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Last weekend I started another CNC router CAD model and finished it up last night. My goal on this one was to keep the overall width to a minimum by tucking the Y ballscrews in as close to the frame as possible. I think this would be a reasonably rigid machine, within the limitations of aluminum extrusions, and not difficult to build once machined parts are in hand. The model was created with Fusion 360 and all major dimensions are driven by user parameters. Those include X Ballscrew Length, Y Ballscrew Length, Z Ballscrew Length and Gantry clearance height. Change any one of those and the model adjusts to reflect the new dimensions.
Specifications:
Size - Parameter Driven
Extrusions - 80/20inc. 40 Series. All extrusions are 80mm x 40mm
Aluminum Plates - 5/8" for all except the front end plates which are 1"
X & Y Profile Rails - 20mm
Z Profile Rails - 15mm
X & Y Ballscrews - 20mm
Z Ballscrew - 16mm
Stepper Motors - Drawn with NEMA 23 ClearPath Servos but mounts will also accept NEMA 34 Stepper Motors
Specifications:
Size - Parameter Driven
Extrusions - 80/20inc. 40 Series. All extrusions are 80mm x 40mm
Aluminum Plates - 5/8" for all except the front end plates which are 1"
X & Y Profile Rails - 20mm
Z Profile Rails - 15mm
X & Y Ballscrews - 20mm
Z Ballscrew - 16mm
Stepper Motors - Drawn with NEMA 23 ClearPath Servos but mounts will also accept NEMA 34 Stepper Motors
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