Compensating with horizontal expansion - BCN3D Stratos

 
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configuring horizontal expansion

 

Due to the deformation of certain materials when being printed, the design dimensions may not belong to those of the printed model. In order to compensate for this variation, we can adjust the horizontal expansion parameters.

 

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Table of Contents:

Parameters and functioning
Adjust  correctly the horizontal expansion

 


Parameters and functioning

horizontal expansion

Horizontal Expansion: Modifies the size of the piece in the direction of the XY plane. A positive value will increase the width, while a negative value will decrease it.

 

initial layer horizontal expansion

Horizontal expansion of the first layer: It works the same as horizontal expansion. however, it only applies to the layer that is in contact with the printing surface.
example of printed piece with horizontal expansion
With this parameter, it is possible to eliminate the "elephant foot" effect, which consists of an excess of material in the first layer. To do this, the offset must negative and a common value would be half the diameter of the hotend. 

 

hole-horizontal-expansion-button

Horizontal expansion for holes: It works the same as horizontal expansion, however, it only applies to closed holes in the plane parallel to the layers.

 

Unlike the scale option in BCN3D Stratos, horizontal expansion is intended to fine-tune the dimensions of the model in the XY plane.  

 


Adjust correctly the horizontal expansion

correctly adjusting the horizontal expansion

 

Before using this group of parameters, there are many important points to keep in mind in order to have the desired measurements in the piece: 

  • If the error is not constant, visit the following article, where you will  find how to adjust the printer: Dimensional accuracy tips
  • To measure the piece correctly, avoid letting the measuring tool touch the first layer. In this way, we will prevent elephant foot.
  • With all the measurements made, find the middle value of the error. This will be the value that you will have to put for the horizontal expansion, including its sign.

 
 

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Need more tips? Check out our forum community for help.

 

It's important to keep your printer in good shape to make the most out of it. In this chart, you can find a list of the extruder maintenance procedures and how frequently these should be done. 

Maintenance Plan (Epsilon Series)

Maintenance Plan (Sigma Series)

Maintenance Plan (BCN3D Sigmax)

Maintenance Plan (BCN3D Sigma)

 

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