bigcnc
Differences
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| Both sides previous revisionPrevious revisionNext revision | Previous revision | ||
| bigcnc [2018/12/12 18:34] – sdh7 | bigcnc [2019/01/17 17:26] (current) – sdh7 | ||
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| The intention is to build much bigger CNC router than we currently have. | The intention is to build much bigger CNC router than we currently have. | ||
| - | Effective table area of approximately | + | Effective table area of approximately |
| 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. | 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. | ||
| Line 9: | Line 9: | ||
| X-axis: 1/2" supported rails with cast blocks. Leadscrew motion. | X-axis: 1/2" supported rails with cast blocks. Leadscrew motion. | ||
| - | Y-axis: | + | Y-axis: |
| Z-axis: 1/2" supported rails with cast blocks. Leadscrew motion. | Z-axis: 1/2" supported rails with cast blocks. Leadscrew motion. | ||
| - | Spindle: Makita or Grizzly laminate trimmer router. (measure diameter of Grizzly router) | + | Spindle: Makita or Grizzly laminate trimmer router. (measure diameter of Grizzly router |
| Frame: Welded square steel tubing? Wooden torsion box? Aluminum extrusions are probably prohibitively expensive. | Frame: Welded square steel tubing? Wooden torsion box? Aluminum extrusions are probably prohibitively expensive. | ||
| Line 21: | Line 21: | ||
| 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 | ||
| + | * < | ||
| + | * 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) | ||
| + | * < | ||
| - | Bonus features: | ||
bigcnc.1544639696.txt.gz · Last modified: 2018/12/12 18:34 by sdh7