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Are "shaped" hot air nozzles good for inital reflow or just removal?
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Topic: Are "shaped" hot air nozzles good for inital reflow or just removal? (Read 1122 times)
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MRiddickW
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Posts: 39
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Are "shaped" hot air nozzles good for inital reflow or just removal?
«
on:
December 17, 2020, 07:02:10 pm »
Hi all,
I'm getting ready to make the plunge on a hot air rework station (Quick 861DW). Mostly for general repair/rework, but also for installing two SMD parts onto PCBs for my dad (low qty/year, but just enough to be annoying to solder manually). These ICs will be a TQFP-48 package and an SSOP-28 package. Would it be worth it to get a 10mm x 10mm (NK3125) and a 7.5mm SOP (NK3134) for these, or am I just as well off with using a smaller nozzle and flowing it as shown
here
?
Thanks!
«
Last Edit: December 17, 2020, 07:04:40 pm by MRiddickW
»
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Altium Designer 20 | EAGLE 7.7
coromonadalix
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Posts: 6365
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Re: Are "shaped" hot air nozzles good for inital reflow or just removal?
«
Reply #1 on:
December 17, 2020, 08:23:12 pm »
Having a good paste will help and liquid flux too
I dont see any problems with theses adapters, in time with experience and practice you'll get tthe gist of it.
The important thing for me, is not to overheat the part(s)
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S. Petrukhin
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Re: Are "shaped" hot air nozzles good for inital reflow or just removal?
«
Reply #2 on:
December 20, 2020, 01:53:53 am »
Soldering with hot air without heating the board is not very good - you create thermal stresses because the air takes a long time to melt the solder. TQFP-48 it is easier and faster to solder with a soldering iron, especially with a BCM2 tip.
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And sorry for my English.
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