Re: gEDA-user: Anybody have any experience with cheap chinese reflow ovens?

[yamazakir2 <yamazakir2@xxxxxxxxx>]

I bought a $30 toaster oven from walmart and yeah you guys are right
it seems to work fine.

On Mon, Feb 28, 2011 at 9:28 PM, Joe Chisolm - Gmail
<jchisolm6@xxxxxxxxx> wrote:
>  I got a T-962A from these guys:
> http://www.ownta.com/t962a-reflow-soldering-machine.html
>
> This is a heavy unit so shipping was expensive, though I cannot remember
> exactly how much right now.  It came DHL and I had it in about a week.  I
> paid through paypal.  Got a order confirmation, shipping confirmation,
> tracking number.  All the normal stuff. So far I'm pretty happy with it.  I
> use it for prototype and kind of a mini production line.  I've probably run
> over 150 boards through it so far.
>
> 1: I got the 962A for the larger area.  For a half height PCI card,
> basically 2.5" x 7", I can do 3 at a time.  I can fit four but I find the
> quality of the joints are better with 3 max.  For smaller boards I've loaded
> up a dozen at a time.  Max area for the 962A is 300mm x 320mm
>
> 2: The font panel keypad is not very good.  Their membrane switch debounce
> software needs a tweak in the timing.  It seems to jump back a menu more
> than it should.  This is not a big issue though.
>
> 3: The built in heat profiles work well.  I've done both leaded and LF.  You
> can also program your own profile.  It's easy to do but takes a little
> planning with a pencil and paper.  You program in 10 second intervals.
>
> 4: If you are ramping the temp up rather fast it will overshoot by 20C or a
> little more if the unit has not done a cycle yet.  The best thing is to run
> a empty cycle first to get some heat into the unit.
>
> 5: It does a good job of staying on the heat profile once it's warmed up.
>  Nothing like a big production line system will do but still good enough for
> what I do.
>
> You might also look at a hot air gun.  I got one of those before the oven.
>
>
> On 02/28/2011 12:24 PM, yamazakir2 wrote:
>>
>> Does that company ship to the US? Plus for some reason I have had VERY
>> bad shipping experience from europe. I live in CA and things always
>> take at least 3 weeks to get here. One time I ordered a cable from
>> ebay from the uk and it took 1.5 months to get here.
>>
>> So one one has any experience with the chinese reflow ovens? Are they
>> junk or something?
>>
>> On Fri, Feb 25, 2011 at 4:22 PM, Kai-Martin Knaak<kmk@xxxxxxxxxxxx>
>>  wrote:
>>>
>>> David Smith wrote:
>>>
>>>>> It seems like $320 shipped is pretty cheap for a reflow oven... to the
>>>>> point where I question the quality/reliability. Getting one of these
>>>>> would make assembling my boards 2-3x faster,so it's tempting.
>>>
>>> We successfully use the pizza oven reflow kit sold by beta-layout:
>>> (same company as pcb pool)
>>>        http://www.reflow-kit.com/rkuk/order_products_list.html?wg=1
>>> The controller is 159 EUR and the oven 59 EUR. The controller goes
>>> between the plug and the wall. So you can use a cheaper oven from the
>>> local grocerie if you wish.
>>>
>>> Results are fine by default for small boards. For large boards,
>>> components near the door receive less heat than necessary. This
>>> could be rectified with aluminum foil on the inside of the window.
>>>
>>>
>>>> There's an article on the SparkFun website where they claim that you're
>>>> better off buying a domestic hot-plate (!)
>>>
>>> We tried the hot plate method, too. Results were mixed and depend
>>> on timing and various other factors.
>>>
>>> ---<)kaimartin(>---
>>> --
>>> Kai-Martin Knaak
>>> Email: kmk@xxxxxxxxxxxxxxx
>>> Öffentlicher PGP-Schlüssel:
>>> http://pool.sks-keyservers.net:11371/pks/lookup?search=0x6C0B9F53
>>>
>>>
>>>
>>> _______________________________________________
>>> geda-user mailing list
>>> geda-user@xxxxxxxxxxxxxx
>>> http://www.seul.org/cgi-bin/mailman/listinfo/geda-user
>>>
>>
>> _______________________________________________
>> geda-user mailing list
>> geda-user@xxxxxxxxxxxxxx
>> http://www.seul.org/cgi-bin/mailman/listinfo/geda-user
>>
>
> --
> Joe Chisolm
> Marble Falls, Tx.
>
>
>
> _______________________________________________
> geda-user mailing list
> geda-user@xxxxxxxxxxxxxx
> http://www.seul.org/cgi-bin/mailman/listinfo/geda-user
>


_______________________________________________
geda-user mailing list
geda-user@xxxxxxxxxxxxxx
http://www.seul.org/cgi-bin/mailman/listinfo/geda-user