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mini_flow [2018/12/27 22:35] – [setup] yairmini_flow [2018/12/31 12:45] (current) – [test setup] yair
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 we are intrested in small reflow ovens for workshops, to remove the need for soldering smd with cheap irons.  we are intrested in small reflow ovens for workshops, to remove the need for soldering smd with cheap irons. 
  
-==== setup ====+mybe call it uBake ? 
 +==== test setup ==== 
 + 
 +{{:pasted:20181227-105028.png}}
  
 first tested on bench with no heat load.\\ first tested on bench with no heat load.\\
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 using a benchtop psu or lm317(?) you can make a very simple reflow profile.\\ using a benchtop psu or lm317(?) you can make a very simple reflow profile.\\
  
-{{ ::basic.mp4 |}}+{{::basic.mp4?700x500|}}
  
 placed the ceramic heater on top of a huge copper heatsink (idiot) placed the ceramic heater on top of a huge copper heatsink (idiot)
 +
 +
  
 {{:pasted:20181227-201019.png?400&direct}} {{:pasted:20181227-200604.png?400&direct}} {{:pasted:20181227-201019.png?400&direct}} {{:pasted:20181227-200604.png?400&direct}}
  
-then moved to a more suitable setup and it was a breeze+then moved to a more suitable setup
  
-{{:2018-12-27_20-54-45_chrome_photo_in_ubake_-_google_photos_-_google_chrome.png?500}}+{{:2018-12-27_20-54-45_chrome_photo_in_ubake_-_google_photos_-_google_chrome.png?500}} {{:ubake.png?500}}
  
-{{:ubake.png?500}}+i used microprint 2004p (Sn62 Pb36 Ag2, 20-38 µm (T4)) ({{ ::dsh.745-035.1.pdf |pdf}},{{ :bel.745-035.3.pdf |pdf2}})\\ 
 +with a claimed melting point of 179°C
  
-a quickiFX(?) low temp solder didn't zip into place\\ +{{::bake-720p.mp4?700x500|}}
-i was shocked by the low temp i couldn't believe my eyes and kept ramping the current to 220 :)+
  
 {{:rec013_shrt.mp4?700x500|}} {{:rec013_shrt.mp4?700x500|}}
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 {{:pasted:20181227-104344.png?400}} {{:pasted:20181227-104344.png?400}}
  
-{{:pasted:20181227-105028.png}} 
  
  
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 {{:pasted:20181227-104729.png?400}} {{:pasted:20181227-104729.png?400}}
  
 +==== PID ====
  
 +https://electronics.stackexchange.com/questions/215418/smartest-way-to-use-current-limit-using-lm317
 +and polyfuse?