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|−|Because modern electronics components are tending more and more towards becoming SMD-only, and because the associated size reduction can also be very useful for space projects, [[User: Smeding|smeding ]] has decided we need a reflow oven. |+|
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|−|== Donators == |+|
the be we need a .
|−|The current direction the project seems to be going (buying a new oven and modding it) we are going to need a little more funds than I can provide on my own. 100 EUR should be more than enough to cover everything, to give an idea of the funds needed. Better budget will come when decisions and designs are finalised. |+|
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Oven == |+|
|−|Haven't hunted around that much, but current best choice seems to be [http://www. block.nl/article/getArticleDetails?artNr=83550 this]. Feel free to add suggestions. |+|
. to .
the and . the loop a . a be to .
|−|We probably want the following from an oven: |+|
|−|* Small volume: 15L-ish |+|
|−|* High power: 2kW-ish, preferrably top and bottom elements |+|
|−|* With exhaust fan if possible, as we'd need one anyway |+|
|−|== Controller == |+|
|−|To be constructed. Will probably consist of a large triac to switch the heating element and a fan on and off in a control loop with a thermocouple. |+|
|−|We still need a decent fan to speed up the cooling phase. Needs to be able to withstand rather high temperatures, something from an oven would be ideal. |+|
Revision as of 22:57, 3 March 2013
| Project ReflowOven
| Last Update
Because modern electronics components are tending more and more towards becoming SMD-only, and because the associated size reduction can also be very useful for space projects, we need a reflow oven.
Oven has been acquired. It is a cheap 1kW Everglades toaster oven and has been able to do very crude reflow.
A prototype for the controller has been built and successfully measures temperature. I (smeding) am currently hammering out the PID loop to keep it at a fixed temperature. After that, all it needs is a little bit of UI and we should be good to go.