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PSI sets the industry standard for spindle evaluation and repair procedures. Their comprehensive evaluation begins with the tear down, cleaning and inspection of every spindle assembly that comes into their facility. They then measure all I.D. bores and shaft bearing areas for wear and concentricity, and they check quill, pulley and drive areas for wear and run out. They follow with a written evaluation and quotation before any repairs are performed.

Upon your approval, PSI resizes all bearing areas as needed to ABEC-7 bearing tolerances or better. Their extensive use of precision Barden bearings brings their actual tolerances to an ABEC-9 level, and they further enhance performance through the use of lighter weight, ultra-precision ceramic bearings where appropriate.

PSI repairs quill areas, precision balance rotating parts to ISO spec. GO. 4. and reassemble the spindle. Each spindle is then tested and monitored on an isolated test stand for a specified run-in period. Your spindle assembly can be tested at either maximum RPM or its usual running speed, and is monitored and measured for displacement, velocity, acceleration and spike energy with their IRD 880 vibration analyzer.

An exceptionally high level of experience, top-of-the-line equipment, ongoing educational programs for technicians, and superior quality have established PSI as the recognized leader in both aerospace and industrial spindle repairs.

For more information on the Spindle repair capabilities at PSI Repair Services, refer to the Spindle Repair Line Sheet or visit our online store.