Speed settings, Cura in Spanish.

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Print speed

This setting defines the speed at which the model will be printed in mm/s.

With a high speed, printing times will be shorter. It is possible that when increasing the speed you will also need to increase the temperature, to ensure that the filament is extruded correctly.

If you are just starting out, try not to print at high speeds as you may run into issues with layer shifting.

Recommendation: Set a speed between 50 and 60mm/s for most of your prints.

• fill speed: This value will indicate the speed at which the fill material has to be printed. 

A higher speed can be used for filling and can reduce printing times. Just keep in mind that excessive speed can cause problems, or even affect the hardness of the printed model.

• Outer Wall Speed:  Speeds at which exterior walls are printed. 

Printing the exterior wall a little slower generally results in a better finish.

• Inner Wall Speed:  Speeds at which all interior walls are printed.

Printing the inner walls faster than the outer walls reduces print times. Setting this value between the outer wall speed and the infill speed can be helpful.

• Upper / lower speed: Speeds at which the top and bottom layers will be printed. A lower speed increases the quality of the seal on the top layers.

•  Lining top surface speed : Speeds at which the top surface layers of the liner are printed.

• Support Fill Rate:  This corresponds to the speed at which the support will be printed. The quality of the support does not matter much, so the speed can be increased slightly at this point.

• Support interface speed:  Speed at which the roofs and floors of the support are printed. Since they have to adhere to the model, it is recommended to print at a slower speed.

Recommendation: When choosing a general print speed, Cura will automatically put in values for the inner and outer walls. You can use these presets as a starting point and experiment along the way.

Velocity of displacement

It is the speed at which the nozzle moves from one point to another, when it is not printing walls or infills. 

Traveling at high speeds decreases the chance of filament oozing out of the nozzle, resulting in a cleaner object. 

Too high a travel speed can cause the nozzle to collide with a printed part, which can cause damage from the hot nozzle. This can be prevented by using the Z-hop function.

Recommendation: The default scroll speed for all Cura profiles is 150.0 mm/s

Initial layer speed

This setting is used to specify the speed of the first layer. 

This is one of the most important parameters of the entire print, since a speed that is too high can harm the adhesion of the first layer, causing your model to detach from the hot bed.

One of the most common problems is the lack of adhesion of the filament to the hot bed, a problem that is also reflected in the detachment of the models in the middle of the printing.

One of the ways to ensure the adhesion of the filament to the hot bed (among many others), is to use a VERY low speed for the first layer.

Using very low speeds to print the first layer is one of the first steps to ensure the success of your future prints.

Recommendation: Use a speed of 20.0 mm/s to print the first layer

Skirt/edge speed

The speed at which the skirt or edges are printed is just as important as the speed at which the initial layer is printed. Especially if it is the edges, which will help with the adhesion of the filament to the heated bed.

Although the Skirt is not part of the print itself, it serves a very important function (besides extruding missing filament by dripping) and that is to let you know the following:

• If the Skirt lines don't stick to the bed, neither will the first layer of your print.
• If the skirt lines are not sticking together, it means your heated bed is not level.

Just like the skirt, the edges are very important as they will help prevent warping or lifting problems at the corners. These lines will also receive the same importance as those of the first layer.

• If when printing the edges the lines do not stick to each other, it means that your bed is not leveled.
• If your edge lines don't stick to the bed, neither will the first layer of your print.

See more about: “Skirt Border or Raft Which to use in Cura?“

Recommendation: For Skirt and Edges use the same speed as the first layer: 20.0 mm/s

Number of slower layers

This setting defines the number of layers to be printed slower. The speed will be applied to the number of layers you specify.

A high number means printing multiple layers at a slow speed. This can reduce the chance of warping, but can increase printing times considerably.

For example, the number of slower layers is set to 4, which means that after the fourth layer the normal print speed will be used.

Match filament flow

This setting allows fine lines to be printed faster than normal lines, so that the amount of material oozed per second does not vary.

Thin parts of the model may need to be printed with a smaller line width than defined in the settings. This setting controls the speed changes for such lines.

Activate acceleration control

Acceleration is a very important part of printing. It reduces the set speeds and makes it a bit slower, but more accurate. 

Disable the setting for maximum acceleration.

Activate boost control

Determines the speed of the print head before it comes to a hard stop. The print head must come to a complete stop at certain points.

The jerk setting reduces the set speeds and makes printing a little slower, but more accurate. 

Turn the setting off for maximum boost.

I invite you to read: the best Cura setups for beginnerseitherHow to calibrate the flow to obtain more accurate prints.

If you have any idea or contribution you can leave it in the comments.