products uses a QFP (Quad Flat Package)which is not going on straight, maybe 20 pins per 4 sides. sometimes I have to tweak the alignment before the board goes in the oven, this practice can be a bit of a worry if you over tweak it - pa
Electronics Forum | Wed Apr 03 16:27:39 EDT 2013 | gregp
Does anyone have a master cross reference chart for Yamaha/Philips/Assembleon pick and place machines? In particular I am looking to know what the Yamaha models equivalent models are in the Philips/Assembleon line up. The other important bit of inf
Electronics Forum | Wed Apr 24 12:55:26 EDT 2013 | markhoch
Our Safety Committee has tagged the Fixture Changeover process as potentially unsafe due to the weight of our ICT Test Fixtures. (They range from 40-60lbs each) I've been tasked with investigating a lift, (aka a "cherry picker"), to assist in loadin
Electronics Forum | Thu Apr 25 09:57:31 EDT 2013 | jaimebc
We aquired an ERSA ECOSELECT 2 selective soldering machine. So we are going through a learning curve and I would like to hear from ERSA users on this subject. The main concern is to keep the miniwave steady, it seems that it " bounces" a lot and is
Electronics Forum | Mon May 06 12:20:09 EDT 2013 | davef
Gold in solder alloys can be brittle. We always used to talk about keeping gold LT 3% in order to avoid embrittlement. Some military contracts require removal of gold from soldered contacts. Adding gold to a solder alloy that you're familiar with wi
Electronics Forum | Thu May 02 10:25:14 EDT 2013 | wahahasteven
we have a Specialty coating system (SCS) precisoncoat spray coating system. we are using an acrylic coating material with about 80cp viscosity. The spraying pressure is around 4-6 psi. The main issue is the finish looking of the board. If we apply hi
