Electronics Forum: vapor phase

problem with vapor phase

Electronics Forum | Wed Jul 10 16:34:23 EDT 2013 | hegemon

Preheating is critical in Vapor Phase Soldering. One trick that is done is to use the "soft vapor" area just above the soldering vapor, some machines can pause just before going into the soldering vapor. Using that pause above the vapor to continue

vapor phase reflow

Electronics Forum | Wed Nov 17 09:28:40 EST 1999 | Steve Z

Hello, I am new to the SMT area and I need to know what a "good" vapor phase reflow profile should look like. The fluids we are using have a BP of 45 C and 219 C. Thanks,

BGAs and vapor phase

Electronics Forum | Fri Jul 16 15:30:22 EDT 1999 | SMTASSY

Perhaps a little hard to find but is there anyone who uses a vapor phase process to solder populated card with BGAs. I am interested in the success rate of such a process. It is obvious that the throughput is reduce vs a convection oven but still thi

profiler for vapor phase

Electronics Forum | Fri Jul 15 15:19:16 EDT 2011 | dan_ems

Have somebody experience with profiling vapor phase? I must buy a profiler and is very hard for me to decide what to buy. Please help me with a advice. Thanks you.

problem with vapor phase

Electronics Forum | Mon Aug 12 15:56:13 EDT 2013 | pjchonis

Vapor phase soldering systems by Asscon are characterized by special designed heating modules. The thermal mass of the heating modules is designed so that a completely delay-less and direct regulation of the heat/flow/energy transfer to the soldering

problem with vapor phase

Electronics Forum | Wed Jul 10 14:14:21 EDT 2013 | benreben

hi all, i have purchased an used vapor phase and i can't make a constant profile. the profiles depend on the time i wait between two batch... the only difference that i include is the chamber temperature i don't understand why the chamber temperat

problem with vapor phase

Electronics Forum | Wed Jul 10 14:29:27 EDT 2013 | isd_jwendell

You wouldn't have a very good profile if you went straight from room temp to vapor temp (_-). The chamber should preheat the board before using vapor to melt the solder.

profiler for vapor phase

Electronics Forum | Mon Jul 18 14:37:33 EDT 2011 | ldavis

We use the same profiler for convection and VP. For VP you just have to be very careful as the thermocouple wires must travel through the machine so cannot get "snagged" on anything as they go in or come out.

profiler for vapor phase

Electronics Forum | Wed Jul 20 11:44:35 EDT 2011 | pbarton

We do the same as LarryD. All the profilers I have seen that have thermal jackets deemed capable of going through and helping the logger survive the VP process have a lot of mass. This mass will affect the profile considerably.

problem with vapor phase

Electronics Forum | Wed Jul 17 11:26:19 EDT 2013 | pbarton

What equipment do you have? As well as the comments from others, another major influencing factor can be the residual heat in your PCB carrier. It takes more heat energy to warm a cold carrier than if it is already hot from the last cycle run. This

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