Electronics Forum: blow (Page 21 of 60)

BTU pyramax

Electronics Forum | Wed Jan 12 03:34:49 EST 2011 | rpatel28364

Hi SMarts We have two BTU in company and we are facing rediculas problem with it. The problem is: When we flow SOD123 Devices though oven. Oven fans are blowing parts away. It is causing regular problems with assemblies. Anybody have idea to reduce f

Blow hole on pad after reflow oven

Electronics Forum | Thu Jan 13 17:46:04 EST 2011 | davef

We've never seen the defect that you describe, but in wave soldering-land blowholes usually are caused by moisture in the board that out-gasses through the too thin plating of through holes. * Bandaid fix: bake the boards * Long-term fix: Obtain boar

PASTE DRYING OUT ON STENCIL

Electronics Forum | Wed Feb 09 13:24:31 EST 2011 | waveroom

I have a customer who's solder paste is drying out on their stencils. Humidity 40-45, Temp 70degrees, no air blowing on stencil, no cleaning stencils with chemicals. Handling of paste is done correctly. I'm thinking maybe the paste froze during shipm

VOC free flux

Electronics Forum | Wed Apr 27 09:31:45 EDT 2011 | blnorman

In a different life, we switched to water based flux on one product line. With a little tweaking, process worked fine and our VOC emissions dropped. We tried to roll it out on another product and it never worked. The first side on this product had

Parts being blown out of place during reflow

Electronics Forum | Fri Sep 16 14:12:23 EDT 2011 | jtownsend

Anyone have experience or advice to help prevent SMT reed switches from being blow out of position during re-flow? We are using a Heller 1707 MK 3. Is it possible to adjust air flow in the oven or do we need to glue before placement??

SMD LEDs stick to nozzle while mounting

Electronics Forum | Mon May 21 09:04:15 EDT 2012 | cbeneat

We've had the same issue on our Panasonic CM machines with Cree XP type LEDs. Count on tools makes a urethane tip nozzle that we are using which eliminates the sticking, our concern with these is durability. Nozzle supply company makes a steel Teflo

MyData A12 tool tip damage

Electronics Forum | Tue Jul 17 10:47:54 EDT 2012 | upguy

As as per your information and photo, we attached two box fans under our booster and attached them to the white XGTS connector. The fans are blowing upward with airflow between the booster board and the back of the machine. We will carefully watch

Blow Holes voids in solder fillet on caps

Electronics Forum | Thu Jun 28 16:43:51 EDT 2012 | ssupertuba

Yes I have a KIC and have checked the profile often. I just changed the reel of the parts that are causing problems and it went away. Now what am I suppose to say? I have made an NCMR for the parts but I'm sure they would work in an environment of

baking out pcbs after reflow process

Electronics Forum | Fri Jul 06 10:35:32 EDT 2012 | ashworth14

All i used to do was blow them with an airline to remove the excess moisture then bake them for 15/20 min at 100' in an oven and that seems to work fine, i did get the info from a 4 stage cleaning guide for the actual cleaning solution we used but it

MPM UP2000 Hardware Limit

Electronics Forum | Fri Feb 15 13:45:18 EST 2013 | cowens

We have a MPM UP2000. We are getting a hardware limit error when we turn the machine on and try to reset. The F14 fuse blows every time we replace it. The downstop is the first axis that it tries to go through but we get this error. Any help would be


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