For: Spindle types HSD AT/MT 1073-140, AT/MT 1055-055, AT/MT 1055-090, AT/MT 1073-070, AT/MT 1090-100, AT/MT 1120-170 spindles. Contact us for new manual collet and nut spindles or automatic tool change spindles as well.
Below is a recent summary of a HSD AT/MT 1073-140 spindle repair completed for one of our customers.
- 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 this housing.
- The lower bearing housing inner diameter meets design specifications and shows no appreciable wear. No modification is required.
- The taper runout is acceptable.
- Our proposal provides no repair to the spindle taper.
- 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.