Schneider HSC smart Xp Straight rebuild of a high-speed ophthalmic lens generation spindle


Schneider HSC smart Xp, 3500 RPM, grease lubrication, motorized spindle

This spindle is used in the generation of the surfaces on ophthalmic lenses. It is similar to a lathe spindle in that it turns the workpiece. As is also common with the optical polishing spindles we rebuild, the spindle interior contained a significant amount of the slurry used in the cutting process. When the seals fail to exclude the slurry, the bearings suffer. The contaminant even reached the drawbar inside the spindle shaft, but fortunately the spindle motor was not affected.


After a thorough cleaning of all components, we rebuilt the spindle with all new bearings, Belleville springs, seals, o-rings and stainless steel assembly screws. We finished this rebuild with our final test run, break-in, trim balance and final QC.


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