Brushless Servo

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  This wiki page is part of our AxiDraw documentation

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A brushless pen-lift servo upgrade is available for most AxiDraw V3 and AxiDraw SE series pen plotters. It offers a greater durability, speed, and lifting strength versus both the standard (Tower Pro SG-90) pen-lift servo motor and the coreless servo upgrade option. It also includes a spring kit, providing the option for applying downforce with pens.

Purchase the upgrade for a compatible AxiDraw[edit]

The upgrade kits are available for purchase At Bantam Tools.

  • If your AxiDraw has a silver-colored pen-lift servo mount, purchase the version that includes the servo mount.
Prior to purchase, check the information on that page to confirm compatibility with your AxiDraw.
  • If your AxiDraw has a black-colored pen-lift servo mount, you can purchase the version without the servo mount.
Again; prior to purchase, check the information on that page to confirm compatibility with your AxiDraw.

Upgrade instructions[edit]

Installation instructions are available here (16 MB PDF file).

These instructions include:

  • Full installation instructions for the upgrade
  • Usage instructions for the brushless servo upgrade
  • An appendix with instructions for replacing the rolling wheel on the lift arm and calibrating the lift arm position.
  • An appendix with use instructions for the spring kit.

Spring kit[edit]

The brushless upgrade includes a spring kit, which gives the option to provide downward force when writing. Instructions for using the spring are available here.