Haas VF-4SS sn 31513 1700 RPM spindle drive motor repair

Haas VF-4SS sn 31513 1700 RPM spindle drive motor repair

Haas VF-4SS sn 31513 1700 RPM spindle drive motor repair

Haas VF-4SS sn 31513 1700 RPM spindle drive motor repair

Haas VF-4SS sn 31513 1700 RPM spindle drive motor repair

DR7001713 Lower bearing
DR7000214 Upper bearing
DR7000039 Bearing Cartridge Repair
DR7000087 Dynamic Balance Rotating Part
DR7000041 Spindle Repair Labor And Assy

Inspection Results:

  • The spindle journal diameters show no appreciable wear and are acceptable for proper bearing fits.
  • The upper bearing housing inner diameter is larger than design specifications and shows some wear. We recommend boring and bushing the upper housing.
  • The lower bearing housing inner diameter meets design specifications and shows no appreciable wear. No modification is required.
  • The upper and lower bearings show some wear on the inner and outer diameters.
  • The stator passed the phase and insulation tests.
  • The unit will be assembled and tested.