Applies to: E3

Exchanging the spindle

Watch the video

YouTube video – When viewing this video, personal data is sent to YouTube, LLC, USA. Privacy statement

The spindle (marked orange) is located behind the service cover.

 

  1. Have ready:

    • 1 x Spare spindle SFE 300M

       

    • 1 x Torque screwdriver 1.5 Nm with TX10 bit

       

    • 1 x Clamping wrench ER 8

    • 1 x Open-end wrench 8 mm

  2. Remove the tool from the collet chuck.

    Removing tools from the collet chuck

  3. Close the working chamber door.

  4. Move the axes into the default position by selecting the depicted icon in the Machining view in DentalCNC.

  5. Switch off the machine at the main power switch.

     

  6. Disconnect the machine from all cables.

  7. Remove the service cover,

    Disassembling and assembling the machine housing

  8. Loosen the fixing screw with the torque screwdriver. Do not unscrew the screw completely.

  9. Pull the spindle upward out of the spindle holder.

    10.  

     

  10. Loosen the spindle cable by turning the knurled nut counterclockwise by hand and remove the cable.

     

  11. Pick up the spare spindle and plug the spindle cable into the connector on the spindle.

  12. Tighten the spindle cable by manually turning the knurled nut clockwise.

    13.  

  13. Insert the spindle from above into the spindle holder until the spindle rests on the stop (marked orange). Turn the spindle such that the spindle cable (marked blue) rests on the holder (marked orange).

    14.  

     

  14. Tighten the screw to fix the spindle in place using the torque screwdriver.

    15.  

  15. Fully assemble the machine housing.

    Disassembling and assembling the machine housing

  16. Connect the machine.

  17. Switch on the machine at the main power switch.

  18. Start DentalCNC.

  19. Open the Maintenance section window with the following icon in the main icon bar: 

  20. Select the following icon of the entries Exchange spindle and Exchange spindle collet chuck: 

  21. Mill a test specimen and calibrate the machine as necessary.

    Calibrating the machine with calibration specimens

  22. Contact customer service and have the spindle operating hours reset.

    This can be important for deciding warranty claims.