Electronic Parts Description

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Electronic Parts Description

This contains a list of the electrical components with explanations for use as opposed to other electronic equipment.

  • In:120v Out:24v Power Supply –  XenoCube needs 3 different power rails to run all of the equipment. (5V, 12V, and 24V). Main focus for this PSU is end user experience, the heatbed can handle 24V input. On some printers the poor heat up time can make for a less desirable experience. Utilizing a 24V connection directly to the heatbed produced 7 minute heat times for XenoCube.
  • Dedicated heat bed relay – To control the rapid heat up is a heatbed relay using a mosfet chip to regulate the power to the heatbed. This is a performance addition as the printer control board can control the current directly but by offloading it to a separate board reduces heat on the control board, which if not cooled can impact performance of other components. In this setup for XenoCube, the Printer Control board heatbed power wires used to power the bed are used to control the relay, allowing the control board to still control and monitor for problems such as thermal runaway (Marlin Firmware Feature).
  • MKS v1.5 Printer Control Board – This is a good board, for the price and feature list. There are many other boards out there that would be picked as higher end then this design, however all-on-one board are:
    1. 5 stepper driver
    2. Extruder Power
    3. Extruder Temp
    4. Heatbed power
    5. Heatbed Temp
    6. Fan control
    7. 6 endstops – a little much..
    8. Dual extruder capable.
  • Optical EndStops – These are a little more expensive then mechanical endstops. In the long run, these sensors will last long as there is no contact.
  • E3d Hotend – Dealing with a hotend that jams all of the time or a hotend that can only handle low temp materials, can be time consuming and exhausting.
  • Nema17 motors – reliable motors to drive the printer.
  • 24v to 12v inverter – This is utilized to step down the voltage to supply power for the printer board.
  • 12v to 5v inverter –  This is utilized to step down the voltage to power the Raspberry Pi.
  • Raspberry Pi 3 – This is an amazing open-source, cheap, and widely known/available. Easy choice for hosting the print server.
  • Logitech C270 – Cheap, low power camera.
  • 75mm cage (squirrel) fan – Utilized for cooling the hotend.
  • 40mm box fan – Cooling for the electronics.
  • 30mm box fan – Fan for cooling the extrusion of plastic.
  • 4mm inductive sensor – Sensor for measuring the distance between the hotend and heatbed.
  • 300mm x 300mm heatbed – Largest heated metal (3m thick) bed.