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What is the difference between direct drive and Bowden?
In a direct drive system, the extruder is mounted on the printhead and so pushes the filament directly into the hot end. Meanwhile, a Bowden system usually has the extruder mounted on the frame of the printer. As such, the filament travels through a PTFE tube to reach the hot end.
What does it mean for a printer to have a Bowden configuration?
Bowden Configuration Specifically, the separation between the extruder and hot end assemblies enables a Bowden system to offload the mass of the extruder onto the fixed frame of the 3D printer. This is important because constant acceleration and deceleration cause backlash on the gantry.
How do you straighten a Bowden tube?
I just plugged the ends of tube and soaked it in real warm water for 5 minutes then stretched it out on a table. That helped then the hard part I spooling it up against the arch and soaked it again. This seem to work the best.
What is Titan direct drive?
The E3D Titan is an amazing lightweight extruder made with injection molded parts for maximum performance. Best of all, it’s universal! The Titan is compatible with both 1.75mm and 3.00mm filament, and easily swaps between the two if needed.
What advantage does a Bowden extrusion system have over direct drive?
The largest advantage is the reduced weight of the print head. Since the extruder is removed from the print head, there is less weight on the print carriage. Also, because the print head is lighter, a printer using a Bowden extruder can print faster, more accurately, and more precisely.
What is the difference between direct and Bowden extruders?
The position of the direct extruder right above the hot end means that the distance between extruder and hot end is kept at a minimum. Bowden extruders have a drastically different design. In a 3D printer with a Bowden extruder, the extruder assembly is located away from the hot end and is usually attached to the body of the printer itself.
What causes banding on a bowden extruder?
Additional weight means your extruder and hotend may resist changes in direction which can cause an effect called banding where some layers bulge outwards. This is where Bowden extruders come in. Bowden extruders have the motor mounted away from your hotend usually attached to the frame of the printer.
How are direct drive extruders attached to the hot end?
Direct Drive extruders, as the name suggests, are attached to the hot end directly and are a part of the hot end. Since Direct Drive extruders are mounted above the hot end with little space between them, a Direct Drive extruder keeps the distance that 3D printer filament travels from the extruder to the hot end to a minimum.