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From: Smitty Two on 2 Jan 2010 13:22 In article <s26kj59qhh2mm7enq0pjjdole1fabehkpb(a)4ax.com>, JW <none(a)dev.null> wrote: > I'm currently looking for an affordable hot air station for the bench. One > that came up often in my searches was this one: > http://www.atomicfireballs.com/static/electronics/aoyue/index.php > > Can anyone recommend this one, or perhaps have a better alternative? > > Thanks. What are you using now? I don't do a lot of rework but one of my heat guns (for shrink tubing) has some small nozzles, and it works well for removing chips. I douse the offender liberally in liquid flux first. Often there are other small components nearby so I'll make a little cardboard heat shield with a window cut out of it. I don't see the advantage of a fancy schmancy dedicated rework station. As far as digital readouts and temperature control, I'm a bah-humbug skeptic. You only have one choice anyway, and that's to get the thing hot enough to melt the solder.
From: Rich Webb on 2 Jan 2010 15:00 On Sat, 02 Jan 2010 10:22:00 -0800, Smitty Two <prestwhich(a)earthlink.net> wrote: >In article <s26kj59qhh2mm7enq0pjjdole1fabehkpb(a)4ax.com>, > JW <none(a)dev.null> wrote: > >> I'm currently looking for an affordable hot air station for the bench. One >> that came up often in my searches was this one: >> http://www.atomicfireballs.com/static/electronics/aoyue/index.php >> >> Can anyone recommend this one, or perhaps have a better alternative? >> >> Thanks. > >What are you using now? I don't do a lot of rework but one of my heat >guns (for shrink tubing) has some small nozzles, and it works well for >removing chips. I douse the offender liberally in liquid flux first. >Often there are other small components nearby so I'll make a little >cardboard heat shield with a window cut out of it. > >I don't see the advantage of a fancy schmancy dedicated rework station. >As far as digital readouts and temperature control, I'm a bah-humbug >skeptic. You only have one choice anyway, and that's to get the thing >hot enough to melt the solder. Separating the heater from the blower permits a bit more agility, rather on the order of using a pencil iron versus a two-pound soldering gun. The closed-loop temperature control is useful to allow varying the air flow rate without also affecting the air temp. I guess it comes down to convenience. For folks who only do onsie-twosie surface mount reworks, it may make more sense to skip the hot air altogether and use the ChipQuik technique http://www.chipquik.com/. The stuff really works, but it gets pricey for large quantity use. -- Rich Webb Norfolk, VA
From: Archon on 2 Jan 2010 16:27 JW wrote: > I'm currently looking for an affordable hot air station for the bench. One > that came up often in my searches was this one: > http://www.atomicfireballs.com/static/electronics/aoyue/index.php > > Can anyone recommend this one, or perhaps have a better alternative? > > Thanks. Stan Rubenstein are a very good source for all solder related items, fast shipping USA http://store.sra-solder.com/product.php/6264/26 I have the Aoyue station, I wish I had bought the one with temp readout but I just wanted to see if they were any good, no problems so far, does its job. JC
From: Smitty Two on 2 Jan 2010 23:19 In article <1c8vj55t7hfn8ipfb9aji80svblbt1r19o(a)4ax.com>, Rich Webb <bbew.ar(a)mapson.nozirev.ten> wrote: > > I guess it comes down to convenience. For folks who only do onsie-twosie > surface mount reworks, it may make more sense to skip the hot air > altogether and use the ChipQuik technique http://www.chipquik.com/. The > stuff really works, but it gets pricey for large quantity use. I've seen that stuff before, but never tried it. I think I'll get some though, and have it on hand for the next time I need it. Thanks for the reminder.
From: JW on 20 Jan 2010 05:49
On Wed, 30 Dec 2009 07:37:57 -0500 JW <none(a)dev.null> wrote in Message id: <k6imj59nn0dl2dln3rdkudf0eqvqo5bs56(a)4ax.com>: >Another one that looks pretty good: >http://www.circuitspecialists.com/prod.itml/icOid/9751 >Comes with an arm to hold the nozzle which could be very useful, seeing as >how my hand's not as steady as it used to be. :) Ended up getting this one. Using the one of standard single nozzles it came with I was able to remove a 44 pin PLCC with no problems. Tried using the same nozzle to remove a 84 pin flat pack, but this didn't work, so I borrowed a nozzle specifically for that package from the place I work that has a Hakko and it worked perfectly. (Good to know that Hakko nozzles are interchangeable with this station.) I checked its output temperature with a thermocouple and the readings were within 2c of the set temperature of the station. No lifted pads or circuit board damage so far. Overall for the $100 price I'm quite happy with the station, and shipping was fast as well. |