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bigcnc [2018/12/12 11:47] sdh7bigcnc [2019/01/17 12:26] (current) sdh7
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 Aka, "Son of Junior" Aka, "Son of Junior"
  
-The intention is to build CNC router capable of manufacturing a guitar body.+The intention is to build much bigger CNC router than we currently have.
  
-Effective table area of approximately 48"x48", Z-axis travel of about 6"?+Effective table area of approximately 40x 40(probably a little less due to spindle width, etc.), Z-axis travel of about 4-5"?
  
-Current Status: Some parts have been built, courtesy of Steve Gray. Parts will arrive at the space at the end of December 2018. Assembly to occur in early 2019.+Current Status: Some parts have been built, courtesy of Steve Gray. Parts should arrive at the space at the end of December 2018. Assembly to occur beginning in early 2019.
  
-X-axis: 1/2" supported rails with cast blocks (48x48 version). Leadscrew motion.+X-axis: 1/2" supported rails with cast blocks. Leadscrew motion.
  
-Y-axis:  1/2" supported rails, along with cast blocks. Leadscrew motion.+Y-axis:  1/2" supported rails with cast blocks. Twin Leadscrew motion.
  
-Z-axis: 1/2" supported rails, leadscrew motion.+Z-axis: 1/2" supported rails with cast blocks. Leadscrew motion.
  
-Spindle: Makita or Grizzly laminate trimmer router.+Spindle: Makita or Grizzly laminate trimmer router. (measure diameter of Grizzly router to see if it will fit)
  
-Frame: Welded square steel tubing? Wooden torsion box? +Frame: Welded square steel tubing? Wooden torsion box? Aluminum extrusions are probably prohibitively expensive. 
 + 
 +Dust collection: will be tied into our dust collection system.
  
 Electronics: Electronics:
   * Motors: NEMA 23   * Motors: NEMA 23
-  * Motor Drivers: TB6600 Gecko lookalikes? +  * Motor Drivers: TB6600 Gecko lookalikes  
-  * CNC electronics (grbl, BBB, etc.) - Current preferred mechanism is BeagleBone Black with Machinekit. A board for the BBB that splits out its pins to a pair of DB25 parallel ports has been ordered.+  * CNC electronics (grbl, BBB, etc.) - Current preferred mechanism is BeagleBone Black with Machinekit. A board for the BBB that splits out its pins to a pair of DB25 parallel ports has been purchased. 
 + 
 +Project plan 
 +  * X axis 
 +    * what else needs to be done? 
 +    * Turn down end of leadscrew 
 +  * Y axis 
 +    * Cut down rails to length if necessary? 
 +    * attach rails to base 
 +    * tap delrin nuts  
 +    * cut leadscrews to length? 
 +    * turn down leadscrews 
 +  * Z axis 
 +    * <del>attach spindle mounts</del>  
 +    * attach to X axis 
 +  * Table 
 +    * figure out design 
 +      * Torsion box 
 +      * leveling casters? 
 +    * Build the thing 
 +  * Electronics 
 +    * Wire up everything 
 +    * Procure motors if needed? 
 +  * Misc 
 +    * Dust collection setup? 
 +    * Vacuum hold-downs? (optional) 
 +    * <del>Clean up cast parts</del>
  
-Bonus features: 
  
bigcnc.1544633221.txt.gz · Last modified: 2018/12/12 11:47 by sdh7

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