Advantages of grinding spindle tapers in-place ADVANTAGES OF GRINDING SPINDLE TAPER SEATS IN-PLACE NEW SPINDLE TOLERANCES HELD MOST ACCURATE METHOD OF GRINDING SEATS MACHINE... ALIGNMENTS UNAFFECTED MACHINE DOWNTIME OF A FEW HOURS COMPARED TO OTHER METHODS THAT MAY TAKE DAYS OR WEEKS MOST COST EFFECTIVE METHOD OF REGRINDING TAPER SEAT ...

BLENDS Renewing the spindle taper seat tolerances, by regrinding in place, insures a ridged connection between tool and spindle, eliminating chatter and rock caused by poor tool...Characteristics of properly ground spindle taper seats CHARACTERISTICS OF PROPERLY GROUND SPINDLE TAPER SEATS: GREATER PRECISION & TRUER BORING Grinding the spindle taper seat..., in place, while the spindle is running in its own bearings, will true up any error in concentricity. Even new spindles can achieve better concentricity by grinding after assembly...

Inspecting the spindle taper seat INSPECTING THE SPINDLE TAPER SEAT Inspection of the spindle taper seat requires the proper tools and gages. Some of the inspection procedures... are best done by someone who routinely does them, such as contact testing. Gunn Machine & Tool Co. will thoroughly inspect the spindle on-site. However, you can get a good idea... damage present? Fretting is often mistaken for rust or corrosion. It occurs when the toolholder and the spindle microslip relative to each other. It is generally caused...