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mini_flow [2018/12/27 22:11] – yair | mini_flow [2018/12/31 12:45] (current) – [test setup] yair | ||
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- | ==== setup ==== | ||
- | ceramic heaters just [[https:// | + | ==== what ==== |
+ | ceramic heaters just [[https:// | ||
- | PTC - [[https:// | + | we are intrested in small reflow ovens for workshops, to remove the need for soldering smd with cheap irons. |
- | {{ : | + | mybe call it uBake ? |
+ | ==== test setup ==== | ||
- | {{: | + | {{: |
- | but goofed the setup and placed the ceramic heater | + | first tested |
+ | it takes 12DCV 5A ramping up\\ | ||
+ | when it reaches 410C (rated at 400c) it stabilize on 3A | ||
+ | this allows for relatively precise ramping using current control. | ||
+ | using a benchtop psu or lm317(?) you can make a very simple reflow profile.\\ | ||
- | then moved to a more suitable setup and it was a breeze | + | {{:: |
+ | placed the ceramic heater on top of a huge copper heatsink (idiot) | ||
- | it takes 5 amps ramping up and when it reaches 410C (rated at 400c) it stabilize on 3A | ||
- | using a benchtop psu you can make a very simple reflow profile.\\ | + | {{: |
- | ot that my quickie low temp solder didn't zip into place\\ | + | |
- | i was so shocked by the low temp i couldn' | + | |
- | {{ : | + | then moved to a more suitable setup |
+ | {{: | ||
+ | i used microprint 2004p (Sn62 Pb36 Ag2, 20-38 µm (T4)) ({{ :: | ||
+ | with a claimed melting point of 179°C | ||
+ | |||
+ | {{:: | ||
+ | |||
+ | {{: | ||
+ | |||
+ | |||
+ | ==== omg ==== | ||
+ | {{youtube> | ||
+ | ==== to test ==== | ||
* 12V-400C-30mm-Diameter-Round-MCH-Metal-Ceramic-Heater-Plate | * 12V-400C-30mm-Diameter-Round-MCH-Metal-Ceramic-Heater-Plate | ||
* [[https:// | * [[https:// | ||
{{: | {{: | ||
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{{: | {{: | ||
+ | ==== PID ==== | ||
+ | https:// | ||
+ | and polyfuse? |