[Noisebridge-discuss] Surface mount oven?

Jake jake at spaz.org
Thu Apr 19 12:09:58 PDT 2012


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
>>>>>>> _______________________________________________
>>>>>>> Noisebridge-discuss mailing list
>>>>>>> Noisebridge-discuss at lists.noisebridge.net
>>>>>>> https://www.noisebridge.net/mailman/listinfo/noisebridge-discuss
>>>>>>
>>>>>>
>>>>>>
>>>>>
>>>
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>>> Noisebridge-discuss at lists.noisebridge.net
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>>>
>>
>


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