Calibrating your FDM 3D printer – Flow rate

Flow rate

flowrate

Calibrating the flow rate involves a two-step process.

Steps

  1. Select the printer, filament, and process you would like to use for the test.
  2. Select Pass 1 in the Calibration menu
  3. A new project consisting of nine blocks will be created, each with a different flow rate modifier. Slice and print the project.
  4. Examine the blocks and determine which one has the smoothest top surface. flowrate-pass1_resize 0-5
  5. Update the flow ratio in the filament settings using the following equation: FlowRatio_old*(100 + modifier)/100. If your previous flow ratio was 0.98 and you selected the block with a flow rate modifier of +5, the new value should be calculated as follows: 0.98x(100+5)/100 = 1.029.** Remember** to save the filament profile.
  6. Perform the Pass 2 calibration. This process is similar to Pass 1, but a new project with ten blocks will be generated. The flow rate modifiers for this project will range from -9 to 0.
  7. Repeat steps 4 and 5. In this case, if your previous flow ratio was 1.029 and you selected the block with a flow rate modifier of -6, the new value should be calculated as follows: 1.029x(100-6)/100 = 0.96726. ** Remember ** to save the filament profile.
  8. pass2 -6
  9. image

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