3D printer download speed: What does this mean? In this article, we explore the speed of retracting material in the 3D printer, why retraction is used, and how the retraction settings are changed to produce the perfect print. What is retraction?

Retrieval speed of The 3D printer is one of the three basic retraction settings. It determines the speed at which the extruder retracts the thread. Before we discuss it further, however, we must first look at the retraction distance. Finally, we will talk about the minimum travel distance.

Retrieval distance

The retraction distance of the 3D printer determines the length of the filament that must be retracted from the extruder motor. The longer this distance, the farther the thread is pulled from the nozzle. If this distance is set too low, the filament will still be able to leak out of the nozzle. If it is too high, the thread will be pulled back too far.

Setting too large a retraction distance is a problem, as the thread may take a long time to start extruding again. This can also cause blockages.

As a rule, do not choose a retraction distance greater than the length of your nozzle. Many printers use a retraction distance of between 2 and 7 mm. Adjust this setting in 1 mm increments until you find the ideal distance.

Retraction speed

The retraction speed of the 3D printer is the speed at which the extruder retracts the thread. If it is too slow, the filament will have time to drain from the nozzle to create hair and spots. If it is too fast, there will be a delay before the material starts to extrude again.

Normally, the default retraction speed of your slicer works well. If not, change this setting in 5 mm / s increments until the appropriate speed is reached.

Minimum travel distance

The minimum travel distance determines the minimum distance required for collection. For example, if set to 2 mm, the extruder will not retract the thread if the print head has traveled only 1.2 mm.

If you are struggling with strings spanning short distances, you need to reduce that distance. Start with a minimum travel distance of 1 mm and adjust it in 0.5 mm increments until you find the ideal distance.

Make sure you do not set this value too low. In this way, the extruder can grind the thread by excessive pushing and pulling.

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