Electronics Forum: nuts (Page 8 of 16)

Re: paste release from stencil - results

Electronics Forum | Sat Nov 27 10:16:38 EST 1999 | Steve Thomas

The new design resulted in much better release characteristics. We are quite satisfied. By the way, he says he can cut dead nuts 90 degree walls on the apertures, or traps. I didn't ask what the wall angle was, nor have I seen any recommendations,

Re: solder mask wrinkles

Electronics Forum | Tue Oct 19 17:52:47 EDT 1999 | John Thorup

Hi Carol You can use a threaded standoff and put a screw through the board and into the standoff with the screw from the buss bar coming into the other end of the standoff. You should use a SEMS type screw or a internal star type lockwasher with a pl

BGA solder joints versus mechanical stresses

Electronics Forum | Thu Sep 02 15:50:30 EDT 1999 | R Scheller

Has anyone done or seen any studies done documenting what may be the affect of hardware such as screws in the parimeter vicinity of BGAs on a circuit board? What I'm really after is anything describing how close a screw/washer/nut combination which

Board with immersion Tin

Electronics Forum | Mon Nov 25 16:12:52 EST 2002 | russ

there is a good article by AIM solder regarding tin. In a nut shell, if you do not apply flux or heat to tin finish you will never degrade it! I agree with the others that you need to check the thickness of the pure tin layer. We have forbidden ti

Stenciling chipbonder.....

Electronics Forum | Fri Jan 24 21:54:36 EST 2003 | jonfox

Good comment about the "passthrough" CAMALOT. I like that one. About the beer...when I was in field service, I was a microbrew nut, and still one of my favorites is Fat Tire from the Boulder, CO area. honorable mentions out West are (yes) Pyramid

Counting loose parts

Electronics Forum | Tue Jun 24 17:52:39 EDT 2003 | russ

i don't know of anything on the market nut you may just want to draw one up and have it built either externally or even internaly. I picture a small square of ESD material with a lip around it with a small opening in one corner. Do you receive any I

Testing potential employees.

Electronics Forum | Sun Feb 29 23:15:14 EST 2004 | Ken

I have found that during the interviewing process you need to include your technical staff to get to the nuts-and-bolts of what your looking for. Plus, team involvement spreads the responsibility for selecting the "right" candidate. Recently duri

Set Command Variables

Electronics Forum | Sat Feb 12 08:13:48 EST 2005 | pemnut

I have seen BEC holes drilled wrong also. On a couple of products We run, We insert a Pem Nut. The insertion hole is too large for BEC to read. So We have the board house drill a small hole for each array, circuit. If these smaller holes are drilled

MyData Y wagon shudder

Electronics Forum | Wed Mar 16 17:43:33 EST 2005 | pmd

We grease acording to PM schedule. The cable is very old about 5 years. We run 2 shifts. The transducer program and burnin test show the varance that we are seeing phisically so I can rule out the transducer. The motor may be the cause as it is of 19

SMT Component placed upside down

Electronics Forum | Wed Aug 03 21:00:12 EDT 2005 | rcarlos28

Crishan, Do you check the Nozzle orientation? some machine use a Rectangular o circle nozzle body, and this reduce the vaccum. When this component is taked from the feeder and the camara measured recognized the pins? Do you change the type of rec


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