Electronics Forum | Fri Feb 14 08:08:45 EST 2003 | Louis
First of all I would like to say that my English is so-so but I will try to help you. FOLLOW THOSE STEPS AND YOU WILL BE OK. 1-- select learn fiducial option then enter minimal value to fiducial width and height (enter 0 and you will g
Electronics Forum | Thu Feb 13 15:59:08 EST 2003 | genny
Yes Access is a definite option. We have an in-house built and tailored MRP package, that started out with Access and VB. I am not sure if it is still solely based on that or not. We have tailored it so much and worked with it so much that I doubt
Electronics Forum | Thu Feb 20 10:56:49 EST 2003 | larryk
Interesting topic, I got a side bar question. The epoxy companies suggest a lower consistant temp (something like 1 minute at 160 degrees) for curing. But we epoxy and paste our boards that get waved. (I know, why are ya pasting a board that goes t
Electronics Forum | Fri Feb 21 11:33:47 EST 2003 | Jaime
Call your glue manufacturer. It sounds to me that the epoxy is not curing properly. You should also test for shear strenght. How many pounds of pressure does it take to "pop" a cured component after it comes out of the oven? What type of oven do you
Electronics Forum | Mon Feb 24 10:21:29 EST 2003 | ryanm
Just an update on my problem. I spoke to Loctite and they had very few solutions. One thing they suggested to try was to add a thirty-second soak time at 150 degrees to my reflow profile. The problem with that is ramp-soak-spike profiles doesn�t s
Electronics Forum | Mon Feb 24 11:02:42 EST 2003 | Claude_Couture
Every time this problem was brought to me, handling was the problem. Make sure to: 1- track the exact place the components are lost, i.e.: visually inspect the pcb before and after each step in your assembly line. 2- if step one does not pin point t
Electronics Forum | Sun Feb 23 15:20:26 EST 2003 | davef
We section no bare boards at incoming. If we have a problem that needs investigation, our suppliers do the sectioning for us. If we didn't trust their analysis, we'd: * Get a new supplier. [There is tons of capacity in this industry.] * Use an ind
Electronics Forum | Tue Feb 25 10:32:09 EST 2003 | davef
I don't know the precise scheme, but it goes something like this ... WHAT TO DO * Use the general work instruction that applies to all boards. It goes into dimension and hole checking processes. It talks to visual instection of solder mask, solder
Electronics Forum | Fri Feb 28 12:02:15 EST 2003 | MA/NY DDave
Hi You are right. I guess some of us missed this point in the way this on line dialog works. I like to put the specification that the PCB supplier must adhere to, on the Physical Print. The Physical print is often used by outgoing and incoming insp
Electronics Forum | Fri Feb 21 20:01:14 EST 2003 | MA/NY DDave
Hi This is a good one. Let me take a stab at it. First remind me, why is this air coming in carrying a charge. I think I remember yet it is always fun. Also hopefully it isn't carrying any compressor oils. There are some companys that make other t
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