[Noisebridge-discuss] Surface mount oven?

[Rachel McConnell]

Mine is a Black & Decker TRO480BS which is apparently not a convection 
model.  But this retrofit seems do-able.  Kelly don't buy one quite yet!

On 4/19/12 12:09 PM, Jake wrote:
> we can also just put a convection fan into that toaster oven under
> Mike's supervision, i'm sure it's not a big deal. We just need a fan
> where the blades are metal and the shaft is long enough that the motor
> windings can be outside the heated compartment.
>
> On Thu, 19 Apr 2012, Kelly wrote:
>
>> Is it convection? If you can check the make and model we can check on
>> the internets. The cheapest countertop convection oven I was able to
>> find at the Bed Bath and Beyond by my house was $60. I will check
>> Urban Ore when I have a chance, but it's probably easier if we can get
>> one donated. If not, i'm not opposed to collecting $60 in donations
>> and then disassembling a brand new oven.
>>
>> -K
>>
>> On Thu, Apr 19, 2012 at 03:34, Robert Chu <robertayoungchu at gmail.com>
>> wrote:
>>> We do have that Silver colored oven that came from the kitchen that is
>>> currently in Hacker Corner. It is a toaster oven.
>>>
>>> Cheers
>>> Rayc
>>>
>>>
>>> On Wed, Apr 18, 2012 at 10:58 PM, Jake <jake at spaz.org> wrote:
>>>>
>>>> Yes i like the link you sent.  It seems that me and Rachel are going to
>>>> build one when we get an appropriate oven to start with, a.k.a. a
>>>> smallish
>>>> convection oven.
>>>>
>>>> we already have a hot-air rework station, although we don't have a
>>>> heating
>>>> station (heats the bottom and top of the board in prep for rework).
>>>> However, i do own a heating station and I will see if it hasn't been
>>>> thrown out yet, and bring it to noisebridge.
>>>>
>>>> I think the oven thing will be a step in the right direction,
>>>> because we
>>>> should develop the ability to build complex boards with lots of
>>>> surfacemount
>>>> parts without having to laboriously solder everything by hand.  This
>>>> oven
>>>> will move us in that direction.
>>>>
>>>> also, we will have to teach the mill to etch circuitboards faster
>>>> and more
>>>> quietly, and teach the replicators to dispense solder paste onto
>>>> boards for
>>>> us, or use the laser engraver to etch solder paste masks.
>>>>
>>>> and we should start a system of labeling our test equipment and
>>>> tools so
>>>> nothing else gets mistaken for hack materials, and taken apart by bored
>>>> occupiers trying to look like they're hacking so they don't get
>>>> kicked out.
>>>>
>>>> -jake
>>>>
>>>>
>>>> On Wed, 18 Apr 2012, Kelly wrote:
>>>>
>>>>> Yeah the new reflow oven will need extensive and obvious labeling.
>>>>>
>>>>> So that design I linked to looks doable? I have really no idea.
>>>>>
>>>>> Also about half the people I tell this to advocate using something
>>>>> other than an oven for solder paste surface mounting. The focal heat
>>>>> gun thing and hot plates are both apparently popular. Do those seem
>>>>> like useful additional tools but not a replacement for a reflow oven?
>>>>>
>>>>> -Kelly
>>>>>
>>>>> On Wed, Apr 18, 2012 at 16:11, Jake <jake at spaz.org> wrote:
>>>>>>
>>>>>> On Wed, 18 Apr 2012, Rachel McConnell wrote:
>>>>>>>
>>>>>>>
>>>>>>> If the toaster oven Jon (?) donated has gone walkabout, I have a
>>>>>>> toaster
>>>>>>> oven I would donate to this cause. Yay reflow soldering! Plus
>>>>>>> I'll help
>>>>>>> you
>>>>>>> mod it.
>>>>>>
>>>>>>
>>>>>>
>>>>>> we will need a heat-tolerant circulation fan, although i wonder if
>>>>>> "convection" ovens have special magic like airflow patterns in
>>>>>> addition
>>>>>> to
>>>>>> magic nonmelting fans.  I already have the thermocouple and
>>>>>> controller.
>>>>>>
>>>>>> i think i saw the toaster oven that lived with the oscilloscopes and
>>>>>> test
>>>>>> equipment disassembled and left for dead.  unfortunately we have zero
>>>>>> posted
>>>>>> guiedlines about what not to take apart at all, and what should
>>>>>> only be
>>>>>> taken apart if you're going to actually DO SOMETHING with it
>>>>>> instead of
>>>>>> just
>>>>>> leaving a mess.
>>>>>>
>>>>>> and i think we should start having such posted guidelines.
>>>>>>
>>>>>> -jake
>>>>>>
>>>>>>
>>>>>>>
>>>>>>> -Rachel
>>>>>>>
>>>>>>> On Apr 18, 2012, at 11:52, Jake <jake at spaz.org> wrote:
>>>>>>>
>>>>>>>> I like the idea of having a reflow oven and I am willing to help
>>>>>>>> build
>>>>>>>> it.
>>>>>>>>
>>>>>>>> I will even supply the thermocouple controller and thermocouple and
>>>>>>>> "relay" to turn the thing on and off.
>>>>>>>>
>>>>>>>> Somebody else should supply the convection oven (not an enormous
>>>>>>>> microwave
>>>>>>>> oven sized one please, just a toaster-oven sized one) and the
>>>>>>>> high-temperature black spraypaint.
>>>>>>>>
>>>>>>>> We can follow the procedure listed below and build it together at
>>>>>>>> noisebridge.
>>>>>>>>
>>>>>>>> -jake
>>>>>>>>
>>>>>>>> Kelly wrote:
>>>>>>>>
>>>>>>>> Yeah I think it would be nice to have like... a reflow oven.
>>>>>>>>
>>>>>>>> What do people think of this DIY option:
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> http://ecendesign.okstate.edu/design%20lab/projects/smt_oven/surfacemountoven.htm
>>>>>>>>
>>>>>>>>
>>>>>>>> -K
>>>>>>>> _______________________________________________
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>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>
>>>>
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>>>
>>
>
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