Electronics Forum: smt keep out (Page 9 of 298)

SMT fine picth connector lead oxidize-Throw out rate too high!

Electronics Forum | Thu Sep 26 02:15:32 EDT 2013 | winson16

Thanks Joe. I will check through this with machine supplier to understand what's their machine's ability of doing this.

Parts being blown out of place during reflow

Electronics Forum | Fri Sep 16 14:12:23 EDT 2011 | jtownsend

Anyone have experience or advice to help prevent SMT reed switches from being blow out of position during re-flow? We are using a Heller 1707 MK 3. Is it possible to adjust air flow in the oven or do we need to glue before placement??

SMT fine picth connector lead oxidize-Throw out rate too high!

Electronics Forum | Tue Sep 24 08:33:39 EDT 2013 | joekirin

The mechanical centering is used for testing resistors, caps, and other various components. It is also used to center parts by "tapping" them with a set of jaws. When the head picks up the component, it is between these jaws. Each part is setup to

JaNets - question about smt files for machines

Electronics Forum | Wed Mar 01 15:06:47 EST 2023 | dontfeedphils

Then you must be missing a piece of the software suite because I was able to keep and maintain "master" programs on the IS server and then create "job" programs each time they ran a job and those were sent to the machines from a central line control

large smt inductors moving in the reflow oven

Electronics Forum | Sun Feb 07 11:56:05 EST 2010 | mystkldy

Makes us wonder how well the connections on the > component match with the pads on the board. The pads are actually larger than the leads on the part, but I think we may have figured it out. We believe the conveyor vibration is causing it. When we

Re: acceptable defect rates for smt process, in ppm.

Electronics Forum | Sat Jan 15 13:13:33 EST 2000 | Mark Wiegold

Steve, Basically in answer to your question, there is no real set number for defects. Defect rates will vary between products and companies. If my company was running the same product as yourself then there is no reason to suggest that the defect ra

Re: acceptable defect rates for smt process, in ppm.

Electronics Forum | Mon Jan 17 12:16:02 EST 2000 | Brian W.

My old company (CM) ran SMT to 50ppm including some very complex boards. We established the normalizer number by: #components + #solder joints. As was stated earlier, the ppm for any given product is the result of many factors. You may get differen

JUKI FM760L smt placer - How to delete unused components

Electronics Forum | Fri May 20 06:34:09 EDT 2022 | jojoled

Hi, I have JUKI KE/FM760L SMT placer, and have strange behaviour in software : I am unable to delete unused components/FEEDERS. 1.I go to placement data, I create 2 records say 0805 and 0603. 2. Then I go to Component Data and I see 2 compoennts are

Axial Resistors in ammo tape, any machine out there to cut different lengths of tape

Electronics Forum | Thu Jan 27 19:01:11 EST 2022 | Claude_Couture

We have to make several different kits containing 5,7 or 17 resistors (axial leads). These resistors are supplied in ammo boxes or reel. We used to cut the tape by hand with scissors, but we need to cut 10000's of these per week. Has anyone ever seen

what software is out there that will extract XY centroid from gerber data?

Electronics Forum | Sun Feb 16 05:57:02 EST 2014 | alexeis

Hi, From our experience, Gerber files are accompanied by IPC type files. These files usually have extensions: IPC, NET, 356. We have developed products that are designed to help in programming part of the SMT machine, based on these files beyond sta


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