Makerbot Customization

Cupcake Refurb Project 2013

As of June 2013, a number of major upgrades have been performed / are scheduled to make the cupcake more useful and relevent.

Completed

• X,Y mendel style with 10 bearings/axis <Thingivere link here>
• Wade's extruder for cupcake [1]
  • Hobbed bolt + gear from ultimaker spares
  • Stepper based extruder - stepper borrowed from ultimaker.
• Old Ultimaker (ramps-like) board with arduino Mega that has to be returned to Fumon - Sen to provide alternative?

Todo / WIP

• Replace gen3 electronics (WIP)
  • Tuning for new hardware, Toolchain integration (Cura profile)
• Fix extruder/hotend mount (current printed mount doesn't align, can be fixed by drilling a few holes.)
• X,Y,Z endstops

Nice to haves

• Z axis replacement (z-rider?)
• Better bolts to allow for proper maintenance of wades extruder. (Needs at least 2x hex-head M3 bolts 45+mm to work properly.
• Better hobbed bold (Aonomus discussing milling makerbot-style pulley?)

Parameters and notes

• Using Marlin firmware. Full configuration to be posted on github once it's more stable.
• Motor model: KYSAN SKU: 1123029. Using 12V, 0.4A. (xyz only, extruder = better motor.) - Set pololu ref voltage to a bit under 0.16v.)
• PID values + thermo values being played with. Default values overshoot hotend significantly.
  • See reference values here: [2]

Historical

The Hacklab has made a number of customization to our Makerbot:

• Thermocouple in the Plastruder heater instead of the default thermocouple (including adding converter board for signal)
• Heated build platform