Electronics Forum: zones (Page 1 of 121)

QFN welding problem by reflux oven 10 zones

Electronics Forum | Wed Feb 12 14:38:18 EST 2020 | SMTA-Alex

There are several areas you can check. Your profile is very fast. You reach the peak at around 3 minute mark. That's not enough time for the fillet to form. Try to slow down your belt speed to around 90-95, to give it more time. Also, your temperatur

Heller 1700D: How to make the zones start in sequence?

Electronics Forum | Thu Jun 14 13:49:04 EDT 2012 | rodrigo

Hi all, We have two Heller ovens, a 1700SX and a 1700D. The 1700SX has the profiles made so when you load them the zones turn on in sequence. First zone top and bottom are on when the profile is loaded then the next (top and bot) start to turn on as

QFN welding problem by reflux oven 10 zones

Electronics Forum | Tue Feb 18 20:04:38 EST 2020 | SMTA-Alex

Sebas, some things in your profile don't make sense. 3 of your thermocouples, #1 # 4 and #6 are consistent. The others show completely different data. The consistent thermocouples, also, show peak temp at 241 - 243 degrees. That is extermely high for

XPM2-1240 oven - one of the zones wouldn't stay heated

Electronics Forum | Fri Jul 24 09:20:57 EDT 2009 | esolano

Any ideas, guys?

QFN welding problem by reflux oven 10 zones

Electronics Forum | Tue Feb 11 15:17:49 EST 2020 | emeto

Your profile should be close to this.

QFN welding problem by reflux oven 10 zones

Electronics Forum | Tue Feb 11 09:26:57 EST 2020 | astarotf

Hi everyone I have problems welding QFN components in a 10-zone reflux oven, we cannot make a welding fillet that covers the entire QFN pin. Currently we use paste T4 - 63Sn / 37Pb. I enclose the curve of the oven profile. Any help or support on this

XPM2-1240 oven - one of the zones wouldn't stay heated

Electronics Forum | Thu Jul 23 09:59:11 EDT 2009 | esolano

Hi all, Zone 11 on a XPM2-1240 does not want to heat up and would not stay at set point. Does anyone have any ideas how to solve this problem? Or if you know of a technician in the Southern California area that can perhaps fix this problem, please

Heller 1700D: How to make the zones start in sequence?

Electronics Forum | Mon Jun 18 12:14:43 EDT 2012 | dyoungquist

We have a Heller 1707EXL oven. I am assuming the software package that came installed on the computer for the oven is very similar to what you have for your oven. One of the programs in that software package is "ovensetupwizard.exe" You need to

XPM2-1240 oven - one of the zones wouldn't stay heated

Electronics Forum | Thu Jul 23 10:02:19 EDT 2009 | esolano

I forgot to mention that we've tried to change the resistor on it.

XPM2-1240 oven - one of the zones wouldn't stay heated

Electronics Forum | Fri Jul 24 10:08:05 EDT 2009 | jdengler

Possibly, if you want to sell used equipment you should have a competent technical staff! Jerry

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