Hi Sir Ducan,
2010/9/3 vasile surducan <[email protected]>
> Flux dispensing pen is for ladies...
> buy one wood rosin brick from any store where musical instruments (violins)
> are sold. Smash it to sand dimensions and melt it in 99% alcohol (ethanol).
> Stir the bottle and rest it for one day then brush it on your fabulous PCB
> artwork.
>
I'll keep this precious recipe in my safe.
> Solder the PCB surface and remove the excess by taking a PCB bath in
> alcohol. Don't drink anything during the procedure... Don't inhale alcohol
> fume during the procedure...
>
I'll try to remember. Can I eat the rosin residue (if any) ?
>
> PS: you are able to pay 100 euro on a silly solder iron and can't pay 400
> euro on a scope?
> :)
>
Well... first it'll probably be 50€, that's half 100€. More, 100 != 400, you
can check this in jal:
if 100 == 400 then
error "Sir Ducan was right"
else
warn "I was right"
end if
Cheers,
Seb
> On Thu, Sep 2, 2010 at 1:52 PM, Sebastien Lelong <
> [email protected]> wrote:
>
>> Hi guys,
>>
>> Thanks guys for all your suggestions and advices. I think I'll go for this
>> one: http://www.vellemanusa.com/us/enu/product/view/?id=522851
>>
>> In order to surface solder, I'd need a flux pen, from what I could
>> read/see. Do I need type RA (or RMA) ? Like this one:
>> http://www.amazon.co.uk/CircuitWorksÂ<http://www.amazon.co.uk/CircuitWorks%C3%82>®-Flux-Dispensing-Pen/dp/B003EDQ0Q8/ref=sr_1_fkmr1_1?ie=UTF8&qid=1283424287&sr=8-1-fkmr1
>> ? Or type BC or something like that ?
>>
>>
>>
>> Thanks
>> Seb
>>
>> 2010/9/2 vasile surducan <[email protected]>
>>
>>
>>>
>>> On Thu, Sep 2, 2010 at 2:39 AM, Serdar K. <[email protected]>wrote:
>>>
>>>> Hi Sebastien,
>>>>
>>>> I used 137ESD for a short time, and I can tell that the product you get
>>>> is worth 99USD , because you see the exact temperature on the tip and the
>>>> temperature you have set, with help of a switch, and i think it has a
>>>> stable
>>>> temperature within 1-2 degrees error band. That is needed for temperature
>>>> control.
>>>
>>>
>>>
>>>
>>>
>>>> If the control circuit is not digital and contains no measurement, then
>>>> the thermostat is mechanic or at least a wide temperature band & hysteresis
>>>> one.
>>>
>>>
>>>
>>> The statement above is not quite true. For example the U217 is a zero
>>> cross IC control which keep the iron tip temperature at +/-2C.
>>> http://pdf1.alldatasheet.com/datasheet-pdf/view/26117/TEMIC/U217.html
>>> Has no digital control, nor any any display measurement, but need an
>>> inexpensive temperature sensor like KTY84.
>>> Analog solutions are as good as digital sometimes...
>>> :)
>>>
>>> Vasile
>>>
>>>
>>>
>>>> Also the ceramic heater heats and cools fast, i can say.
>>>>
>>>> The stand and general material quality is also good.
>>>>
>>>> The kind of device for 99USD is the best you can get for that price if
>>>> you won't pay more hundreds and get a more professional and complicated hot
>>>> air SMD (de)soldering station. The tip alternatives are also avaliable for
>>>> 137 ESD. If you can afford it, i can say you can use it a long time with
>>>> tip
>>>> changes and buying tips which you can need in time. But if you want a
>>>> cheaper one, of course the $20 one is not bad. It has also a stand and tip
>>>> simple temperature control, i assume.
>>>>
>>>> Of course, all are my thoughts, and there is not only one right choice
>>>> on this matter.
>>>>
>>>> Greetings,
>>>> Serdar
>>>>
>>>> 2010/8/30 Sebastien Lelong <[email protected]>
>>>>
>>>> Hi Serdar, Joep,
>>>>>
>>>>> Thanks for advices, though 99USD or the like for a soldering iron looks
>>>>> expensive... Does it really worth it ? Vasile's suggestion is something
>>>>> closed to 20$, variable temp though no digital thermostat. I've also been
>>>>> suggested this one:
>>>>> http://www.selectronic.fr/article.asp?article_ref_entier=10.1806-9999#,
>>>>> cheap too.
>>>>>
>>>>> What can make such differences in prices ?
