Electronics Forum | Mon Jan 04 10:47:48 EST 2021 | mbass
Hi, As a user of EP P&P machines for over 20 years I have used Gen 1 & Gen 2 Trolleys. If you can get Gen 2 Trolleys with Elements that would be the preference as there are a few options available on the Gen 2 not on Gen 1. That said the Gen 1 Trolle
Electronics Forum | Thu Apr 07 19:17:43 EDT 2022 | cbart
Good afternoon The ISI I was mentioning is interconnections solutions which is a division of Molex. a few years back we ran into a component end of life situation but had thousands of very high dollar bare boards in stock. the package was a BGA and w
Electronics Forum | Thu Apr 07 20:42:19 EDT 2022 | stephendo
The boards were just a little larger than a SOT8. IIRC we had a pizza slicer type depanelizer and it wasn't too bad. We just did enough to populate the bare PCBs we had. Where I am now a customer has us put a QFP and a few other parts on a SOW28 f
Electronics Forum | Thu Nov 02 04:42:48 EDT 2023 | tinaheussaff
In general, it is safer to use a single alloy with a known composition and performance characteristics. If you need to change the alloy used in your selective soldering machine bath, it is advisable to consult with the manufacturer or a soldering exp
Electronics Forum | Thu Feb 22 04:00:02 EST 2001 | Scott B
We are increasingly being asked to store components for longer and longer periods which we know through experience leads to reduction or total loss of solderability of the parts. 1) What is the industry accepted shelf life of tin/lead plated compone
Electronics Forum | Tue Jun 04 19:33:16 EDT 2002 | rob_thomas
Dave's estimation is pretty conservative but there is a lot of equipment out there and a lot of people happy to make a sale.Implementing both mentioned processes it's difficult and time consuming .Even if you get good training from whoever sells you
Electronics Forum | Mon Apr 08 20:43:58 EDT 2002 | davef
Regardless of the design technology of the board, we use shop floor management software that: * Calculates the period that it takes to assemble a job. Obviously, we enter product-manufacturing information [ie, BOM, material receipt dates, process fl
Electronics Forum | Thu Mar 03 09:04:26 EST 2005 | russ
Been following this thread and have a question, Why do "touch-up" people follow different criteria than "Q.C." people. It sounds like the root of the problem is not addressed but bandaids are being put into place. We have no "Q.C." department and
Electronics Forum | Fri Jul 15 10:04:02 EDT 2005 | stepheniii
It depends on what you want to accomplish. I believe DB Cooper wants a better product with less wasted effort. If so then Russ and DaveF are the ones to listen to. If you want to impress managers, customers, and others, then you are doing it right.
Electronics Forum | Tue Dec 13 17:41:04 EST 2011 | davef
A Study Of 0201’s And Tombstoning In Lead-Free Systems, Phase II Comparison Of Final Finishes And Solder Paste Formulations http://sheaengineering.com/Documents/APEX%2008%200201s%20and%20Tombstoning%20phase%202%20paper.pdf CONCLUSION The condition
