Zaxis NEMA23

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Z Axis NEMA 23 Upgrade Kit Instructions

NOTE: This kit only works with the Acme Kit upgrade! This will not work with the standard M8 threaded rod.

Contents of the The NEMA 23 Upgrade Kit

NEMA 23 Mounting
  • 1 x NEMA 23 Motor Mount Plate
  • 2 x M5 x 12mm Socket Head Cap Screws
  • 4 x M5 Aluminum Spacers
  • 4 x M5 x 50mm Socket Head Cap Screws
  • 1 x Z-Axis Shim
  • 1 x 8mm x 6.35mm Flexible Coupler
  • 2 x M5 Flat Washers
  • 4 x M5 Hex

NOTE: When using the ACME lead screw upgrade, the lead screw will need to be trimmed by 10 mm at the top to accommodate the difference in mounting height and length of the stepper motor shaft.

NEMA 23 Assembly Instructions

  1. Insert the flexible coupler onto the stepper motor shaft. You will not be able to install the coupler once you mount the motor to the plate
  2. Place 1 M5 washer on each of the included M5x50 SHCS
  3. Place 1 of the screws through one of the bearing plate corner mounting holes
  4. Slide one of the M5 aluminum spacers over the end of the screw
  5. Insert one of the stepper motor mounting holes over the screw and add an M5 hex nut to hold it in place. Do not tighten completely at this point
  6. Repeat the previous step until all 4 motor mounts are installed
  7. Tighten all 4 mounting screws to complete the stepper motor installation
  8. Install the bearing plate and motor assembly as outlined in the ACME installation instructions above
  9. Slide the flexible coupler down over the lead screw and tighten the grub screw on both the motor shaft and lead screw. Tighten the clamp screws on the coupler to complete the installation

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