Electronics Forum: checking (Page 300 of 631)

Vapour phase soldering - problem

Electronics Forum | Wed Aug 19 01:00:13 EDT 2009 | sergey2007

Hi! Thanks to everyone! Josh, I don't think it could be something wrong with the mechanics, as just one component was rotated. Anyway, we will check the mechanical parts of the oven. LarryD, thank you for the advice. But what is the physics of the

Solder Wire Expiry Dates

Electronics Forum | Wed Sep 09 10:24:03 EDT 2009 | clampron

Hi Dave, J-STD-005 is the standard for solder paste requirements. I checked J-STD-006 for solder alloys fluxed and non fluxed and could not find any information on expired wire and how to requalify. Is there some other place that I should be looking

ENIG CONTAMINATION

Electronics Forum | Thu Oct 22 03:24:39 EDT 2009 | shinseimy

Base on my PCB experience, the contamination issue might caused by PCB finishing or SMT process (like oven or printing). Before go further, maybe you can check few things. How many PCB affected per lot?? it might be caused by humidity (storage or pac

SMT DUAL PROCESS

Electronics Forum | Fri Sep 04 15:33:09 EDT 2009 | martinphill

Is it possible to Process Top & Bottom side PCBA simultaneously in One SMT Line. (An atrticle by Jagadeesh Rajagopalan, SMT Process consultant). Pls check this and suggest me whether it is possible? & What should be the Lead free Reflow Profile? ht

Vitronics Soltec Reflow oven Blower

Electronics Forum | Tue Sep 15 05:11:52 EDT 2009 | srinivasa

hi, if the blower is stuck, check the pully shaft whether it is correctly fixed with fans. if price is concern, you can remove the motor and get it repair by re-winding of motor coil. if price is no concern you can change complete assemly or motor a

Quadalign set up

Electronics Forum | Fri Sep 25 14:58:33 EDT 2009 | gantry228

It is apparently a Q-series machine, if the adjustment for pitch and roll doesn't work. You may have to loosen or remove the quadalign then check the "wavey" washers to ensure they are there and opposing each other (these provide like a spring effect

Electrovert Omni 7

Electronics Forum | Wed Oct 07 10:04:07 EDT 2009 | soudomphong

Thank you for responding. I called Speedline tech > support he think there is a short some where in > the motor. I changed the motor out and still have > the same problem. The chain is normal, and using > automatic lubricating. I will check more

AOI - Whether Vi Tech or Omron

Electronics Forum | Fri Oct 23 00:15:50 EDT 2009 | tony_d

Hello Nagesh, Do yourself a favor, check out MIRTEC's MV-7 system. I purchased one of these machines with the Intelli-Scan laser option. This is a secondary laser inspection system that allows you to test for coplanarity of leaded and non-leaded de

Selective Wave soldering machine

Electronics Forum | Mon Oct 12 16:01:42 EDT 2009 | dyoungquist

Check out RPS Automation. We have had good results with their selective solder machine that we purchased 1 year ago and they have wave nozzles as well in the 4-8 inch range. Changing from a selective solder nozzle to the wave nozzle takes only a fe

UIC UPS Version 8+

Electronics Forum | Thu Oct 15 14:43:58 EDT 2009 | dilogic

I assume your global fiducials are on the panel, but outside circuit area. If you circuits are not placed exactly as in the program, globals would be located, but locals won't. At least, older UPS versions work like that. - Deni P.S. By the way, as


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