Electronics Forum: rework (Page 185 of 293)

High Volume PCB Rework in INDIA, CHINA?

Electronics Forum | Sun Jul 02 22:22:18 EDT 2017 | bentepcb

To promote your products or services by slanders others is not good. Of course, some Chinese products undermine market reputation due to poor quality, but needless to say, most of Chinese products are cheap and fine, I believe that no matter which co

85K grant. How best to use?

Electronics Forum | Fri May 20 03:14:03 EDT 2016 | designhaus

Hello, We are about receive an 85.000 USD award grant towards purchasing manufacturing or testing equipment for our company. We are trying to figure out how to best use this grant. Here are short facts about us: We are a design house, so all our ma

Wave Solder Bean Bags

Electronics Forum | Wed Jun 08 12:30:38 EDT 2016 | deanm

Lead forming can provide retention during wave soldering. There is the simple offset method, the dimple and compound forms. All of these are outlined in IPC-AJ-820A. It would probably require automated lead forming equipment using special dies. GPD m

Mask Fiducial Problem

Electronics Forum | Wed Jan 25 00:46:09 EST 2017 | cmarasigan

Our Stencil Mask Fiducial vanishes from black color to light where our Screenprint machine unable to detect fiducial during batch teaching (auto set-up alignment). Does anybody here encounter the same problem? I am searching for a dark marker or any

QFP bent leads

Electronics Forum | Thu Mar 02 10:09:02 EST 2017 | rvines1

We have a board with an LQFP-176 with 0.5mm pitch. We regularly have to rework these due to unsoldered pins, which is due to pins that are slightly bent upward. We believe that we are receiving them this way, but it may also be due to handling on o

How are you reworking high mass LED pcb's?

Electronics Forum | Thu Aug 31 09:06:23 EDT 2017 | hxamalia

Hello ALL Good day , it is Amalia from HX Circuit Technology Co.,Ltd in China, we are a prefessional PCB factory with many years. We forcus on producing Aluminum PCBs for LED , please contact with me now ,thanks Email: amalia@hx-circuit.com Sky

Tombstone components issue after reflow?

Electronics Forum | Fri Aug 11 22:50:57 EDT 2017 | heros_electronics

Anyone who knows how to prevent such flaw? Tombstones are those lifted components from one sides. This results in costly and time-consuming amounts of touch-up and re-work after the assembly is completed. For the customers, this extra work translate

In need of SMT-Maestro install files

Electronics Forum | Fri Jan 11 05:27:10 EST 2019 | spoiltforchoice

Weirdly, while I had a copy I had never made use of that feature, I used to use it to find locations for manual placement or rework. In fact I wrote my own tool to do BOM Merging, what would be excellent would be if the original creator of SMT-Maestr

PCB defects

Electronics Forum | Thu Dec 14 14:29:53 EST 2017 | barryg

We did check for oven clearance thinking the same , but there is plenty clearance. We have however found that the problem was on several lots of PCBs. We ran a fresh lot and problem went away. There appears to be some kind of contamination on the PCb

Nordic aQFN73 stencil design

Electronics Forum | Tue Apr 10 08:37:36 EDT 2018 | davef

Hi Steve ... I found nothing in the manufacturers "paper" to help. Comments are: * I agree. No blobs. Solder on the thermal pad should me minimized. Too much solder will float the component. Old timers used to talk about 50-80% coverage. * If you'


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