Applies to: N4+

Cleaning the machine

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Cleaning the working chamber includes the following components:

  • Measuring key
  • Blank holder
  • View window
  • Webcam
  • Tool magazines
  • Tool magazine holder
  • Nozzle plate
  • Sealing lip

These components have different maintenance intervals according to the maintenance table. Therefore, depending on the components that need to be cleaned, perform daily or weekly cleaning of the working chamber.

  • When performing the weekly cleaning, also perform the daily cleaning.
NOTICE

Damaging of the linear guides or the spindle when cleaning with compressed air

If you clean the working chamber with compressed air, material chips can reach the linear guides or the spindle bearings.

  • Never clean the working chamber with compressed air.

Performing the daily cleaning

  1. Have ready:
    • A wet cloth
    • A mild cleaning agent (optional)
    • A suction unit
  2. Close the working chamber door.
  3. Move the axes into the cleaning position by selecting the depicted icon in the Machining view in DentalCNC.
  4. Open the working chamber door.
  5. Thoroughly clean all surfaces and gaps in the working chamber with the damp cloth. Use a mild cleaning agent if necessary.
  6. Suction any machining residue off of the measuring sensor from a distance of 3 cm.

    7.  

  7. Clean all sides of the blank holder with a brush. Especially clean all openings and movable parts of the blank holder.

  8. Wipe the nozzle plate with a damp cloth.

     

  9. If necessary, clean the view window with a wet cloth. Use a mild cleaning agent if necessary.
  10. Close the working chamber door.
  11. Move the axes into the default position by selecting the depicted icon in the Machining view in DentalCNC.

  12. During daily cleaning, take care not to remove the grease from the working chamber door seal and the door frame.

Performing the weekly cleaning

  1. Have ready: A cleaning brush for the tool magazine.
  2. Close the working chamber door.
  3. Move the axes into the cleaning position by selecting the depicted icon in the Machining view in DentalCNC.
  4. Open the working chamber door.

  5. Remove grease and machining residues from the working chamber door seal and the working chamber opening with a paper towel.

     

  6. Remove the tool magazine from the working chamber. Clean it with the cloth and the brush.
  7. Clean the tool magazine holder thoroughly.
  8. Apply a bit of collet chuck grease (marked orange) to the bolts of the tool magazine holder.

    9.  

  9. Plug the tool magazine onto the holder.
  10. Screw the protective cap (marked blue) off the webcam and clean the inside of the cap with a dry cloth.

    11.  

  11. Clean the webcam with a damp cloth.
  12. Screw on the protective cap.

  13. Grease the working chamber door seal approx. 1 mm thick with white, mineral oil-based grease.

     

  14. Close the working chamber door.
  15. Move the axes into the default position by selecting the depicted icon in the Machining view in DentalCNC.