Electronics Forum | Fri May 14 16:49:17 EDT 2021 | winston_one
Agree with WiIIR and also can recommend to play with vaccum pump RPM . Slower vacuum increasing have help me to resolve one problem caused by the vacuum (it was solder splash from BGA balls, but the reason can be similar to your case). Also check i
Electronics Forum | Wed Aug 03 07:05:46 EDT 2022 | klauss
I got special nozzles, too. but i think i recognize them wrong into the program. Do you please tell me what's the recommended vacuum break time, placement condition keeping time and placement speed
Electronics Forum | Tue Aug 02 20:12:33 EDT 2022 | cbeneat
So these are XPE's? Are they CM402's or 602's? Are you using custom nozzles? We've had the same issues over the years. We've gotten our custom nozzles from Count on Tools, I actually have 10 new ones on the way. Slowing the placement speed, increasin
Electronics Forum | Sat Jun 01 04:27:37 EDT 2019 | gregoryyork
Increase paste volume and use ramp soak spike profiling. Reducing volume of paste often leads to entrapment. Good idea to know difference between voiding and dewetting due to contamination
Electronics Forum | Wed Oct 29 18:08:35 EDT 2014 | tombstonesmt
Good afternoon. Not sure if this is available at an engineer level. Perhaps and SD card with field service access is necessary. We have two lines with NPM-W's and the most we've been able to do is actuate vacuum on the heads during flow checks.
Electronics Forum | Thu Mar 28 19:23:35 EDT 2024 | linux
replace flow, vacuum sensor
Electronics Forum | Wed Mar 20 14:54:15 EDT 2024 | linux
Vacuum Low, Shows up on changeover when the head picks a different size nozzle, remove mesh filter, unplug the clear pipe from the top of the head, put a small amount of alcohol down the pipe and blow it out with the air gun, You should check for a h
Electronics Forum | Fri Aug 04 11:13:34 EDT 2017 | tombstonesmt
One tip that I found very useful in this application that hasn't been mentioned is auto pick up position teach. Our Panasonic equipment will constantly move the pick up position in regards to the center of the nozzle when scanned. On older Panasonic
Electronics Forum | Tue May 26 12:25:34 EDT 1998 | Wayne
Vacuum Bakeout Ovens For many years vacuum bakeout ovens have been used in the hybrid industry for removal of moisture from ceramic cercuits prior to hermetically sealing packages. In this process the vacuum oven certainly reduces the bakeout cycle
Electronics Forum | Wed May 16 16:34:09 EDT 2007 | aj
"Usually people use the vacuum to remove air and then replace with nitrogen to eliminate oxidation and a medium for bacterial growth. Why anyone would need to vacuum pack a pcb is beyond me, though. " We might get a batch of 400 pcbs in but the kit
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