Electronics Forum: pass (Page 72 of 142)

No-Clean flux residue from Secondary Ops

Electronics Forum | Mon Sep 23 12:59:12 EDT 2013 | pauldavis4

New pcba supplier sent us first article pcbas (SMT, Wave & hand solder operations) that failed our testing due to no-clean flux residues found under ICs and around passive capacitors. Second lot came in and had 100% pass yield, but we still see a cl

Fuji CP3 Main-Conveyor error Problem

Electronics Forum | Sat Sep 28 15:58:38 EDT 2013 | sonavc

Hi. 'm new to this Fuji CP3, I bought this machine in working condition ( I saw it ran, but I forgot to check the board in and out ).... Moved to my location, Problem: When the board is trying to load to the X-Y table, it passed the conveyor B but

siemens f5 software booting...

Electronics Forum | Tue Mar 25 15:16:16 EDT 2014 | yuran111

machine controller BIOS loads only cyclically until pressed reset button on it - now checks the configuration and loading tasks load. hard drive I can take from the controller Siemens s27 example? motherboard came from s27 machine, and the same softw

browny, brassy, dark, HAL Pb-free pads

Electronics Forum | Tue May 20 07:55:27 EDT 2014 | andrzej

Hi, I am facing an issue with PB-free HAL on our boards (270 pcs of 800pcs lot). I look for a root couse for this issue and I guess it is strongly related with PCB manufacturing process. In attachment you can see PCB with dark pads. They turned grey

What is a typical SMT placement defect rate?

Electronics Forum | Wed Jul 16 11:57:11 EDT 2014 | markhoch

We're a Tier 1 Automotive Supplier building, what I like to call, Peanut Butter and Jelly Boards. (High Volume, Low Complexity) Our first pass yield, using standard 1st Article Inspection and AOI is about 98-99% on any given day. Last night, for ex

Poka yoka tool for assembly of chip capacitors and resistros

Electronics Forum | Mon Sep 08 11:54:42 EDT 2014 | gregp

Hello Spoilt... Yes it's true about the kitting being important but we also offer a component tester/verifier option for our system. The components can be tested for each insertion if you wish. The machine will not allow a component to be inserted

Tin Lead Solder Paste

Electronics Forum | Wed Aug 12 17:18:03 EDT 2015 | dyoungquist

Here is our solution: We run the assembly line 40 hours per week and use 500g cartridges of solder. We take 1 cartridge out Monday morning and leave it out until the end of the Friday shift when it is put back into the refrigerator. That means you

CM402 - lead check option

Electronics Forum | Wed Mar 23 09:32:34 EDT 2016 | dhollland

Can someone explain to me how the scan position of the lead check works and it measured? On our machine the scan position was at .2. I changed this to .1 and could not get a QFP to pass lead check. I then placed it at .25 and haven't had any failur

Contamination of the cleaning agent

Electronics Forum | Mon May 09 13:55:33 EDT 2016 | dyoungquist

Omega Aqua Clean LPH. The flux we use in our selective solder process is Kester 2235. Our process cleans water soluble flux very well if cleaned within 24 hours of the boards being processed. We have sent boards off for cleanliness testing per sta

Mirtec AOI

Electronics Forum | Thu Aug 18 09:41:05 EDT 2016 | jbuckley

Typically on my company's Mirtec systems, any anomalies, such as cracks, chips, etc. on chip capacitors and chip resistors are going to be detected with just a basic mounting inspector. We have a full image of the part (solder joint not included) as


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