German RepRap x350 Pro 3D Printer

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The German RepRap x350 Pro 3D Printer is a dual-printhead FDM printer. It operates very similarly to the Utilmakers 2 3D printer, but the addition of a second extruder allows for multiple types of filament to be used. This can be utilized for multicolor prints, prints with dissolvable supports, and reinforced prints.

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German RepRap X350 Pro 3D Printer
X350-pro.jpg
Build Volume: 300 x 200 x 210 mm Layer Height: 0.02 - 0.15mm
Infill: 10 - 20% Filament Diameter: 1.75mm
Filament Capabilities: ABS, PLA, PS, PVA, TPU93, Laywood, Laybrick, PP, Bendlay, Nylon, PETG Slicer Software: Ultimaker Cura


Theory

Theory of FDM Printing

Fdm.gif

x350 Pro Procedures

Primary Use

Operating Principle

Safety Procedures

The primary safety concerns with the x350 Pro 3D Printers are the heated nozzles and, by extension, the hot filament that the nozzles extrude. Long pants, close-toed shoes, and safety glasses should be worn at all times while operating the x350 Pro. Care should be taken to avoid touching the nozzles and heated filament by hand; users should always use tweezers when handling heated filament.

General Procedure

This is the SOP

Troubleshooting

Several problems can arise while operating the x350 Pro 3D printer.

Print Adhesion

Issues involving print adhesion typically arise within the first few minutes of printing. Printed filament will remove itself from the print bed, resulting in the printer's inability to continue placing lines. The x350 Pro's bed is lined with a single layer of green PET tape to help with adhesion. This should only be changed if the tape layer becomes damaged or worn out.

  1. The first step when experiencing an adhesion issue is to stop the print
    • To Abort the print, remove the SD card
    • After stopping the print, rehome the printer by pressing the selection wheel, scrolling to "Quick Settings", and pressing "Home All"
    • Once the printer has cooled to a safe temperature, remove the previously extruded filament with a scraper or tweezers.
  2. Once the print has stopped, the next step is to check your print settings
    • If you are printing with ABS or any other filament that has generally poor layer adhesion, you should include a raft in your print file. Do this by going to "Adhesion" in Cura and selecting adhesion type "Raft"
  3. If you are printing in PLA or any other filament with good layer adhesion, the bed may not be levelled.
    • Prior to levelling the bed, double check that the printer has cooled to safe operating temperatures!
    • To level the bed, first home the printer by pressing the selection wheel, scrolling to "Quick Settings", and pressing "Home All"
    • Then scroll down the "Quick Settings" menu to "Disable Steppers"
    • From here, follow the Bed Levelling Guide

Filament Extrusion

There are two ways we typically see a failure to extrude filament in the x350 Pro. These are Filament Grinding and a Clogged Nozzle. Each of these require different solutions.


Clogged Nozzle

See Also

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