Electronics > Beginners
HI! SOME BEGINNER QUESTION ABOUT HOT AIR !
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phantom:
hi to all, i'm writing from italy, i hope you can understand my english

my big passion is rapairing mobile phone. to do that, i need hot air. i've had a lot of model, but after a long time, i'm still not so good in solder and desoldering.

so i would like to restart to the begin, and ask something about theory

firstwall, i would like to understand the connection between TEMP, AIRFLOW AND NOZZLE SIZE. for example:

when to use bigger nozzles and when smaller?

when to improve the airflow?

improving the airflow, am i'm improving also the temp? (even if i'm not changing it from the knob?)

i've read that the melting point of solder leaded , is 180 degrees, if lead free, like 220 degrees: is it correct? so why we use higher temperature (like 350-370?)

other question: i've bought the "vaunted" quick 861....but it seems much less powerfull than my atten ...why? how is it possible???

THANK YOU FOR YOUR REPLY, AND SORRY FOR MY BAD ENGLISH :(

NivagSwerdna:
Interesting questions.. hopefully someone that knows (not me) will be along in a minute.

I'm very interested in this topic too as I have a problem with components blowing away in the wind!
Peter63:

Some tutorials how to use a hot air rework station.

https://learn.sparkfun.com/tutorials/how-to-use-a-hot-air-rework-station

https://learn.adafruit.com/smt-manufacturing/hot-air-tools

phantom:
i have seen those llinks before, but they dont answer to my questions :(
NivagSwerdna:

--- Quote from: phantom on June 28, 2018, 06:57:54 pm ---i have seen those llinks before, but they dont answer to my questions :(

--- End quote ---
Nor mine.  :)
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