Electronics Forum: cfm (Page 3441 of 7900)

QFN Rework Issues

Electronics Forum | Wed Feb 13 09:37:01 EST 2019 | SMTA-Joe

I will look into using an oven to raise the module's temp when I have the chance. This could be our only way to use existing technology that only allows for temps below what we're seeing.

QFN Rework Issues

Electronics Forum | Wed Feb 13 11:06:01 EST 2019 | jimpat

I believe the end user is working with an aluminum housing - something like this http://www.boainc.ca/UserFiles/product/JP01-600x490.jpg with a PCB mounted inside. Not very user friendly material especially for IR as its reflective.

QFN Rework Issues

Electronics Forum | Wed Feb 13 12:39:17 EST 2019 | SMTA-Joe

Would we be able to schedule a demo for this model? If so, would this have the IR top heater as well? In the event IR bottom heating does not work, are there models with alignment/placement assistance that we can just use with a conventional hotpla

QFN Rework Issues

Electronics Forum | Wed Feb 13 13:26:17 EST 2019 | pace_worldwide

If you could send your email address to acaplan (AT) paceworldwide (DOT) com, I could arrange a demo through one of our Representatives.

QFN Rework Issues

Electronics Forum | Thu Feb 14 10:54:11 EST 2019 | SMTA-Joe

This sounds like a workable solution in line with what I'm looking for. What company do you represent?

Topaz X error

Electronics Forum | Tue Feb 12 12:34:54 EST 2019 | compit

Do you have a service manual? There is a description of how to check and CALIBRATE the nozzle sensors (section "Placement Head").

Topaz X error

Electronics Forum | Tue Feb 12 13:40:28 EST 2019 | compit

Yes, I just try to suggest - I do not know the section, I have Emerald-X - a service manual for it. Topaz-X just bought and has not yet arrived;)

Topaz X error

Electronics Forum | Wed Feb 13 14:06:35 EST 2019 | slthomas

My recollection is fuzzy, but don't the heads go down first, then the nozzle? If that's true, did you fire the heads only or both the heads and the nozzles?

Topaz X error

Electronics Forum | Wed Feb 13 14:24:05 EST 2019 | aldrich17

The heads attach to the nozzles, or vise versa, so both. At least that's what it seems to look like. Still having issues keeping the R-axis sensor in calibration this makes third day in a row of re calibrating them.

Topaz X error

Electronics Forum | Wed Feb 13 18:13:58 EST 2019 | slthomas

I'm trying to visualize how that machine is laid out. Do they all rotate together, on a belt, so that there's only one sensor for the theta (R) home position?


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