[time-nuts] Off Topic Sortof: Board Rework Stations

Bob Camp lists at rtty.us
Thu Nov 14 19:33:58 EST 2013


Hi

If you look at the eBay listings they mention in some of them that what they are selling is “without lenses”. My impression was that you needed to focus the IR (like with a lens) to really get it to work well. I did not dig far enough to sort that part out.

Bob

On Nov 14, 2013, at 6:41 PM, John C. Westmoreland, P.E. <john at westmorelandengineering.com> wrote:

> Graham,
> 
> Thanks - good info.  On eBay you can get these for ~$250.00 - depending on
> whether it is the T-862 or T-862++.
> 
> So I guess that is a pretty good buy.
> 
> Best Regards,
> John
> AJ6BC
> 
> 
> On Thu, Nov 14, 2013 at 12:28 PM, Graham / KE9H <timenut at austin.rr.com>wrote:
> 
>> John:
>> 
>> We have one at work.  It basically works as represented.
>> 
>> It takes some skill to run, and takes some time to develop the
>> safe settings for soldering different sized items.  It puts out a
>> tremendous
>> amount of infrared heat, and you can melt things if you are not careful.
>> For instance, it will melt plastic connectors close to the part being
>> reworked.
>> 
>> You want to use it in a well ventilated area.  It heats the board to be
>> reworked
>> from the underside to close to solder temperature, then uses infrared
>> from the top side to push the temperature for the part in question
>> above solder melting temp., and sometimes things close by.
>> 
>> The underside heater is covered with silicon rubber, and gives off strong
>> odor when hot.  Hot PCB boards give off strong odors, and of course, you
>> are melting solder and flux.  So, good ventilation is highly recommended.
>> 
>> You will need to practice on a few scrap boards before you try to solder
>> something valuable.  In the hands of a skilled operator, it does beautiful
>> work.
>> 
>> --- Graham
>> 
>> ==
>> 
>> 
>> On 11/13/2013 9:00 PM, John C. Westmoreland, P.E. wrote:
>> 
>>> Hello All,
>>> 
>>> I was wondering if anyone on this list has used the T862++ rework stations
>>> on the PCB's you work on -
>>> 
>>> http://www.amazon.com/s/ref=nb_sb_noss?url=search-alias%
>>> 3Dtools&field-keywords=t862%2B%2B&rh=n%3A228013%2Ck%3At862%2B%2B
>>> 
>>> Are these as good as advertised?
>>> 
>>> Thanks In Advance,
>>> John Westmoreland
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