Electronics Forum | Fri Jan 30 06:28:42 EST 2009 | gregoryyork
Hi Armando Hotflow 7 is a big machine and one of the best Reflow ovens around (in my opinion), well suited for Lead Free. A typical 1.6mm board has the following settings for Lead Free SAC305 paste All Temperature settings are Top and Bottom Prehea
Electronics Forum | Sat Jun 12 19:08:11 EDT 2004 | Ken
Well, it finally happened. A machine Operator did not follow our bar code process and "grabbed a tube of solder paste" and guess what. Built 250 assemblies with LF paste when it should have been Tin/Lead!!!! SOLDER PASTE SUPPLIERS: can you make t
Electronics Forum | Wed Oct 19 11:33:15 EDT 2011 | caerleon
easier if you recycled on-site? You can still send off for reclaimation the oxide powder that your left at the end of the process. Failing that talk to your supplier to see if they have arrangements to do this for you or look at reducing dross - i f
Electronics Forum | Wed Oct 19 20:04:06 EDT 2011 | warwolf
yeah I’ve tried to go down the road of internal recycling but the company carnt justify spending 20k on a machine that does it. Ah but where still onto it in other places though our SMT department has very minimal wastage on solder paste as we have b
Electronics Forum | Tue Jun 01 19:42:46 EDT 2004 | Ken
The biggest fear is mixing the solder pastes and bar solder. Had a training program for teaching folks what the alloys are and how to read them. I have locked up the bar solder and use the buddy system to restock the pot. Put up many signs on le
Electronics Forum | Fri Oct 17 22:36:35 EDT 2008 | arosario
Hi All, We just started build a new product and I am encountering many non-wet rejects in our new product. I need help on what should I look into to improve our Yield. Please see below back ground 1. We are using DEK Infinity as printer. 2. We are mo
Electronics Forum | Wed Feb 21 14:14:11 EST 2007 | rgduval
Hi, Bill, Lead-free solder and paste manufacturers will be a great resource for you during the transition; they've tested their products extensively, and their application groups have been able to help me through the biggest changes. There are a fe
Electronics Forum | Tue Dec 23 10:31:46 EST 2014 | jimpat
Sounds like your volumes are pretty low. Pick and Place is the bottleneck in the assembly line. Consider an oven that can keep up with the throughput of your P&P. "The best" is determined on individual cases for a specific application and enviro
Electronics Forum | Fri Jan 28 15:08:28 EST 2005 | Chunks
A place called Lace Technologies is in St. Charles Ill. They specialize in running lead free protos etc. Could save you some money in the long run. Charlie Han is the guy and http://www.leadfreeassembly.com is the web site. Or call Charlie Han 1-
Electronics Forum | Fri Sep 22 02:19:25 EDT 2006 | lead free tester
The directive is called RoHS. Meaning that is > not only the lead that is the issue. The > materials need to whithstand a hihger > temperature, not only delta T is an issue (but > huge). Moisture sensitive devices: how to handle > these? You wil
