Electronics > Beginners
Flux
MarkF:
I just saw a new video relevant to this discussion:
fixit7:
I have read thru the discussion.
All those pens are kinda expensive for the quantity.
What about a liquid flux?
Surely, some of them are ok.
I do not mind brushing it on.
sdt:
Those syringe-style packs in the video look as though they need some kind of external plunger mechanism.
Is there some hand-operated device you put those into? I haven't been able to find anything that looks suitable.
Ysjoelfir:
AFAIK those Syringe Packs are used with a compressed air dosing unit. I have on of those at home, you connect it to your shop compressor, adjust the tim you want that thing to "push" on the plunger, connect a hose with a plunger to the syringe and activate it using a foot pedal to apply an exact amount of whatever is in the syringe onto whatever that stuff is supposed to cover.
I got lucky to pick my device up from a closing of a hospital, but I have no idea where you could get such a thing, neither do I know how this device is actually called, I just know they exist and are pretty usefull for deploying solder paste.
sleemanj:
The syringes are dispensing syringes same as for solder paste dispensing. If you have compressed air available, then glue dispenser is the the keyword for aliexpress they hook up to your compressed air source and provide the appropriate foot switch, timer, pressure adjustment and venturi pullback suction etc, typically about 70-80 USD.
If you don't have compressed air available or don't want to spend that sort of money then there are various ways, but for flux the simplest way is probably the best, go get a 10CC syringe from your local chemist, and a plastic dispensing tip for it they come in various sizes, you can usually suck the flux out of the dispensing syringe into the normal syringe just like you would drawing up a medicine, or if it's a bit thick for that just pull out the plunger from the normal syringe and use a pokey thing to push the stopper on the dispensing syringe and squirt the goodness out into the normal one.
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