Electronics Forum: electronic (Page 6661 of 7890)

What pressure is recommended to clean AMT boards after reflow

Electronics Forum | Fri Sep 07 15:17:01 EDT 2001 | seand

Hello Everyone, Speedline Technologies' Electrovert Division does offer a number of batch and in-line systems for your cleaning application. A good contact for you to reach to discuss the details of your application would be Bill Boyde at the facto

What pressure is recommended to clean AMT boards after reflow

Electronics Forum | Fri Sep 07 15:20:27 EDT 2001 | ksfacinelli

We have two batch systems installed from Aqueous Technologies and have been very please with there performance and reliability. One machine is utilizing a 5hp pump and generates 60psi the other is a 3hp version and is about 40psi. I think the most

Shield Clips

Electronics Forum | Mon Sep 10 17:07:23 EDT 2001 | Dave G

I've mounted the $%&R$#$&%$(&! pain in the neck shield clips in the past. (Excuse the simulated profanity- I couldn't help myself.) What we went to was a frame & shield combination. (The frames are cast & then plated w/tin. We have used both plastic

How to calcualte the capa. of smt line in high mix low volume.

Electronics Forum | Tue Sep 11 19:54:52 EDT 2001 | gsparka

HELLO. SMTNETERS there is no company in high mix low volume system in our contry so . what is the best way to calculate the capa. of smt line in high mix low volume. & what is the general way to get the defect rate to evaluate the smt line(or sm

Commercial Postings

Electronics Forum | Tue Sep 11 21:12:08 EDT 2001 | davef

I am concerned that the increased number of commercial postings on SMTnet is degrading the technical content and diverting valid posters� attention from the proper exchange of information to non-value added ranting and finger pointing. In determinin

Commercial Postings

Electronics Forum | Wed Sep 26 17:50:59 EDT 2001 | mparker

My Opinion/Editorial- Being a frequent (nearly daily) visitor to SMTnet I find postings by some sales types as being a shameless shilling to drum up business. We even experienced (most recently)an audacious posting that was thinly disguised as being

Stainless Steel in wash system

Electronics Forum | Thu Sep 13 13:34:55 EDT 2001 | bschreiber

Kevin, Hot DI water will leach ions form stainless steel over time � much like an acid effect on metal. If you have ever seen a Steam Age Chamber after about 6-months use, you will know what I mean. DI water is �hungry� for ions and it will take th

Stainless Steel in wash system

Electronics Forum | Thu Sep 20 01:13:05 EDT 2001 | Michael Konrad

Hi Dave, It may be. DI water alone will not build up residue. It can attack the finish of electro-polished (mirrored) stainless steel though. I have seen a white / chalky buildup on poly inline cleaners, usually isolated in the wash section. The

parts popping off during reflow

Electronics Forum | Thu Sep 13 17:57:59 EDT 2001 | davef

You're correct. It is curious. Possible angles to look at are: 1 WS609 loves moisture in the air. In high humidity shops, this paste hakes-on liquid. If this is the case, you should also see slumping, resulting in fine pitch bridging, and solder

parts popping off during reflow

Electronics Forum | Fri Sep 28 09:30:07 EDT 2001 | kmorris

Just had a similar phenomenon 2 days ago. May relate to your issue --- or not. Like you, I did a once over looking for mechanical obstruction & couldn't find any. Ran a thermal profile on the offending PCB & all checked out. Looked in end of oven


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