Electronics Forum: gauge (Page 2 of 20)

Etch strain gauge in copper layer to measure deformations during press process [How to?]

Electronics Forum | Mon May 26 03:27:00 EDT 2014 | julianf

Thanks for your reply Sarason. I'm aware now that my goals seem very ambitious and infeasible. Let me formulate my problem in an different way that might be more realistic. Is it possible to measure a DIFFERENCE in strain between top and middle la

Etch strain gauge in copper layer to measure deformations during press process [How to?]

Electronics Forum | Sat May 17 10:38:49 EDT 2014 | sarason

I hate to say this but in all probability this wont work. I have built real strain gages and they depend on the change(Co-effiecent) of resistence with strain(or Stretch). since you are connecting you elements up with copper wire it will frm part of

Etch strain gauge in copper layer to measure deformations during press process [How to?]

Electronics Forum | Mon May 26 04:39:49 EDT 2014 | sarason

Damn near impossible. You need to see a real change in the difference between the 2 elements you are reading. So to give yourself any hope run 2 long traces one top one bottom up the length of the board. Then compare to 2 wriggly traces at one end (o

Conformal Coat Thickness

Electronics Forum | Mon Jul 23 09:43:50 EDT 2007 | pjc

From NASA document: Conformal coating thickness shall be determined using a wet film thickness gauge,....... Wet Thickness Gauges can be obtained: Wet film Thickness Gauge P/N 790010 Nordson Corp, Amherst, OH or http://www.nordson.com/cgi-bin/MsmG

Load Cell Temperature

Electronics Forum | Sat Jun 29 18:59:43 EDT 2019 | davef

You weren't clear on the type of gauge that you're using. Strain gauge load cells are the most common. These load cells have two gauges. The orientation of the gauges affects cell performance characteristics. * Temperature compensated: Temperature

No Go Gauge for AOI?

Electronics Forum | Fri May 29 18:40:40 EDT 2015 | bigdaddysoy9

Hello, Do you use No Go gauges at AOI? If so, how often? Every changeover, etc.?

Coating Thickness gauges...

Electronics Forum | Thu Nov 20 08:41:12 EST 2008 | grics

Good morning SMTNET FORUM!!! Its been a while since I have been on. Good to see people are out there still helping other people. I have a question... What is everyone using for Coating Dry Film thickness verification? We are using micrometers. My

Re: Glue Head

Electronics Forum | Tue Jul 25 20:32:00 EDT 2000 | Dave F

Thanks John. You�re correct. I�ve seen tables like that. poorly stated, what I was wondering was: * Is there a calculation that relates the gauge and the inner diameter ... OR * Is that relationship similar to wire gauge and wire diameter. I th

vitronics delta 6622 fluxer

Electronics Forum | Thu Mar 18 07:58:43 EDT 2010 | mun4o

It is a pressurized system, and , Yes , there are a message "No flow nozzle 1".Our machine have not 'ShoRate' gauge at the back of the machine.There are only 3 gauge for flow on the front side , like watch ???

Re: Screen tension (measuring)

Electronics Forum | Tue Mar 23 09:47:45 EST 1999 | Dan Hughes

George, No it does not make sense to measure the tension on a mounted foil, however, if you wish to please your customer you might want to find a tension gauge that measures in mils of deflection. In the beginning, screen tensions were all measured


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