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subcommittee:laser-minutes-20190703 [20190703-1906]
blakesamuels created
subcommittee:laser-minutes-20190703 [20190703-2108] (current)
nick 60W tube EOL
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 ====== Laser Subcommittee Meeting 2019-06-10 ====== ====== Laser Subcommittee Meeting 2019-06-10 ======
  
-  * Attendees: BlakeS, Fletcher+  * Attendees: BlakeS, Fletcher, NickB
  
   * LC1290 Big Red   * LC1290 Big Red
     * Cutting fine     * Cutting fine
   * LG500 Little Red   * LG500 Little Red
-    * Cutting slowly ​(4mm/s with 3mm MDF) +    * Cutting slowly4mm/s with 3mm MDF 
-    * Focus bad +      * Pristine condition with new tube >​24mm/​sec 
-    * Using new lens "​USA ​ZeSe Focusing Lens 50.8mm"​ - this is the $25 one+      ​* Focus is bad 
 +      * Blemish on partially silvered tube end 
 +      * Chengdu Weegiant 60W CO2 laser tube, expected 2000h lifespan, lasted 5+ years - better than any of the 100W+ tubes! 
 +      * New, improved (co-linear red targetting diode?) replacement about $500 delivered? 
 +    * Using new lens "​USA ​ZnSe Focusing Lens 50.8mm"​ - this is the $25 one
       * Was about 7mm/s for 3mm MDF when installed       * Was about 7mm/s for 3mm MDF when installed
     * Removed and looked reasonably clean     * Removed and looked reasonably clean
-    * Tried the "​China ​ZeSe 50.8"+    ​* Trying "China ZnSe 63.5mm"​ 
 +    ​* Tried the "​China ​ZnSe 50.8"
       * Different height on focus target       * Different height on focus target
       * Focus still poor       * Focus still poor
-    ​Trying "China ZeSe 63.5mm"​ +      ​Loose nozzle-securing screw: stripped, replace&​re-tap?​
/var/www/wiki.artifactory.org.au/htdocs/data/pages/subcommittee/laser-minutes-20190703.txt · Last modified: 20190703-2108 by nick