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Delta robot 3D printer.
Python
branch: master
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.gitignore Moved jaws to separate file.
README.rst Blank lines.
bearing.scad Made the full assembled model in rostock.scad more parametric.
belt.scad Initial commit.
bowden_hotend.scad Convert CR+LF (DOS newlines) to LF (Unix newlines) and adjust some di…
bracket.scad Fixed indentation.
carriage.scad Made the full assembled model in rostock.scad more parametric.
configuration.scad Made the full assembled model in rostock.scad more parametric.
deltacode.py 5 steps per mm.
demo.py Updated demo script for larger footprint.
endstop.scad I think there's a bug in OpenSCAD that sometimes gives unexpected res…
flange.scad Passing first speed tests at 600mm/s.
idler_end.scad Made the full assembled model in rostock.scad more parametric.
jaws.scad Moved jaws to separate file.
jig.scad Triangle jig for easy marking/drilling of top/bottom plywood frame.
joint.scad I think there's a bug in OpenSCAD that sometimes gives unexpected res…
linear_bushing.scad Vertical carriage.
motor_end.scad Made the full assembled model in rostock.scad more parametric.
nema.scad Made the full assembled model in rostock.scad more parametric.
penholder.scad Spaces instead of tabs.
platform.scad Made the full assembled model in rostock.scad more parametric.
plywood.scad radius3
pulley.scad I think there's a bug in OpenSCAD that sometimes gives unexpected res…
rod.scad Made the full assembled model in rostock.scad more parametric.
rostock.scad Made the full assembled model in rostock.scad more parametric.
slic3r.ini Back to printing smaller parts again.

README.rst

Concept for a delta robot 3D printer

Design goals

  • Build volume: 8x8x16 inches or 200x200x400 mm
  • Footprint: 12x12 inches
  • Print surface: 8x8 inches heated glass which never moves
  • Mass of moving platform with hotend: less than 100 g
  • Mass of moving platform with two hotends: less than 150g
  • Positioning speed: 800 mm/s in all 3 directions
  • Positioning accuracy: 100 steps/mm in all 3 directions
  • Simplicity: fewer than 200 parts (not including washers, nuts and SMD-mounted electronics)
  • Hardware cost: less than $500 USD

Parts

  • Stepper motors: 4x NEMA 17 (plus extruder motors)
  • Timing belt: High-torque GT2 belt (2 mm pitch)
  • Pulleys: 12 groove aluminum (7.6 mm pitch diameter)
  • Filament drive(s): similar to Ultimaker
  • Ball bearings: 8x 608 (skateboard bearings)
  • Linear bearings: 8x LM8UU
  • Smooth rod: 8x 762x8 mm
  • Diagonal rods: hollow carbon fiber rods from kite shop
  • Diagonal rod ends: cheap ball joints used for model race cars
  • Hotend(s): MakerGear 1.75 mm
  • Top and bottom frame: laser-cut plywood

Inspiration

Search YouTube for "flexpicker" or "adept quattro".

Ancestors

http://heliumfrog.net63.net/deltarobot/delta.html

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