>>>>>
>>>>> Cheers,
>>>>> Seb
>>>>>
>>>>> 2010/8/27 Serdar K. <[email protected]>
>>>>>
>>>>>> I can tell you that a digital thermostat is cool, and the station
>>>>>> type work can do more for you (with different tips)
>>>>>>
>>>>>> http://www.howardelectronics.com/Xytronic/137ESD.html
>>>>>> and the new version
>>>>>> http://www.howardelectronics.com/Xytronic/LF1600.html
>>>>>>
>>>>>> If you can afford giving 99USD, and can find 137ESD, i guess you can
>>>>>> use it long time if you be careful..
>>>>>> The resistance is ceramic, so you shouldn't drop the iron for its
>>>>>> good.
>>>>>>
>>>>>> Temperature control is a must for SMD work.
>>>>>>
>>>>>> There are other ways to do better and easier ( i still couldn't try to
>>>>>> do it, but i have bought the liquid solder from dealextreme). You should
>>>>>> take some time examining the sites deeply :
>>>>>>
>>>>>> http://www.seattlerobotics.org/encoder/200006/oven_art.htm
>>>>>>
>>>>>> http://www.homanndesigns.com/SMDToasterOvenProject.html
>>>>>> http://www.homanndesigns.com/oven.pdf
>>>>>>
>>>>>>
>>>>>> http://www.sparkfun.com/commerce/tutorial_info.php?tutorials_id=59&page=
>>>>>>
>>>>>>
>>>>>> http://www.instructables.com/id/Home-reflow-SMD-soldering/
>>>>>> You should go through steps clicking "next". It is a nice resource:
>>>>>>
>>>>>> http://www.instructables.com/id/Extreme-Surface-Mount-Soldering/step2/The-Hot-Plate-Soldering-System/
>>>>>>
>>>>>> 2010/8/27 funlw65 <[email protected]>
>>>>>>
>>>>>> Mine is 25Watt and is good for the little jobs I do...
>>>>>>> All I need is a bunch of "sharp" tips to be able to solder small
>>>>>>> vias...
>>>>>>> A powerful soldering iron ca burn fast your thin tips if you don't
>>>>>>> have a soldering station - I think... I don't have that.
>>>>>>> Also, it can burn fast all the flux before making the joint.
>>>>>>> Too much flux and a powerful soldering iron can float your traces in
>>>>>>> no time. You need to be very skilled to work with it.
>>>>>>>
>>>>>>> Better a super-magnifying glass (monocle or with "leg" support), a
>>>>>>> small solder iron and 0.4, 0.5 mm diameter solder wire. This is what
>>>>>>> it works for me.
>>>>>>>
>>>>>>> Vasi(funlw65)
>>>>>>>
>>>>>>>
>>>>>>> On Aug 27, 4:48 pm, Sebastien Lelong <[email protected]>
>>>>>>> wrote:
>>>>>>> > I don't know, maybe surface solder requires hight temp. ?
>>>>>>> >
>>>>>>> > 2010/8/27 mattschinkel <[email protected]>
>>>>>>> >
>>>>>>> > > Is variable temperature really important?
>>>>>>> >
>>>>>>> > > Matt.
>>>>>>> >
>>>>>>> > > --
>>>>>>> > > You received this message because you are subscribed to the
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>>>>>>> > > To unsubscribe from this group, send email to
>>>>>>> > > [email protected]<jallib%[email protected]>
>>>>>>> <jallib%[email protected]<jallib%[email protected]>
>>>>>>> >
>>>>>>> > > .
>>>>>>> > > For more options, visit this group at
>>>>>>> > >http://groups.google.com/group/jallib?hl=en.
>>>>>>> >
>>>>>>> > --
>>>>>>> > Sébastien Lelonghttp://www.sirloon.nethttp://sirbot.org
>>>>>>>
>>>>>>> --
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>>>>>>>
>>>>>>>
>>>>>>
>>>>>>
>>>>>> --
>>>>>> *Serdar KIZILTOPRAK
>>>>>> Intelligence **Technology Systems
>>>>>> [email protected]
>>>>>> http://www.i-t-sys.com
>>>>>> +90(216) 518 15 00*
>>>>>> **
>>>>>>
>>>>>> --
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>>>>>>
>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> Sébastien Lelong
>>>>> http://www.sirloon.net
>>>>> http://sirbot.org
>>>>>
>>>>> --
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>>>>>
>>>>
>>>>
>>>>
>>>> --
>>>> *Serdar KIZILTOPRAK
>>>> Intelligence **Technology Systems
>>>> [email protected]
>>>> http://www.i-t-sys.com
>>>> +90(216) 518 15 00*
>>>> **
>>>>
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>>>>
>>>
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>>
>>
>>
>> --
>> Sébastien Lelong
>> http://www.sirloon.net
>> http://sirbot.org
>>
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>
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--
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